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Figure 4
The Fe—F bond length (♦), F—F distances (d1 •, d2 ▪) (a) and octahedral strain ∊ (▾) (b) plotted as a function of the pressure. The octahedral strain is seen to increase up to about 6 GPa and remains almost constant above this pressure. The increased octahedral strain reflects an elongation of the octahedra along the c axis. Solid lines are guides to the eye. The insert shows the 31/2c/3a ratio plotted as function of the pressure.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 62| Part 6| November 2006| Pages 987-992
doi:10.1107/S0108768106030023
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