171667-53-1Relevant articles and documents
A study of a variety of O,O-alkylene dithiophosphate derivatives of triphenyl and diphenylgermane. Crystal structures of , , and
Drake, John E.,Mislankar, Anil G.,Ratnani, Raju,Yang, Jincai
, p. 915 - 928 (2007/10/03)
The O,O-alkylene dithiophosphate derivatives of triphenyl- and diphenylgermane, , have been prepared and characterized by infrared, Raman, and 1H, 13C, and 31P NMR spectroscopy, mass spectrometry, and, in three cases, X-ray crystallography. , 1, crystallizes as monoclinic in the space group P21/a (No. 14) with the cell parameters a=12.868(5) Angstroem, b=11.354(4) Angstroem, c=17.207(4) Angstroem, β=95.42(2) deg, V=2502(1) Angstroem3, Z=4, R=0.0640, and RW=0.0585. , 2, crystallizes as orthorhombic in the space group Pbca (No. 61) with the cell parameters a=23.007(4) Angstroem, b=16.840(4) Angstroem, c=12.068(3) Angstroem, V=4657(3) Angstroem3, Z=8, R=0.0502, and RW=0.0329. , 3, crystallizes as monoclinic in the space group C2/c (No. 15) with the cell parameters a=35.48(2) Angstroem, b=9.275(5) Angstroem, c=20.78(1) Angstroem, β=120.93(3) deg V=5866(5) Angstroem3, Z=8, R=0.0674, and RW=0.0562.As with their methylgermanium analogues, the environment about germanium is essentially that of a distorted tetrahedron, with the terminal sulfur atoms oriented towards germanium rather than away from it, in contrast with analogous noncyclic dithiophosphatogermanes.The substituents on the atoms in both the five- and six-membered rings maintain their nonequivalence in solution, in contrast with tin analogues.Key words: structure, germanium, diphenyl, triphenyl, cyclic dithiophosphates
