<i>M</i><sup>3+</sup>(H<sub>2</sub>AsO<sub>4</sub>)(H<sub>2</sub>As<sub>2</sub>O<sub>7</sub>) (<i>M</i><sup>3+</sup>= Al, Ga) and In<sub>2</sub>(H<sub>2</sub>AsO<sub>4</sub>)<sub>2</sub>(H<sub>2</sub>As<sub>2</sub>O<sub>7</sub>)<sub>2</sub>: a new layer structure type and a new framework structure type containing the rare H<sub>2</sub>As<sub>2</sub>O<sub>7</sub><sup>2−</sup>group
作者:Karolina Schwendtner、Uwe Kolitsch
DOI:10.1107/s2053229617009676
日期:2017.8.1
The crystal structures of hydrothermally synthesized aluminium dihydrogen arsenate(V) dihydrogen diarsenate(V), Al(H2AsO4)(H2As2O7), gallium dihydrogen arsenate(V) dihydrogen diarsenate(V), Ga(H2AsO4)(H2As2O7), and diindium bis[dihydrogen arsenate(V)] bis[dihydrogen diarsenate(V)], In2(H2AsO4)2(H2As2O7)2, were determined from single‐crystal X‐ray diffraction data collected at room temperature. The
水热合成砷酸二氢铝(V),二氢二砷酸氢(V),Al(H 2 AsO 4)(H 2 As 2 O 7),砷化镓二氢镓(V),二砷化氢(V),Ga(H 2)的晶体结构AsO 4)(H 2 As 2 O 7)和双[二砷化二氢(V)]双[二砷化二氢(V)],In 2(H 2 AsO 4)2(H 2 As 2 O 7)2由室温下收集的单晶X射线衍射数据确定。前两种化合物代表新型片状结构类型,而第三种化合物在新型骨架结构中结晶。在所有这三种结构中,基本结构单元是中号3+ ö 6八面体(中号被连接=铝,镓,铟)通过一个H 2 ASO 4 -和两个H 2作为2个ö 7 2-组成链,和进一步通过H 2 As 2 O 7 2-将基团分层。铝/镓(H2 AsO 4)(H 2 As 2 O 7),这些层通过弱至中等强度的氢键相互连接。在In 2(H 2 AsO 4)2(H 2 As 2 O 7)2中,H 2 As