Neubestimmung von Struktur und Eigenschaften isotyper Natriumtetraamidometallate des Aluminiums und Galliums |
| |
Authors: | H. Jacobs,B. N cker |
| |
Affiliation: | H. Jacobs,B. Nöcker |
| |
Abstract: | Redetermination of Structure and Properties of the Isotypic Sodium Tetraamido Metallates of Aluminium and Gallium Crystals for x-ray structure determination of NaAl(NH2)4 and NaGa(NH2)4 were obtained by the reaction of the metals with ammonia in autoclaves at 100°C and P(NH3) = 60 bar within 7 days. The compounds crystallize isotypic in the space group P21/c with Z = 4 NaAl(NH2)4 a = 7.328(2) Å, b = 6.047(2) Å, c = 13.151(3) Å, β = 94.04(1)° NaGa(NH2)4 a = 7.4087(8) Å, b = 6.0917(5) Å, c = 12.855(2) Å, β = 92.10(1)° The structures were refined inclusively all H-positions of the amide ions. The ternay amides are furthermore characterized by their IR spectra and their thermal behaviour. |
| |
Keywords: | Sodium tetraamido aluminate sodium tetraamido gallate crystal structure IR spectra thermal behaviour |
|
|