Conformational flexibility in amido­phospho­esters: a CSD analysis com­pleted with two new crystal structures of (C6H5O)2P(O)X [X = NHC7H13 and N(CH2C6H5)2]

Vahdani Alviri, B.; Pourayoubi, M.; Abdul Salam, A.A.; Nečas, M.; Lee, A. van der; Chithran, A.; Damodaran, K.

doi:10.1107/S2053229619016619

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

IUCr IT WDC

home archive editors for authors for readers submit subscribe open access

view article

Figure 3
Comparative study of the title compounds with similar structures available in the CSD. (a) The averages of the bond lengths calculated from the 162 molecules containing the P(O)(OPh)₂N skeleton are shown with the bond lengths of the title compounds. The atom numbering for (I)

is shown for reference. The bond lengths of the CSD structures and compounds (I)

and (II)

are shown in bold, italic and normal fonts, respectively. (b) The average bond angles at the P atom calculated for the 162 molecules are shown with the bond angles of the title compounds. The bold fonts represent the average bond angles calculated from structures extracted from the CSD. The italic and normal fonts represent the data for (I)

and (II)

, respectively. (c) The conformational summary of the two phenyl rings attached to the ester O atoms. The phenyl rings of (I)

adopt −ap and −ap conformations, and those of (II)

adopt +sc and +ap conformations, and their respective positions are marked and shown with an arrow.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 76| Part 1| January 2020| Pages 104-116

https://doi.org/10.1107/S2053229619016619

Follow Acta Cryst. C

Search IUCr Journals		doi		Advanced search
Author		volume	page