New Molecular Perovskites: Cubic C<sub>4</sub>N<sub>2</sub>H<sub>12</sub>·NH<sub>4</sub>Cl<sub>3</sub>·H<sub>2</sub>O and 2-H Hexagonal C<sub>6</sub>N<sub>2</sub>H<sub>14</sub>·NH<sub>4</sub>Cl<sub>3</sub>
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The room-temperature syntheses and single-crystal structures of C4N2H12·NH4Cl3·H2O and C6N2H14·NH4Cl3 are reported. These novel molecular perovskites contain vertex-sharing octahedral (NH4)Cl6 arrays which replicate the octahedral packing in the cubic (SrTiO3) and 2-H hexagonal (BaNiO3) perovskite structures, respectively. The structures are completed by doubly protonated organic cations and, for the cubic phase, water molecules. Crystal data: C4N2H12·NH4Cl3·H2O, Mr = 230.56, orthorhombic, Pbcm (No. 57), a = 6.5279(13) Å, b = 12.935(3) Å, c = 12.849(3) Å, V = 1085.0(4) Å3, Z = 4; C6N2H14·NH4Cl3, Mr = 238.59, trigonal, P3̄c1 (No. 165), a = 16.1616(2) Å, c = 22.3496(4) Å, V = 5055.5(2) Å3, Z = 18.
创建时间：
2016-08-18
