Open-Framework Structures of Transition-Metal Compounds (2008)
Natarajan, Srinivasan, Mandal, Sukhendu
Inorganic framework solids are no longer limited to just the silicates and phosphates. Recent research has revealed that carboxylates, arsenates, sulfates, selenates, selenites, germanates,...
Hierarchical Structures in Tin(II) Oxalates (2008)
Ramaswamy, Padmini, Datta, Ayan, Natarajan, Srinivasan
Six new $Sn^{II}$ oxalates exhibiting a hierarchy of structures have been prepared employing hydrothermal methods. The compounds I $[C_{10}N_2H_{10}][Sn(C_2O_4)_2]$, II...
Mandal, Sukhendu, Banerjee, Debamalya, Bhat, SV, Pati, Swapan K, Natarajan, Srinivasan
A new open-framework iron phosphite, $[C_4N_2H_{12}][Fe_4(H_2O)_3(HPO_3)_7]·(H_2O)_x x = 0.6 (1)$ , has been prepared by the hydrothermal reaction between $FeCl_3·6H_2O, H_3PO_3$, and piperazine....
Hierarchical Structures in Tin(II) Oxalates (2008)
Ramaswamy, Padmini, Datta, Ayan, Natarajan, Srinivasan
Six new $Sn^{II}$ oxalates exhibiting a hierarchy of structures have been prepared employing hydrothermal methods. The compounds I $[C_{10}N_2H_{10}][Sn(C_2O_4)_2]$, II...
Mandal, Sukhendu, Banerjee, Debamalya, Bhat, SV, Pati, Swapan K, Natarajan, Srinivasan
A new open-framework iron phosphite, $[C_4N_2H_{12}][Fe_4(H_2O)_3(HPO_3)_7]·(H_2O)_x x = 0.6 (1)$ , has been prepared by the hydrothermal reaction between $FeCl_3·6H_2O, H_3PO_3$, and piperazine....
Open-Framework Structures of Transition-Metal Compounds (2008)
Natarajan, Srinivasan, Mandal, Sukhendu
Inorganic framework solids are no longer limited to just the silicates and phosphates. Recent research has revealed that carboxylates, arsenates, sulfates, selenates, selenites, germanates,...
Mandal, Sukhendu, Natarajan, Srinivasan
Five new zinc phosphites, $[C_{10}N_4H_{26}][Zn_2(HPO_3)_4] \cdot 2H_2O$, 1, $[C_{10}N_4H_{26}][Zn_5(H_2O)_4(HPO_3)_6]\cdot 4H_2O$, 2, $[C_{10}N_4H_{26}][Zn_4(HPO_3)_6]\cdot 2H_2O$, 3,...
Mahata, Partha, Ramya, KV, Natarajan, Srinivasan
A hydrothermal reaction of lanthanide salts, pyridine-2,3-dicarboxylic acid, benzene-1,4-dicarboxylic acid, and water gave rise to a new series of three-dimensional mixed carboxylates (homocyclic and...
Mandal, Sukhendu, Natarajan, Srinivasan
Five new zinc phosphites, $[C_{10}N_4H_{26}][Zn_2(HPO_3)_4] \cdot 2H_2O$, 1, $[C_{10}N_4H_{26}][Zn_5(H_2O)_4(HPO_3)_6]\cdot 4H_2O$, 2, $[C_{10}N_4H_{26}][Zn_4(HPO_3)_6]\cdot 2H_2O$, 3,...
Mahata, Partha, Ramya, KV, Natarajan, Srinivasan
A hydrothermal reaction of lanthanide salts, pyridine-2,3-dicarboxylic acid, benzene-1,4-dicarboxylic acid, and water gave rise to a new series of three-dimensional mixed carboxylates (homocyclic and...
New photocatalysts based on mixed-metal pyridine dicarboxylates (2007)
Mahata, Partha, Madras, Giridhar, Natarajan, Srinivasan
New photocatalytically active isostructural two-dimensional mixed metal-pyridine dicarboxylates, $[M(H_2O)_3Co\{C_5N_1H_3 (COO)_2 \}_3])\infty]$, M = Gd (1), Dy (2) and Y (3) have been prepared under...
Mahata, Partha, Natarajan, Srinivasan
A new series of lanthanide pyridine dicarboxylates of the general formula, $[M_2(H_2O)][C_5N_1H_3(COO)_2]_3\cdot 2H_2O$, M= La (1), Pr (2), and Nd (3), has been prepared by the reaction of trivalent...
Mandal, Sukhendu, Natarajan, Srinivasan
Inorganic–organic hybrid structures belonging to the family of iron phosphite–oxalates have been prepared by employing hydrothermal methods. Their structures, determined by single-crystal X-ray...
Photocatalytic Degradation of Dyes and Organics with Nanosized $GdCoO_3$ (2007)
Mahata, Partha, Aarthi, T, Madras, Giridhar, Natarajan, Srinivasan
$GdCoO_3$ nanoparticles with sizes of 3, 12, and 200 nm were prepared from single source mixed-metal organic framework (MOF) precursor, $[Gd(H_2O)_3Co\{C_5N_1H_3(COO)_2\}_3]$. The photocatalytic...
Mandal, Sukhendu, Natarajan, Srinivasan
Inorganic–organic hybrid structures belonging to the family of iron phosphite–oxalates have been prepared by employing hydrothermal methods. Their structures, determined by single-crystal X-ray...
Synthesis, structure and magnetic properties of an inorganic–organic hybrid compound (2007)
Mandal, Sukhendu, Green, Mark A, Pati, Swapan K, Natarajan, Srinivasan
Hydrothermal reaction of a mixture of $MnC_2O_4, H_3PO_3$, piperazine and water at 423 K for 72h resulted in a new inorganic–organic hybrid phase,...
Mahata, Partha, Natarajan, Srinivasan
A new series of lanthanide pyridine dicarboxylates of the general formula, $[M_2(H_2O)][C_5N_1H_3(COO)_2]_3\cdot 2H_2O$, M= La (1), Pr (2), and Nd (3), has been prepared by the reaction of trivalent...
New photocatalysts based on mixed-metal pyridine dicarboxylates (2007)
Mahata, Partha, Madras, Giridhar, Natarajan, Srinivasan
New photocatalytically active isostructural two-dimensional mixed metal-pyridine dicarboxylates, $[M(H_2O)_3Co\{C_5N_1H_3 (COO)_2 \}_3])\infty]$, M = Gd (1), Dy (2) and Y (3) have been prepared under...
Photocatalytic Degradation of Dyes and Organics with Nanosized $GdCoO_3$ (2007)
Mahata, Partha, Aarthi, T, Madras, Giridhar, Natarajan, Srinivasan
$GdCoO_3$ nanoparticles with sizes of 3, 12, and 200 nm were prepared from single source mixed-metal organic framework (MOF) precursor, $[Gd(H_2O)_3Co\{C_5N_1H_3(COO)_2\}_3]$. The photocatalytic...
Rao, Koteswara V, Chakrabarti, Sandip, Natarajan, Srinivasan
Eight new open-framework zinc arsenates, encompassing the entire hierarchy of open-framework structures, have been prepared hydrothermally. The structures include zero-dimensional, one-dimensional...
Synthesis, structure and magnetic properties of an inorganic–organic hybrid compound (2007)
Mandal, Sukhendu, Green, Mark A, Pati, Swapan K, Natarajan, Srinivasan
Hydrothermal reaction of a mixture of $MnC_2O_4, H_3PO_3$, piperazine and water at 423 K for 72h resulted in a new inorganic–organic hybrid phase,...
Rao, Koteswara V, Chakrabarti, Sandip, Natarajan, Srinivasan
Eight new open-framework zinc arsenates, encompassing the entire hierarchy of open-framework structures, have been prepared hydrothermally. The structures include zero-dimensional, one-dimensional...
The use of hydrothermal methods in the synthesis of novel open-framework materials (2006)
Natarajan, Srinivasan, Mandal, Sukhendu, Mahata, Partha, Rao, Vandavasi Koteswara, Ramaswamy, Padmini, Banerjee, Abhishek, ...
The preparation of inorganic compounds, exhibiting open-framework structures, by hydrothermal methods has been presented. To illustrate the efficacy of this approach, few select examples encompassing...
Amine-Intercalated Layered $Sn^{II}$ Phosphates with Open-Framework Structures (2006)
Ramaswamy, Padmini, Natarajan, Srinivasan
Three new $Sn^{II}$ phosphate materials, $[NH_3(CH_2)_3NH_2(CH_2)_2-NH_2(CH_2)_3NH_3]·2[Sn_2P_2O_8]$ (I), $[(N_2C_5H_{14})_2][Sn_4P_4O_{16}]·3H_2O$ (II) and $[(N_2C_5H_{14})][Sn_2P_2O_8]·H_2O$...
Synthesis of open-framework zinc phosphite structures of varying dimensionality (2006)
Mandal, Sukhendu, Natarajan, Srinivasan
Four new organically templated zinc phosphites, $[(C_4N_2H_1_0)(C_5NH_5)][Zn_2Cl_2(HPO_3)_2]$, I, $[(C_4N_2H_1_2)(C_5NH_4)]_4[Zn_6(HPO_3)_8]$, II, $[C_3N_2H_1_2][Zn_2(HPO_3)_3]\bullet 2H_2O$, III and...
Synthesis of open-framework zinc phosphite structures of varying dimensionality (2006)
Mandal, Sukhendu, Natarajan, Srinivasan
Four new organically templated zinc phosphites, $[(C_4N_2H_1_0)(C_5NH_5)][Zn_2Cl_2(HPO_3)_2]$, I, $[(C_4N_2H_1_2)(C_5NH_4)]_4[Zn_6(HPO_3)_8]$, II, $[C_3N_2H_1_2][Zn_2(HPO_3)_3]\bullet 2H_2O$, III and...
Amine-Intercalated Layered $Sn^{II}$ Phosphates with Open-Framework Structures (2006)
Ramaswamy, Padmini, Natarajan, Srinivasan
Three new $Sn^{II}$ phosphate materials, $[NH_3(CH_2)_3NH_2(CH_2)_2-NH_2(CH_2)_3NH_3]·2[Sn_2P_2O_8]$ (I), $[(N_2C_5H_{14})_2][Sn_4P_4O_{16}]·3H_2O$ (II) and $[(N_2C_5H_{14})][Sn_2P_2O_8]·H_2O$...
The use of hydrothermal methods in the synthesis of novel open-framework materials (2006)
Natarajan, Srinivasan, Mandal, Sukhendu, Mahata, Partha, Rao, Vandavasi Koteswara, Ramaswamy, Padmini, Banerjee, Abhishek, ...
The preparation of inorganic compounds, exhibiting open-framework structures, by hydrothermal methods has been presented. To illustrate the efficacy of this approach, few select examples encompassing...
Hydrothermal synthesis and structures of two zero-dimensional zinc phosphate polymorphs (2005)
Two polymorphs of zero-dimensional zinc phosphate with the formula, $0_{\infinity}[Zn(2,2'-bipy)(H_{2}PO_{4})_{2}]$, have been synthesized employing hydrothermal technique and their structure...
Mandal, Sukhendu, Green, Mark A, Natarajan, Srinivasan
A new iron phosphite, $[fe^{III}(1,10-phenanthroline)(HPO_{3})(H_{2}PO_{3})]$,1, has been synthesized hydrothermally from a mixture containing iron powder, phosphorous acid, 1,10-phenanthroline and...
Thirumurugan, A, Natarajan, Srinivasan
A hydrothermal reaction of a mixture of $M(NO_{3})_{3}$, 1,2-dicyanobenzene, 1,2-benzenedicarboxylic acid (1,2-BDC), 1,10-phenanthroline and piperazine gave rise to a new compound,...
Natarajan, Srinivasan, Thirumurugan, A
A hydrothermal reaction of a mixture of $Gd(NO_{3})_{3}$,1,2-benzenedicarboxylic acid (1,2-BDC), piperazine, NaOH and water at 180 degrees C for three days under autogeneous pressure gave rise to a...
Mandal, Sukhendu, Natarajan, Srinivasan
A hydrothermal reaction of a mixture of cobalt (11) oxalate,phosphorous acid, piperazine and water at 150 degrees C for 96 h followed by heating at 180 degrees C for 24h gave rise to a new...
Mandal, Sukhendu, Natarajan, Srinivasan
A hydrothermal reaction of a mixture of cobalt (II) oxalate, phosphorous acid, piperazine and water at $150^oC$ for 96 h followed by heating at $180^oC$ for 24 h gave rise to a new...
Mahata, Partha, Natarajan, Srinivasan
The reaction of hetrocyclic dicarboxylic acids, such as pyridine-2,5-dicarboxylic acid and imidazole-4,5-dicarboxylic acid,under hydrothermal conditions in the presence of an appropriate zinc salt...
Mandal, Sukhendu, Pati, Swapan K, Green, Mark A, Natarajan, Srinivasan
A hydrothermal reaction of a mixture containing iron(II) oxalatedihydrate, phosphor-us acid, piperazine, and water at 150 degrees C for72 h gave light-yellow cubes of a new hybrid iron...
Mandal, Sukhendu, Pati, Swapan K, Green, Mark A, Natarajan, Srinivasan
A hydrothermal reaction of a mixture containing iron powder, phosphorus acid, 2,2'-bipyridine, and water at 125 C for 7 days gave colorless rods of a new hybrid iron phosphite-phosphate,...
Ganesan, SV, Natarajan, Srinivasan
Two new compounds, $[(C_4N_2H_1_2)_3][P_2Mo_5O_2_3] \cdot H_2_O$ and $[(C_3N_2H_1_2)_3][P_2Mo_5O_2_3] \cdot 4H_2O$, II, have been prepared employing hydrothermal methods in the presence of aliphatic...
Mandal, Sukhendu, Pati, Swapan K, Green, Mark A, Natarajan, Srinivasan
A hydrothermal reaction of a mixture containing iron powder, phosphorus acid, 2,2'-bipyridine, and water at 125 C for 7 days gave colorless rods of a new hybrid iron phosphite-phosphate,...
Ganesan, SV, Natarajan, Srinivasan
Two new compounds, $[(C_4N_2H_1_2)_3][P_2Mo_5O_2_3] \cdot H_2_O$ and $[(C_3N_2H_1_2)_3][P_2Mo_5O_2_3] \cdot 4H_2O$, II, have been prepared employing hydrothermal methods in the presence of aliphatic...
Mandal, Sukhendu, Pati, Swapan K, Green, Mark A, Natarajan, Srinivasan
A hydrothermal reaction of a mixture containing iron(II) oxalatedihydrate, phosphor-us acid, piperazine, and water at 150 degrees C for72 h gave light-yellow cubes of a new hybrid iron...
Mahata, Partha, Natarajan, Srinivasan
The reaction of hetrocyclic dicarboxylic acids, such as pyridine-2,5-dicarboxylic acid and imidazole-4,5-dicarboxylic acid,under hydrothermal conditions in the presence of an appropriate zinc salt...
Natarajan, Srinivasan, Thirumurugan, A
A hydrothermal reaction of a mixture of $Gd(NO_{3})_{3}$,1,2-benzenedicarboxylic acid (1,2-BDC), piperazine, NaOH and water at 180 degrees C for three days under autogeneous pressure gave rise to a...
Thirumurugan, A, Natarajan, Srinivasan
A hydrothermal reaction of a mixture of $M(NO_{3})_{3}$, 1,2-dicyanobenzene, 1,2-benzenedicarboxylic acid (1,2-BDC), 1,10-phenanthroline and piperazine gave rise to a new compound,...
Hydrothermal synthesis and structures of two zero-dimensional zinc phosphate polymorphs (2005)
Two polymorphs of zero-dimensional zinc phosphate with the formula, $0_{\infinity}[Zn(2,2'-bipy)(H_{2}PO_{4})_{2}]$, have been synthesized employing hydrothermal technique and their structure...
Mandal, Sukhendu, Green, Mark A, Natarajan, Srinivasan
A new iron phosphite, $[fe^{III}(1,10-phenanthroline)(HPO_{3})(H_{2}PO_{3})]$,1, has been synthesized hydrothermally from a mixture containing iron powder, phosphorous acid, 1,10-phenanthroline and...
Mandal, Sukhendu, Natarajan, Srinivasan
A hydrothermal reaction of a mixture of cobalt (II) oxalate, phosphorous acid, piperazine and water at $150^oC$ for 96 h followed by heating at $180^oC$ for 24 h gave rise to a new...
Jayaraman, K, Vaidhyanathan, R, Natarajan, Srinivasan, Rao, CNR
A layered cadmium phosphate of the formula $K_4[(Cd_3(HPO_4)_4(H_2PO_4)_2]$, I, containing six-membered apertures, constituting the first example of an open-framework cadmium phosphate, has been...
Jayaraman, K, Vaidhyanathan, R, Natarajan, Srinivasan, Rao, CNR
A layered cadmium phosphate of the formula $K_4[(Cd_3(HPO_4)_4(H_2PO_4)_2]$, I, containing six-membered apertures, constituting the first example of an open-framework cadmium phosphate, has been...
A new three-dimensional open-framework iron(III) phosphate, $[C_2N_2H_{10}][Fe_2(HPO_4)_4]$ (2000)
Choudhury, Amitava, Natarajan, Srinivasan
A new open-framework iron(III) phosphate, I, $[C_2N_2H_{10}][Fe_2(HPO_4)_4]$ has been hydrothermally synthesized in the presence of ethylenediamine (en). The structure is built up from the vertex...
Kedarnath, K, Choudhury, Amitava, Natarajan, Srinivasan
A new aluminum phosphate-oxalate, I, $[N_2C_4H_{12}]Al_2(PO_4) (HPO_4)(C_2O_4)]H_2O$, has been synthesized hydrothermally in the presence of structure- irecting amines. The hybrid structure comprises...
Choudhury, Amitava, Natarajan, Srinivasan, Rao, CNR
A layered aluminum phosphate, $I [C_2N_2 H_{10} ]$ $[Al_2] (OH)_2 H_2O(PO_4 )_2 ]H_2 O$, with Al:P ratio of 1:1 has been prepared using a novel synthetic route wherein the amine phosphate, $[C_2 N_2...
Choudhury, Amitava, Neeraj, S, Natarajan, Srinivasan, Rao, CNR
An Unusual Open-Framework Cobalt(II) Phosphate with a Channel Structure That Exhibits Structural and Magnetic Transitions
Hybrid Open-Framework Iron Phosphate-Oxalates Demonstrating a Dual Role of the Oxalate Unit (2000)
Choudhury, Amitava, Natarajan, Srinivasan, Rao, CNR
New inorganic-organic hybrid open-framework materials of the phosphate-oxalate family, $[Fe_2(H_2O)_2(HPO_4)_2(C_2O_4)]H_2O\cdot(I)$, $[Fe_2(H_2O)_2(HPO_4)_2(C_2O_4)]_2 H_2O\cdot(II)$,...
A new three-dimensional open-framework iron(III) phosphate, $[C_2N_2H_{10}][Fe_2(HPO_4)_4]$ (2000)
Choudhury, Amitava, Natarajan, Srinivasan
A new open-framework iron(III) phosphate, I, $[C_2N_2H_{10}][Fe_2(HPO_4)_4]$ has been hydrothermally synthesized in the presence of ethylenediamine (en). The structure is built up from the vertex...
Choudhury, Amitava, Natarajan, Srinivasan, Rao, CNR
A layered aluminum phosphate, $I [C_2N_2 H_{10} ]$ $[Al_2] (OH)_2 H_2O(PO_4 )_2 ]H_2 O$, with Al:P ratio of 1:1 has been prepared using a novel synthetic route wherein the amine phosphate, $[C_2 N_2...
Choudhury, Amitava, Neeraj, S, Natarajan, Srinivasan, Rao, CNR
An Unusual Open-Framework Cobalt(II) Phosphate with a Channel Structure That Exhibits Structural and Magnetic Transitions
Hybrid Open-Framework Iron Phosphate-Oxalates Demonstrating a Dual Role of the Oxalate Unit (2000)
Choudhury, Amitava, Natarajan, Srinivasan, Rao, CNR
New inorganic-organic hybrid open-framework materials of the phosphate-oxalate family, $[Fe_2(H_2O)_2(HPO_4)_2(C_2O_4)]H_2O\cdot(I)$, $[Fe_2(H_2O)_2(HPO_4)_2(C_2O_4)]_2 H_2O\cdot(II)$,...
Choudhury, Amitava, Natarajan, Srinivasan
Spheniscidite, a synthetic iron phosphate mineral has been synthesized by hydrothermal methods. The material is isotypic with another iron phosphate mineral, leucophosphite. Spheniscidite...
Choudhury, Amitava, Natarajan, Srinivasan
Spheniscidite, a synthetic iron phosphate mineral has been synthesized by hydrothermal methods. The material is isotypic with another iron phosphate mineral, leucophosphite. Spheniscidite...