Synthesis and crystal structure analysis of substituted bi­cyclo­[3.3.1]nona­nones

König, J.A.; Morgenstern, B.; Jauch, J.

doi:10.1107/S2056989025003299

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 4
Hydrogen-bonding network of 2 and 4. (a) Hydrogen bonds (blue dashed lines) perpendicular to the a direction between 2a and 2b via O2—H20 and O8, and O6—H6O and O4ⁱ [symmetry code: (i) x + 1, y, z]. The formed C(6) chain is aligned in a direction. (b) The hydrogen bonds (blue dashed lines) in the c direction via O2—H2 and O3ⁱⁱ [symmetry code: (ii) x, −y + $[{1\over 2}]$ , z − $[{1\over 2}]$ and via O2ⁱⁱⁱ—H2ⁱⁱⁱ and O3 [symmetry code: (iii) x, −y + $[{1\over 2}]$ , z + $[{1\over 2}]$ ], are deflected by 12.40 (4)° against the c-glide plane (black dashed line). The formed C(6) chain has the symmetry of the Frieze group p11g.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 81| Part 5| May 2025|

https://doi.org/10.1107/S2056989025003299

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