Analysis of P–O–C, P–S–C and P–O–P angles: a database survey completed with four new X-ray crystal structures
作者:Fahimeh Sabbaghi、Mehrdad Pourayoubi、Michal Dušek、Václav Eigner、Sahar Bayat、Krishnan Damodaran、Marek Nečas、Monika Kučeráková
DOI:10.1007/s11224-016-0809-7
日期:2016.12
Four new crystal structures, P(O)(OC6H5)2(NHNHC6H5) (I), P(S)(OCH3)2(NHCH(CH3)2) (II), P(S)(OCH3)2(NH-cyclo-C5H9) (III) and [2–Cl–C6H4CH2NH3]2[(CH3S)P(O)(O)–O–P(O)(O)(SCH3)] (IV) were studied. The P–O–C angles were analyzed, considering phosphoryl compound (I) and thiophosphoryl compounds (II) and (III) and their analogous structures deposited in the Cambridge Structural Database (CSD), including 282
四种新的晶体结构,P(O)(OC6H5)2(NHNHC6H5) (I)、P(S)(OCH3)2(NHCH(CH3)2) (II)、P(S)(OCH3)2(NH-研究了环-C5H9) (III) 和 [2-Cl-C6H4CH2NH3]2[(CH3S)P(O)(O)-O-P(O)(O)(SCH3)] (IV)。分析了 P-O-C 角,考虑了磷酰基化合物 (I) 和硫代磷酰基化合物 (II) 和 (III) 及其在剑桥结构数据库 (CSD) 中存储的类似结构,包括 282 P(O)(O)2 (N) 结构(706 个 P-O-C 角)和 186 个 P(S)(O)2(N) 结构(518 个 P-O-C 角)具有至少一个 P-O-C 角。在 P(O)(O)2(N) 和 P(S)(O)2(N) 结构家族中,P–O–C 角的最大群体在 120°–122° 内,证实了杂交状态P-O-C 的氧原子接近 sp2。对