5-tert-But­yl-4-bromo-1,2-dihydro-1H-pyrazol-3(2H)-one monohydrate

Lynch, D.E.; McClenaghan, I.

doi:10.1107/S1600536805012791

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 2
Hydrogen-bonding environment for (I)

, at (x, y, z), showing the centrosymmetric R₂²(8) N1—H⋯O5 dimer, the two hydrogen-bonding associations from O1W, and the four-centre hydrogen-bonding association involving O5. For clarity, H atoms not involved in the hydrogen-bonding interactions have been omitted. Hydrogen bonds are shown as dashed lines. [Symmetry codes: (i) −x + $[{3\over 2}]$ , −y + $[{1\over 2}]$ , −z + $[{1\over 2}]$ ; (ii) y + $[{1\over 4}]$ , −x + $[{5\over 4}]$ , z + $[{1\over 4}]$ ; (iii) −y + $[{5\over 4}]$ , x − $[{3\over 4}]$ , −z + $[{1\over 4}]$ ; (iv) y + $[{3\over 4}]$ , −x + $[{5\over 4}]$ , −z + $[{1\over 4}]$ .]

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 61| Part 8| August 2005| Pages o2349-o2351

https://doi.org/10.1107/S1600536805012791

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