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Groutite |
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Kohler T, Armbruster T, Libowitzky E |
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Journal of Solid State Chemistry 133 (1997) 486-500 |
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Hydrogen bonding and Jahn-Teller distortion in groutite, alpha-MnOOH, |
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and manganite, gamma-MnOOH, and their relations to the manganese |
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dioxides ramsdellite and pyrolusite |
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Locality: Nchwaning Mine, Kalahari manganese field, Republic of South Africa |
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_database_code_amcsd 0013941 |
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10.667 2.871 4.554 90 90 90 Pnma |
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atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mn .14014 .25 -.05014 .00616 .00696 .00534 .00620 0 .00099 0 |
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O1 -.18652 .25 .2989 .0074 .0082 .0067 .0073 0 .0017 0 |
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O2 -.07017 .25 -.1947 .0074 .0087 .0076 .0058 0 -.0001 0 |
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H -.099 .25 .641 .038 |
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