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Alacranite |
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Bonazzi P, Bindi L, Popova V, Pratesi G, Menchetti S |
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American Mineralogist 88 (2003) 1796-1800 |
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Alacranite, As8S9: structural study of the holotype and re-assignment |
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of the original chemical formula |
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9.942 9.601 9.178 90 101.94 90 P2/c |
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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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As1 .0190 .2227 .9418 .058 .054 .075 .043 .011 .008 .018 |
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As2 .1653 .4149 .8541 .049 .036 .043 .064 -.003 .001 -.009 |
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As3 .4408 .3214 .4333 .043 .058 .035 .037 -.010 .013 -.005 |
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As4 .3750 .0312 .1774 .045 .057 .045 .036 -.017 .015 -.015 |
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S1 0 .0768 3/4 .072 .082 .034 .098 0 .012 0 |
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S2 0 .5590 3/4 .097 .076 .031 .165 0 -.020 0 |
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S3 .1854 .3210 .6404 .067 .034 .117 .053 -.005 .021 .002 |
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S4 .2806 .1733 .3216 .036 .029 .051 .035 .008 .019 -.006 |
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S5 1/2 .4457 1/4 .046 .071 .031 .043 0 .027 0 |
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S6 .3944 .1671 -.0114 .045 .056 .040 .037 .009 .008 .007 |
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Alacranite |
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Burns P C, Percival J B |
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The Canadian Mineralogist 39 (2001) 809-818 |
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Alacranite, As4S4: A new occurrence, new formula, and determination |
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of the crystal structure |
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9.943 9.366 8.908 90 102.007 90 C2/c |
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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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As(1) .0001 .2058 .0562 .0452 .0479 .0500 .0365 -.0097 .0062 -.0095 |
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As(2) -.1596 .4024 .1278 .0453 .0353 .0476 .0476 .0001 -.0040 .0107 |
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S(1) 0 .0560 1/4 .049 .054 .034 .053 0 .006 0 |
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S(2) .2023 .3044 .1606 .0510 .035 .066 .054 -.007 .014 -.010 |
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S(3) 0 .5527 1/4 .057 .051 .034 .077 0 -.006 0 |
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| Download AMC data (View Text File)
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Alacranite |
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Porter E J, Sheldrick G M |
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Dalton Transactions 1972 (1972) 1347-1349 |
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Crystal structure of a new crystalline modification of tetra-arsenic |
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tetrasuphide (2,3,4,8-tetrathia1,2,3,7-tetra-arsatricyclo[3,3,0,0]-octane) |
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Locality: synthetic |
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9.957 9.335 8.889 90 102.48 90 C2/c |
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atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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As1 -.0012 -.2058 .0551 .0495 .0451 .0375 .0086 .0070 .0091 |
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As2 -.1599 -.4012 .1261 .0363 .0441 .0459 .0012 -.0038 -.0070 |
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S1 0 -.0531 .25 .0565 .0379 .0524 0 .0049 0 |
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S2 0 -.5522 .25 .0595 .0309 .0663 0 -.0002 0 |
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S3 -.2015 -.3048 .3406 .0420 .0619 .0591 -.0090 .0153 -.0133 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
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