Geometric changes around an N atom due to a urethane-type bis­(tert-but­oxy­carbonyl) substituent

Wojewska, D.; Kluczyk, A.; Ślepokura, K.

doi:10.1107/S0108270112048846

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 3
The arrangement of molecules of (II)

in the crystal structure. (a) The chains along the a axis, with hydrogen-bond contacts shown as dashed lines (in the electronic version of the paper, intramolecular contacts are shown in orange and intermolecular contacts are shown in blue). (b) The three-dimensional architecture formed by C—H⋯O contacts (red dashed lines) linking adjacent chains. H atoms not involved in hydrogen bonding have been omitted for clarity. [Symmetry codes: (i) x, y-1, z; (iii) x + 1, y, z; (v) x − $[{1\over 2}]$ , −y + $[{3\over 2}]$ , −z + 1; (vi) −x + 1, y + $[{1\over 2}]$ , −z + $[{1\over 2}]$ ; (vii) x + $[{1\over 2}]$ , −y + $[{3\over 2}]$ , −z + 1; (viii) −x + 1, y − $[{1\over 2}]$ , −z + $[{1\over 2}]$ .]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 69| Part 1| December 2013| Pages 82-86

doi:10.1107/S0108270112048846

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