Abstract
A new compound C6F5N(H)C(O)CH3 pentafluoroacetanilide, which is promising for the formation of coordination compounds with metal cations, is synthesized. Its crystal structure is determined (APEX DUO diffractometer, λMoKα, graphite monochromator, T = 150 K). Crystallographic data for C8H4F5NO are as follows: space group C2/c, a = 18.2460(7) A, b = 10.5840(4) A, c = 9.4489(4) A, β = 116.198(1)°, V = 1637.28(11) A3, Z = 8. The compound has a molecular structure formed of isolated pentafluoroacetanilide molecules. The average distances in the phenyl ring are 1.39 A for C–C and 1.34 A for C–F. The molecular structure of the studied compound is confirmed by 19F and 1H NMR in the solution CCl4/CDCl3 = 1:1 (v:v).
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