 | Acta Crystallographica Section B Acta Crystallographica Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS |
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![[Figure 1]](bm5143fig1mag.jpg)
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Figure 1
Configurations and conformations of NH⋯Se hydrogen bonds between selenourea molecules (a) as well as two main hydrogen-bonding modes involving (b) anti and (c) syn hydrogen bonds in urea. Torsion angles τ1, τ2 and τ3 and bond–H-bond angles η and ηa describing the hydrogen-bond geometry (cf. Fig. S1–S3). |
![[Figure 1]](bm5143fig1.jpg)
| STRUCTURAL SCIENCE CRYSTAL ENGINEERING MATERIALS |
ISSN: 2052-5206
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