Abstract
The N-heterocycles in the centrosymmetric title compound, [La2(C10H9NO)4(CH3COO)2(NO3)4], exist in the zwitterionic form. One heterocycle binds to a metal center whereas the other bridges two metal centers. Each La atom is chelated by an acetate and two nitrate groups and is surrounded by nine O atoms in a distorted tricapped trigonal-prismatic coordination environment. The N—H groups form intramolecular N—H⋯O hydrogen bonds. One of the nitrate ions is disordered over two positions in a 0.80 (3):0.20 (3) occupancy ratio.
Highlights
The N-heterocycles in the centrosymmetric title compound, [La2(C10H9NO)4(CH3COO)2(NO3)4], exist in the zwitterionic form
One heterocycle binds to a metal center whereas the other bridges two metal centers
One of the nitrate ions is disordered over two positions in a 0.80 (3):0.20 (3) occupancy ratio
Summary
Key indicators: single-crystal X-ray study; T = 295 K; mean (C–C) = 0.008 A; disorder in main residue; R factor = 0.032; wR factor = 0.112; data-to-parameter ratio = 16.1. The N-heterocycles in the centrosymmetric title compound, [La2(C10H9NO)4(CH3COO)2(NO3)4], exist in the zwitterionic form. One heterocycle binds to a metal center whereas the other bridges two metal centers. Each La atom is chelated by an acetate and two nitrate groups and is surrounded by nine O atoms in a distorted tricapped trigonal-prismatic coordination environment. The N—H groups form intramolecular N— HÁ Á ÁO hydrogen bonds. One of the nitrate ions is disordered over two positions in a 0.80 (3):0.20 (3) occupancy ratio. Crystal data [La2(C10H9NO)4(C2H3O2)2(NO3)4] Mr = 1280.68 Monoclinic, P21=n a = 11.3686 (8) Ab = 17.5807 (12) Ac = 13.0265 (10) A = 104.820 (1)
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