The tetrasulphane S4(NC4H8O)2 crystallizes in the tetragonal space group l41/a(no. 88) with a=b= 12.812(1), c= 16.733(2)Å, and Z= 8. The structure has been determined by X-ray diffraction from Mo-Kα diffractometer data and refined by full-matrix least squares to R 0.045 for 948 observed reflections. The molecules lie across crystallographic two-fold axes. The N–S–S–S–S–N chains occur in the trans-trans
四
硫烷S 4(NC 4 H 8 O)2在四边形空间群l 4 1 / a(编号88)中结晶,其中a = b = 12.812(1),c = 16.733(2)Å,Z = 8该结构已经被确定X射线衍射从
钼ķ α衍射数据,并通过全矩阵最小二乘法精制以ř 0.045为948米观察到的反射。分子横穿晶体学的两重轴。N–S–S–S–S–N链发生在反式-反式形式,具有N–S 1.668(3),S–S(终端)2.061(2),S–S(中央)2.078(3)Å,N–S–S 109.1(2),S–S–S 105.8 (1)°,NSS–
SSS 90.3和
SSS–
SSS 79.9°。吗啉基团以椅子形式出现,并伴有N–S赤道。S–S键沿链的长度仅略微交替,就像同晶型四
硒烷类似物中的Se–Se键一样。