1. Synthesis, Structure and Magnetic Properties of a new one-dimensional iron phosphite, [FeIII(1,10-phenanthroline)(HPO3)(H2PO3)], S. Mandal, M.A. Green and S. Natarajan, Curr. Sci., (2005), 89, 1899 – 1903.

  2. Hydrothermal synthesis and structures of two zero-dimensional zinc phosphate polymorphs, S. Natarajan, Solid State Sci., 2005, 7, 1542 – 1548.

  3. A Porous Sheet 4f-3d Mixed-Metal Pyridine Dicarboxylate: Synthesis, Structure, Photophysical Properties and its Transformation to a Perovskite Oxide, P. Mahata, G. Sankar, M. Giridhar and S. Natarajan, Chem. Commun., 2005, 5787 – 5789.

  4. New Luminescent Lanthanide Benzene dicarboxylates: Synthesis, Structure and Properties, A. Thirumurugan and S. Natarajan, J. Mater. Chem., 2005, 15, 4588 – 4594.

  5. Inorganic – Organic Hybrid Structure: Synthesis, Structure and Magnetic properties of a Cobalt Phosphite-Oxalate, [C4N2H12][Co4(HPO3)2(C2O4)3], S. Mandal, M.A. Green and S. Natarajan, J. Solid State Chem., 2005, 178, 2376 – 2382.

  6. Synthesis, Structure and Properties of a New Layered Gadolinium Benzenedicarboxylate with Piperazine, S. Natarajan and A. Thirumurugan, Inorg. Chim. Acta., 2005, 358, 4051 – 4056.

  7. Chain Structures in Alkali Metal Borophosphates: Synthesis and Characterization of K3[BP3O9(OH)3] and Rb3[B2P3O11(OH)2], B. Ewald, Yu. Prots, P. Menezes, S. Natarajan, H. Zhang and R. Kniep, Inorg. Chem., 2005, 44, 6431 – 6438.

  8. Crystal structure of 1,2-ethylenediamine-dizincdiphosphite(III), Zn2(C2H8N2)(HPO3)2, S. Natarajan, Yu. Prots, R. Niewa and R. Kniep, Z. Kristallogr. NCS, 2005, 220, 455 – 456. 

  9. Assembly of Pentamolybdobisphosphate anion, [P2Mo5O23]6-, in the Presence of Organic Amine Molecules, S.V. Ganesan and S. Natarajan, J. Chem. Sci., 2005, 117, 219 – 226.

  10. [C10N2H10][ZnCl(HPO4)]2: A New Templated Zincophosphate containing Tetrahedral Nets with 63-Topology, S. Natarajan, B. Ewald, Yu.Prots and R. Kniep, Z. Annog. Alleg. Chem., 2005, 631, 1622 – 1626.

  11. Pyridne and Imidazole Dicarboxylates of Zinc: Hydrothermal Synthesis, Structure and Properties, P.Mahata and S. Natarajan, Eur. J. Inorg. Chem., 2005, 2156 – 2163.

  12. Inorganic-Organic Hybrid compounds:  Synthesis, Structure and Magnetic properties of the First Organically Templated Iron Oxalate-Phosphite, [C4N2H12][Fe(HPO3)2(C2O4)3], Possessing Infinite Fe – O – Fe chains, S. Mandal, S.K. Pati, M.A. Green and S. Natarajan, Chem. Mater., 2005, 17, 2912 – 2917.

  13. The First One-dimensional Iron Phosphite-Phosphate, [FeIII(2,2’-bipyridine)(HPO3)(H2PO4)]: Synthesis, Structure and Magnetic Properties, S. Mandal, S.K. Pati, M.A. Green and S.Natarajan, Chem. Mater., 2005, 17, 638 – 643.

  14. Magnetic Studies on a New Low-dimensional Antiferromagnetic Iron Phosphate, S.K. Mandal, M.A. Green, S. Natarajan and S.K. Pati, J. Phys. Chem. B., 2004, 108, 20351 – 20354.

  15. Crystal structure of bis(ethylenediammonium) discandium(III)hexafluoride bis(hydrogenphosphate), (C2N2H10)2Sc2F6(HPO4)2, B. Ewald, S.Natarajan, Yu. Prots and R. Kniep, Z. Kristallogr. NCS., 2004, 219, 335 – 336.

  16. Infinite Anti-ferromagnetic Chains in the crystal structure of (1,10-Phenanthroline)FeIII[(HPO4)(H2PO4)]-Hydrate, S.Natarajan, W. Schenelle, B. Ewald, H. Zhang and R. Kniep, Z. Annog. Alleg. Chem., 2004, 630, 1747.

  17. Synthesis, Structure and Luminescent Properties of Yttrium benzene dicarboxylates with One- and Three-dimensional Structure, A. Thirumurugan and S. Natarajan, Dalton Trans., 2004, 2923 – 2928.

  18. Synthesis, Structure and Magnetic Characterization of a ‘Two-legged’ Frustrated Ladder Iron arsenate, [NH3(CH2)2NH(CH2)2NH3][Fe2F4(HAsO4)2], S. Chakrabarti, M.A. Green, S.K. Pati and S. Natarajan, Eur.J. Inorg. Chem., 2004, 3846 – 3851.

  19. A zinc pyromellitate, [(C4N2H12)0.5(NH2(CH3)2][Zn(C10H2O8)].1.78H2O, with a layer structure, S.V. Ganesan, P. Lightfoot and S. Natarajan, Solid State Sci., 2004, 6, 757 – 762.   

  20. Yttrium coordination polymers with layered structures, A. Thirumurugan and S. Natarajan, Solid State Sci., 2004, 6, 599 – 604.

  21. Solvothermal synthesis of an open-framework zinc chlorophosphate, [C8N4H26][Zn3Cl(HPO4)3(PO4)], with a layer structure, S. Mandal, G. Kavitha, C. Narayana and S. Natarajan, J. Solid State Chem., 2004, 177, 2198 – 2204.

  22. Synthesis and structure of a heteropolyanion, [C10N2H10]2[P2Mo5O21(OH)2].2H2O, S. Natarajan, B. Ewald, Y. Prots and R. Kniep, Z. Anorg. Allege. Chem., 2004, 630, 678 – 682.

  23. A lanthanum pyromellitate coordination polymer with three-dimensional structure, S.V. Ganesan and S. Natarajan, J. Chem. Sci., 2004, 116, 65 – 69.

  24. A Gadolinium diphenate coordination polymer, 1µ[Gd2(H2O)2(C14H8O4)3], with one-dimensional structure, A. Thirumurugan, S.K. Pati, M.A. Green and S. Natarajan, Z. Anorg. Allege. Chem., 2004, 630, 579 – 584.

  25. A chiral mixed carboxylate, [Nd4(H2O)2(OOC(CH2)3COO)4(C2O4)2], exhibiting NLO properties, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, J. Solid State Chem., 2004, 177, 1444 – 1448.

  26. Solvothermal synthesis and structure of one- and two-dimensional zinc phosphates, S. Mandal and S. Natarajan, Inorg. Chimica Acta, 2004, 357, 1437 – 1443.

  27. Synthesis of Open-Framework Iron Phosphates, [C5N2H14]2[FeIII2F2(HPO4)4].2H2O and [C5N2H14][FeIII4(H2O)4F2(PO4)4], with One- and Three-dimensional Structures, S. Mandal, M.A. Green and S. Natarajan, J. Solid State Chem., 2004, 177, 1117-1126.

  28. Synthesis and Structures of New Pyromellitate Coordination Polymers with Piperazine as a Ligand, S.V. Ganesan and S. Natarajan, Inorg. Chem., 2004, 43, 189-205.

  29. Inorganic – Organic Hybrid Compounds: Synthesis and Structures of New Metal Organic Polymers Synthesized in the Presence of Mixed Dicarboxylates, A. Thirumurugan and S. Natarajan, Eur. J. Inorg. Chem., 2004, 762 – 770.

  30. Terephthalate bridged frameworks of Nd and Sm phthalates, A. Thirumurugan and S. Natarajan, Inorg. Chem. Commun., 2004, 7, 395-399.

  31. Synthesis and Structure of a Three-dimensional Organically Templated Zinc Ethylenediphosphonate, [NH3(CH2)2NH3][Zn3{O3P(CH2)2}4], S. Natarajan, Z. Anorg. Allege. Chem., 2004, 630, 291-295.

  32. Synthesis and structure of a Molecular Zinc Phosphate, [(C12H8N2Zn)2(HPO4)(H2PO4)2]. S.V. Ganesan, A. Thirumurugan and S. Natarajan, Z. Anorg. Allege. Chem., 2003, 629, 2543 – 2548. 

  33. Synthesis and Structure of a ‘Three-legged’ Low-dimensional Iron Phosphate,   [H3N(CH2)3NH2(CH2)2NH2(CH2)3NH3][Fe3F6(HPO4)2(PO4)].3H2O, S. Mandal, S.K. Pati, M.A. Green, S.-L. Wang and S. Natarajan, Z. Anorg. Allege. Chem., 2003, 629, 2549 – 2553.

  34. A two-dimensional yttrium phthalate coordination polymer, [Y4(H2O)2(C8H4O4)6]¥, exhibiting different coordination geometries, A. Thirumurugan and S. Natarajan, Proc. Ind. Acad. Sci. (Chemical Sciences), 2003, 115, 573 – 586.

  35. Observation of a tancoite-like chains in a one-dimensional metal-organic polymer, A. Thirumurugan, S.K. Pati, M.A. Green and S. Natarajan, J. Mater. Chem., 2003, 13, 2937 – 2941.

  36. Synthesis, structure and properties of a new iron arsenate, [C10N4H28][{FeF(OH)(HAsO4)}4], with a layer structure, S. Chakrabarti, S.K. Pati, M.A. Green and S. Natarajan, Eur. J. Inorg. Chem., 2003, 3820 – 3825.

  37. Synthesis of a single four-ring (S4R) molecular zinc phosphate and its assembly to an extended polymeric structure – A single crystal and In-situ MAS-NMR investigation, S. Natarajan, L. Von Wuellen, W. Klein and M. Jansen Inorg. Chem., 2003, 42, 6265 – 6273.

  38. Synthesis and structure of a new three-dimensional indium phosphate with 16-membered one-dimensional channels, A. Thirumurugan and S. Natarajan, Dalton Trans., 2003, 3387 – 3391.

  39. Solution mediated synthesis and structure of the first anionic bis(hexaborate)zincate prepared in the presence of an organic amine, S. Natarajan, W. Klein,M. Panthöfer, L. van Wüllen and M. Jansen, Z. Anorg. Allege. Chem. (Note), 2003, 629, 959 – 962.

  40. Hydrothermal synthesis and crystal structure of a two-dimensional zinc vanadate, [(NH3(CH2)3NH)Zn]23+[V4O13]6-, S. Natarajan, Inorg. Chim. Acta (Note), 2003, 348, 233 – 236.

  41. Synthesis, Structure and Magnetic Characterization of a One-Dimensional Iron Phosphate, [NH3CH2CH2CH(NH3)CH2CH3]2+µ1[FeF(HPO4)2]2-, S. Mandal, S. Natarajan, W. Klein, M. Panthofer and M. Jansen, J. Solid State Chem., 2003, 173, 367 – 373.

  42. Solvothermal synthesis of a layered open-framework cadmium chloro-oxalate, Cd2(C2O4)0.5Cl3.NaCl.4H2O, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, Eur. J. Inorg. Chem., 2003, 1675 – 1680.

  43. Aliphatic dicarboxylates with three-dimensional metal-organic frameworks possessing hydrophobic channels, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, Dalton Trans., 2003, 1459 – 1464.

  44. Hydrothermal synthesis of an open-framework manganese oxalate incorporating KCl chains, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, Mater. Res. Bull., 2003, 38, 477 – 483.

  45. Synthesis and structure of a one-dimensional aluminum phosphate, [NH3(CH2)2NH2(CH2)3NH3]3+[Al(PO4)2]3-, S. Natarajan, W. Klein, J. Nuss, L. van Wüllen and M. Jansen, Z. Anorg. Allege. Chem., 2003, 629, 339 – 343.

  46. Open-framework cadmium succinates with interpenetrating frameworks formed by tetrahedral [ClCd4O24] and [BrCd4O24] clusters, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, Crystal Growth & Design, 2003, 3, 47 – 51.

  47.  Synthesis and structure of a zinc oxalate with honeycomb layers and zinc phosphates with one- and three-dimensional structures, S. Natarajan, Solid State Sci., 2002, 4, 1331 – 1342.

  48. Hydro/Solvothermal synthesis and structures of open-framework zinc phosphates with varying dimensionality, S. Natarajan, Inorg. Chem., 2002, 41, 5530 – 5537.

  49. Solution Mediated Synthesis and Structure of a Three-dimensional Zinc Arsenate, [NH3(CH2)3NH2(CH2)2NH3][Zn4(AsO4)3(HAsO4)].H2O, with Intersecting Helical Channels, S. Chakrabarti and S. Natarajan, J. Chem. Soc., Dalton Trans., 2002, 3874 – 3878.

  50. Open-framework Cadmium Succinates of different dimensionalities, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, Inorg. Chem., 2002, 41, 5226 – 5234.

  51. Open-framework rubidium halides incorporated in cadmium oxalate host lattices, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, J. Solid State Chem., 2002, 167, 274 – 281.

  52. A possible intermediate in the synthesis of zinc arsenates: Synthesis and structure of a zinc arsenate-oxalate, [NH3(CH2)3NH2(CH2)3NH3][Zn3(AsO4)HAsO4)2(C2O4)], and a zinc arsenate, [{NH3(CH2)3NH2(CH2)3NH3}2][Zn6(AsO4)4(HAsO4)3].H2O, with three-dimensional structures, S. Chakrabarti and S. Natarajan, J. Chem. Soc., Dalton Trans., 2002, 4156 – 4161.

  53. Three-dimensional Zinc Phosphates Built up from Two-dimensional Layers Cross-linked by One-dimensional Chains and Ladders, S. Mandal and S. Natarajan, Crystal Growth & Design, 2002, 2, 665 – 673.

  54. Assembling b-octamolybdate Clusters into New Polyoxomolybdates with Unusual Architectures, S. Chakrabarti and S. Natarajan, Crystal Growth & Design (Commun.)., 2002, 2, 333 – 335.

  55. Three-dimensional Open-Framework Neodymium Oxalates with Organic Functional Groups Protruding in 12-Member Channels, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, Inorg. Chem., 2002, 41, 4496 – 4501.

  56. Synthesis and Characterization of a New Ferrimagnetic Mixed-Valent Iron fFuorophosphates, [C6N4H22][FeIIIFe2IIF2(PO4)(HPO4)2]2, with a Layered structure, S. Mandal, S. Natarajan, J.M. Greneche, M. Riou-Cavellec and G. Ferey, Chem. Mater., 2002, 14, 3751 – 3757.

  57. Synthesis of a layered zinc phosphate, [NH3(CH2)2NH2(CH2)3NH3][Zn2(PO4)(HPO4)2].H2O, and its transformation to a extra-large pore three-dimensional zinc phosphate, [NH3(CH2)2NH2(CH2)3NH3][Zn3(PO4)(HPO4)3], S. Natarajan, Chem. Commun., 2002, 780 – 781.

  58. Synthesis of open-framework iron phosphates, [C6N2H14][Fe2F2(HPO4)2(H2PO4)2].2H2O and [C6N2H14]2[Fe3(OH)F3(PO4)(HPO4)2]2.H2O, with one- and three-dimensional structures, S. Mahesh, M.A. Green and S. Natarajan, J. Solid State Chem., 2002, 165, 334 – 344.

  59. Inorganic-Organic Hybrid Solids: Synthesis and Structure of a Zinc Phosphate-Acetate, [C5H10NH2]2[Zn(ZnOOCCH3)(PO4)(HPO4)], S. Natarajan, J. Chem. Soc. Dalton Trans., 2002, 2088 – 2091.

  60. Novel Inorganic Coordination Polymers based on Cadmium Oxalates, P.A. Prasad, S. Neeraj, R. Vaidhyanathan and S. Natarajan, J. Solid State Chem., 2002, 166, 128 – 141.

  61. An Open-framework Zincoborate formed by Zn6B12O24 clusters, A. Choudhury, S. Neeraj, S. Natarajan and C.N.R. Rao, J. Chem. Soc., Dalton Trans., 2002, 1535 – 1538.

  62. A reactive intermediate in the synthesis of Iron-Arsenates: Synthesis of the first one-dimensional iron arsenate-oxalate and its transformation into two- and three-dimensional iron arsenates, S. Chakrabarti and S. Natarajan, Angew. Chem. Int. Ed., 2002, 41, 1224 – 1226.

  63. Hydrothermal synthesis of the fist iron arsenate-oxalate, [C4N2H12]2[Fe4(HasO4)6(C2O4)2], possessing open architecture, S. Chakrabarti, M.A. Green and S. Natarajan, Solid State Sci., 2002, 3, 405 – 412.

  64. Hydrogen bonded structures in organic amine oxalates, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, J. Mol. Structure., 2002, 608, 123 – 133.

  65. Transformations of two-dimensional layered zinc phosphates to three-dimensional and one-dimensional structures, A. Choudhury, S. Neeraj, S. Natarajan and C.N.R. Rao, J. Mater. Chem., 2002, 12, 1044 – 1052.

  66. A Layered Zinc Oxalate Possessing a 12-membered Honeycomb Apertures, Stabilized by an Amine and an Alkali Cation, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, Solid State Sci.,  2002, 4, 633 – 639.

  67. Open-Framework Cadmium Oxalates with Channels Synthesized by Alkali Metals, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, J. Solid State Chem., 2001, 161, 150 – 157.

  68. The First Open-framework Cadmium Phosphate, K4[Cd3(HPO4)4(H2PO4)2], with a Layered Structure, K. Jayaraman, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, J. Solid State Chem., 2001, 162, 188 – 194.

  69. Hybrid Inorganic – Organic Host – Guest Compounds: Open-Framework Cadmium Oxalates Incorporating Novel Extended Structures of Alkali Halides, R. Vaidhynathan, S. Natarajan and C.N.R. Rao, Chem. Mater., 2001, 13, 3524 – 3533.

  70. Open Architectures – Is there a Rationale in their Formation? S. Natarajan, J. Ind. Inst. Sci., 2001, 81, 25 – 36. (Invited article).

  71. Open-framework Zinc Phosphates with Unusual Architectures, S. Neeraj and S. Natarajan, Crystal Growth & Design., 2001, 1, 491 – 499.

  72. The hydrothermal synthesis and structure of an one-dimensional Fe(II)molybdophosphate, Y.-S. Zhou, L.-J. Zhang, X.Z. You and S. Natarajan, Inorg. Chem. Commun., 2001, 4, 699 – 704.

  73. Aufbau Principle of Complex Open-framework Structures of Metal Phosphates with Different Dimensionalities, C.N.R. Rao, S. Natarajan, A. Choudhury, S. Neeraj and A.. A. Ayi, Acc. Chem. Res., 2001, 34, 80-87.

  74. Synthons and Design in metal phosphates and oxalates with open-architectures, C.N.R. Rao, S. Natarajan, A. Choudhury, S. Neeraj and R. Vaidhyanathan, Acta. Crystallogr. Sec. B., 2001, B57, 1-12.

  75. Liner-chain AlPOs obtained by the Reaction of Amine Phosphates with Al3+ ions, A.A. Ayi, A. Choudhury and S. Natarajan, J. Solid State Chem., 2001, 156, 185 – 193.

  76. Cyclic Acetate Dimers with C – H … O hydrogen bonds forming an Open-framework Zinc phosphate-acetate with channels, A.A. Ayi, A. Choudhury, S. Natarajan and C.N.R. Rao, New J. Chem (Letter)., 2001, 213 – 215.

  77. A Layered Zinc Phosphate formed by One-dimensional Tubes, A. Choudhury, S. Natarajan and C.N.R. Rao, J. Solid State Chem., 2001, 157, 110-116.

  78. A Zinc Phosphate-Oxalate with Tubular Phosphate Layers Pillared by the Oxalate Units, S. Neeraj, S. Natarajan and C.N.R. Rao, J. Chem. Soc., Dalton Trans., 2001, 289 – 291.

  79. Three-dimensional Yttrium Oxalates Possessing Large Channels, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, Chem. Mater., 2001, 13, 185 – 191.

  80. One-dimensional Zinc Phosphates with Linear Chain Structure, A.A. Ayi, S. Neeraj, A. Choudhury, S. Natarajan and C.N.R. Rao, J. Phys. Chem. of Solids, 2001, 62, 1481 – 1491.

  81. A Three-dimensional Zeolitic Zinc Phosphate, [C8N5H28][Zn5(PO4)5].H2O, with Thomsonite Structure, S. Neeraj and S. Natarajan, J. Phys. Chem. of Solids, 2001, 62, 1499 – 1505.

  82. Synthesis of a Hierarchy of a Zinc Oxalate Structures from Amine Oxalates, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, J. Chem. Soc. Dalton Trans., 2001, 699 – 708.

  83. Transformations of Low-dimensional Zinc Phosphates to Complex Open-Framework Structures – Part 1: Zero-dimensional to One-, Two- and Three-dimensional Structures, A.A. Ayi, A. Choudhury, S. Natarajan, S. Neeraj and C.N.R. Rao, J. Mater. Chem., 2001, 11, 1181 – 1191.

  84. Inorganic-Organic Hybrid Materials: Synthesis and Structure of a Reduced Ferrous Molybdophosphate, [(C12H8N2)3FeII]2[FeIIMoV12(H2PO4)6(PO4)2(OH)6O24] in the presence of Fe(II)(1,10-phenanthroline)3 complex, Y-S. Zhou, L-J. Zhang, X-Z. You and S. Natarajan, J. Solid State Chem., 2001, 159, 209 – 214.

  85. The First Porous One-dimensional Mixed Valent Iron Molybdophosphate, Y.-S. Zhou, L.-J. Zhang, X.-Z. You and S. Natarajan, Int. J. Inorg. Mater., 2001, 3, 373 – 379.

  86. Transformations of the Low-dimensional Zinc Phosphates to Complex Open-Framework Structures – Part 2: One-dimensional Ladder to Two- and Three-dimensional Structures, A. Choudhury, S. Neeraj, S. Natarajan and C.N.R. Rao, J. Mater. Chem., 2001, 11, 1537 – 1546.

  87. Synthesis and characterization of submicron-sized mesoporous aluminosilicate spheres, G. Gundiah, M. Eswaramoorthy, S. Neeraj, S. Natarajan and C.N.R. Rao, Proc. Indian Acad. Sci. (Chem. Sci.), 2001, 113, 227 – 234.

  88. Direct in-situ observatiion of increasing structural dimensionality during the hydrothermal formation of open-framework zinc phosphates, R.I. Walton, A.J. Norquist, S. Neeraj, S. Natarajan, C.N.R. Rao and D. O’Hare, Chem. Commun., 2001, 1990 – 1991.

  89. Isolation of a Zinc Phosphate Primary Building Unit, [C6N2H18]2+[Zn(HPO4)(H2PO4)2]2-, and its transformation to an Open-Framework Phosphate, [C6N2H18]2+[Zn3(H2O)4(HPO4)4]2-, S. Neeraj, S. Natarajan and C.N.R. Rao, J. Solid State Chem. (letter), 2000, 150, 417-422.

  90. A Hybrid Open-Framework Aluminum Phosphate-Oxalate Possessing Large Circular 12-membered Channels, K. Kedarnath, A. Choudhury and S. Natarajan, J. Solid State Chem., 2000, 150, 324-329.

  91. Hybrid Open-Framework Iron Phosphate-Oxalates Demonstrating a Dual Role of the Oxalate Unit, A. Choudhury, S. Natarajan and C.N.R. Rao, Chem. Eur. J., 2000, 6, 1168-1175.

  92. Three-dimensional Open-Framework CoII and ZnII Phosphates Synthesized via the Amine Phosphate Route, S. Natarajan, S. Neeraj and C.N.R. Rao, Solid State Sciences, 2000, 2, 89-100.

  93. A New Three-dimensional Open-Framework Iron(III) Phosphate, [C2N2H10][Fe2(HPO4)4], A. Choudhury and S. Natarajan, Int. J. Inorg, Mater., 2000, 2, 217-223.

  94. The Direct Synthesis and Characterization of the Pillared Layer Indium Phosphate, Na4[In8(HPO4)14(H2O)6].12H2O,  M.P. Attfield, A.K. Cheetham and S. Natarajan, Mater. Res. Bull., 2000, 35, 1007-1015.

  95. Three-dimensional Open-Framework Cobalt(II) Phosphates by Novel Routes, S. Natarajan, S. Neeraj, A. Choudhury and C.N.R. Rao, Inorg. Chem., 2000, 39, 1426-1433.

  96. Exploration of a Simple Universal Route to the Myriad of Open-Framework Metal Phosphates, C.N.R. Rao, S. Natarajan and S. Neeraj, J. Am. Chem. Soc., 2000, 122, 2810-2817.

  97. Building Open-Framework Metal Phosphates from Amine Phosphates and a Monomeric 4-membered ring Phosphate, C.N.R. Rao, S. Natarajan and S. Neeraj, J. Solid State Chem., 2000, 152, 302-321.

  98. Inorganic Hybrid Open-Framework Structures: Synthesis and Structure of a Cobalt Phosphate-Oxalate, [C4N2H12]0.5[Co2(HPO4)(C2O4)1.5], A. Choudhury and S. Natarajan, Solid State Sciences, 2000, 2, 365 - 372.

  99. A Layered Aluminum Phosphate, [C2N2H10][Al2(OH)2H2O(PO4)2]H2O, by the Amine Phosphate Route, A. Choudhury, S. Natarajan and C.N.R. Rao, Int. J. Inorg. Mater., 2000, 2, 87-94.

  100. Synthesis and Structure of an Open-Framework Chlorophosphate, [C6NH14][ZnCl(HPO4)], S. Neeraj and S. Natarajan, J. Mater. Chem., 2000, 10, 1171-1175.

  101. An Unusual Open-framework Cobalt(II) phosphate with a channel structure exhibiting a structural and a magnetic transition, A. Choudhury, S. Neeraj, S. Natarajan and C.N.R. Rao, Angew. Chem. Int. Ed. 2000, 39, 3091-3093.

  102. One-, Two- and Three-dimensional Zinc Phosphates synthesized in the presence of a Tetramine, A. Choudhury, S. Natarajan and C.N.R. Rao, Inorg. Chem., 2000 39, 4295-4304.

  103. Simple Linear Chain Cobalt Phosphates, A. Choudhury, S. Natarajan and C.N.R. Rao, J. Chem. Soc., Dalton Trans., 2000, 2595-2598.

  104. Synthesis and Structure of the First Open-Framework Cadmium Oxalate Possessing Channels, P.A. Prasad, S. Neeraj, S. Natarajan and C.N.R. Rao, Chem. Commun., 2000, 1251-1252.

  105. Three-dimensional Zinc Phosphates with Open Architectures, S. Neeraj and S. Natarajan, Chem. Mater., 2000, 12, 2753 – 2762..

  106. A Three-dimensional Iron(III) Phosphate, [C2N2H10]2[Fe5F4(PO4)(HPO4)6], A. Choudhury and S. Natarajan, J. Solid State Chem., 2000, 154, 507 – 513.

  107. Layered Cobalt Phosphates by the Amine Phosphate Route, A. Choudhury, S. Natarajan and C.N.R. Rao, J. Solid State Chem., 2000, 155, 62 – 70.

  108. Zn4O4 tetrameric clusters in a Zinc Phosphate with Channels, S. Neeraj, S. Natarajan and C.N.R. Rao, J. Chem. Soc., Dalton Trans. (Commun.), 2000, 2499-2500.

  109. Solution-Mediated Synthesis of a Three-dimensional Zinc Phosphate in the Presence of a Monoamine, A.A. Ayi, A. Choudhury, S. Natarajan and C.N.R. Rao, J. Mater. Chem., 2000, 10, 2606 – 2609.

  110. Fascinating alkali halide structures of different dimensionalities incorporated in host lattices, R. Vaidhyanathan, S. Neeraj, P.A. Prasad, S. Natarajan and C.N.R. Rao, Angew. Chem. Int. Ed., 2000, 39, 3470 – 3473.

  111. In-situ investigations of the Photocatalytic Decomposition of NO on the Ti-HMS under flow and Closed Reaction Systems, J. Zhang, M. Minagawa, T. Ayusawa, S. Natarajan, H. Yamashita, M. Matsuoka and M. Anpo, J. Phys. Chem. B, 2000, 104, 11501 – 11505.

  112. Bhorium – A new element in the period table, S. Natarajan, Resonance, 2000, 5, 95-100 (invited article).

  113. Effect of substitution of Mn3+ by Ni3+ and Co3+ on the charge-ordered states of the rare earth manganates, Ln0.5A0.5MnO3, P.V. Vanitha, R.S. Singh, S. Natarajan and C.N.R. Rao, Solid State Commun., 1999, 109, 135-140.

  114. Open-Framework Zinc Phosphates Synthesized in the Presence of Structure-directing Organic Amines, D. Chidambaram, S. Neeraj, S. Natarajan and C.N.R. Rao, J. Solid State Chem., 1999, 147, 154 – 169.

  115. Three-dimensional Open-Framework Zinc Phosphates with the Structure-Directing Organic Amines Acting as Ligands, S. Neeraj, S. Natarajan and C.N.R. Rao. New J. Chemistry, 1999, 23, 303-308.

  116. A novel Open-Framework Zinc Phosphate With Intersecting Helical Channels, S. Neeraj, S. Natarajan and C.N.R. Rao, Chem. Commun., 1999, 165-166.

  117. A Zinc Phosphate Possessing Ladder-like Layers Made up of 3- and 4-Membered Rings and Infinite Zn – O – Zn chains, S. Neeraj, S. Natarajan and C.N.R. Rao, Chem. Mater., 1999, 11, 1390-1395.

  118. Synthesis and Structural Characterization of a New Layered Aluminophosphate intercalated with Triply protonated Triethylenetetramine [C6H21N4][Al3P4O16], Y.-W. Yao, S. Natarajan, J.-S. Chen and W.-Q. Pang, J. Solid State Chem., 1999, 146, 458-563.

  119. New Open-Framework Layered Tin(II) Phosphates Intercalated with Amines, R. Vaidhyanathan and S. Natarajan, J. Mater. Chem., 1999, 9, 1807-1812.

  120. Synthesis and Structure of a New Open-Framework Tin(II) Phosphate, [C3N2H12][Sn4P3O12]H2O, Possessing One-dimensional Channels, S. Natarajan, J. Solid State Chem., 1999, 148, 50-55.

  121. Layered Tin(II) Oxalates Possessing Large Apertures, S. Natarajan, R. Vaidhyanathan, C.N.R. Rao, S. Ayyappan and A.K. Cheetham, Chem. Mater., 1999, 11, 1633-1639.

  122. Hybrid Framework Iron(II) Phosphate-Oxalates, A. Choudhury, S. Natarajan and C.N.R. Rao, J. Solid State Chem., 1999, 146, 538-545.

  123. A Hybrid Open-Framework Iron Phosphate-Oxalate with a Large Uni-dimensional channel, showing Reversible Hydration, A. Choudhury, S. Natarajan, and C.N.R. Rao, Chem. Mater. (commun.), 1999, 11, 2316-2318.

  124. An open-framework iron phosphate with Large Voids, exhibiting Spin-Crossover, A. Choudhury, S. Natarajan and C.N.R. Rao, Chem. Commun., 1999, 1305-1306.

  125. Amine Phosphates as Intermediates in the synthesis of Open-Framework Materials, S. Neeraj, S. Natarajan and C.N.R. Rao, Angew. Chem. Int. Ed., 1999, 38, 3480-3483.

  126. A Synthetic Iron Phosphate Mineral, Spheniscidite, [NH4]+[Fe2(OH)(H2O)(PO4)2]-H2O, Exhibiting Reversible Dehydration, A. Choudhury and S. Natarajan, Proc. Indian Acad. Sci. (Chem. Sci.), 1999, 111, 627-637.

  127. Unusual Dual Role of the Organic Amine in an Open-framework Structure, R. Vaidhyanathan, S. Natarajan and C.N.R. Rao, J. Mater. Chem., 1999, 9, 2789 – 2794.

  128. New Open-Framework Zinc Oxalates synthesized in the presence of Structure-directing Organic Amines, R. Vaidhyanathan, S. Natarajan, A.K. Cheetham and C.N.R. Rao, Chem. Mater., 1999 11, 3636-3642.

  129. A Hybrid Open-Framework Structure: Synthesis and Structure of an Iron Phosphate-Oxalate, [C10N4H28][Fe2(HPO4)3(C2O4)]2, A. Choudhury and S. Natarajan, J. Mater. Chem., 1999, 9, 3113-3118.

  130. A Zinc Phosphate, [NH3(CH2)3NH3][Zn4(PO4)2(HPO4)2], Possessing Alternate Inorganic and Organic Layers, S. Neeraj and S. Natarajan, Int. J. Inorg. Mater., 1999, 1, 317-323.