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Figure 7
(a) and (b) Refined unit-cell parameters of ice II (triply primitive hexagonal cell) obtained at 443 MPa in experiment 1. Solid lines are parabolic equations fitted to the data from 139 to 174 K. (c). The unit-cell volumes at 443 MPa (right axis) and at room pressure (left axis, from Fortes et al., 2005BB28). (d) The pressure dependence of the c/a ratio; black circles from Fortes et al. (2005BB28) are fitted with a linear expression (solid line), with 2σ confidence limits shown as dashed lines. The temperature-corrected c/a ratios at (i) 443 MPa (experiment 1), (ii) 550 MPa (experiment 2) and (iii) 620 MPa (experiment 6) are shown.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 42| Part 5| September 2009| Pages 846-866
doi:10.1107/S0021889809027897
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