Abstract
In the title compound C21H21P, the P atom is situated on a crystallographic threefold rotatory-inversion axis, resulting in threefold rotation symmetry of the title compound. The dihedral angles between the symmetry-related benzene rings are 87.40 (18)°.
Highlights
Hao Wang,a Yi-Bin Wang,a Bo-Nian Liu,b Shi-Gui Tanga and Ping Weia*
Z=6 Mo K radiation = 0.15 mmÀ1 T = 293 (2) K 0.40 Â 0.30 Â 0.20 mm 1095 independent reflections 790 reflections with I > 2(I) Rint = 0.050 3 standard reflections every 200 reflections intensity decay: none 67 parameters H-atom parameters constrained Ámax = 0.26 e A À3 Ámin = À0.34 e A À3
In the title compound C21H21P, the P atom is situated on a crystallographic threefold rotatory-inversion axis, resulting in threefold rotation symmetry of the title compound
Summary
Hao Wang,a Yi-Bin Wang,a Bo-Nian Liu,b Shi-Gui Tanga and Ping Weia* ACollege of Life Sciences And Pharmaceutical Engineering, Nanjing University of Technology, Nanjing 210009, People’s Republic of China, and bCollege of Science, Nanjing University of Technolgy, Xinmofan Road No.5, Nanjing 210009, People’s Republic of China Correspondence e-mail: guocheng@njut.edu.cn Received 3 June 2008; accepted 27 July 2008
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