 | Acta Crystallographica Section B Acta Crystallographica Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS |
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![[Figure 8]](bm5143fig8mag.jpg)
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Figure 8
Crystal volume VSe (equal to the unit-cell V divided by the number of selenourea molecules, NSe) for SeC(NH2)2 phases α, α-SeC(NH2)2·xH2O, phase β and the duotritohydrate 3SeC(NH2)2·2H2O compressed (at 296 K) in H2O and methanol (marked in black), and in glycerine (blue). Red arrows down indicate the difference between VSe of duotritohydrate and the ![[2\over 3]](teximages/bm5143fi4.svg) part of the molecular volume of H2O in compressed water (Bridgman, 1935 ) and ice VI (Kuhs et al., 1984). The 100 K, 173 K and 293 K/0.1 MPa points (green) were determined by Luo & Dauter (2017) and Rutherford & Calvo (1969). |
![[Figure 8]](bm5143fig8.jpg)
| STRUCTURAL SCIENCE CRYSTAL ENGINEERING MATERIALS |
ISSN: 2052-5206
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