Moganite
Heaney P J, Post J E
American Mineralogist 86 (2001) 1358-1366
Evidence for an I2/a to Imab phase transition in the silica
polymorph moganite at ~570 K
Sample: T = 298 K, neutron
_database_code_amcsd 0002737
CELL PARAMETERS: 8.7371 4.8692 10.7217 90.000 90.193 90.000
SPACE GROUP: I2/a
X-RAY WAVELENGTH: 1.541838
Cell Volume: 456.127
Density (g/cm3): 2.624
MAX. ABS. INTENSITY / VOLUME**2: 11.10639620
RIR: 1.378
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
20.03 42.32 4.4334 0 1 1 4
20.33 24.02 4.3685 2 0 0 2
26.27 44.92 3.3921 -2 0 2 2
26.36 77.61 3.3809 2 0 2 2
26.73 100.00 3.3346 -1 1 2 4
26.78 47.92 3.3293 1 1 2 4
28.67 20.45 3.1139 -2 1 1 4
28.71 17.15 3.1095 2 1 1 4
31.04 16.52 2.8811 0 1 3 4
36.92 7.91 2.4346 0 2 0 2
37.44 2.39 2.4021 2 1 3 4
39.32 3.37 2.2915 -1 2 1 4
39.33 5.81 2.2906 1 2 1 4
39.38 5.66 2.2881 -2 0 4 2
39.78 4.98 2.2660 1 1 4 4
41.33 7.44 2.1843 4 0 0 2
42.51 8.86 2.1266 2 2 0 4
44.75 3.39 2.0252 -4 0 2 2
44.86 2.63 2.0204 4 0 2 2
46.28 1.01 1.9616 -1 2 3 4
46.37 3.02 1.9583 4 1 1 4
49.81 11.41 1.8306 -3 1 4 4
49.96 11.38 1.8254 3 1 4 4
50.65 12.03 1.8022 0 2 4 4
50.95 4.56 1.7922 -2 1 5 4
51.08 2.66 1.7881 2 1 5 4
51.12 1.12 1.7869 0 0 6 2
52.50 2.98 1.7429 -4 1 3 4
52.65 3.07 1.7383 4 1 3 4
54.26 3.21 1.6905 4 0 4 2
55.46 2.56 1.6569 -3 2 3 4
55.56 1.85 1.6540 3 2 3 4
55.64 2.18 1.6520 2 0 6 2
58.28 1.32 1.5833 -1 2 5 4
58.66 2.12 1.5738 -5 1 2 4
58.78 1.96 1.5710 5 1 2 4
59.36 4.08 1.5569 -4 2 2 4
59.45 3.68 1.5548 4 2 2 4
60.53 5.54 1.5297 -1 3 2 4
60.55 5.13 1.5292 1 3 2 4
62.89 1.25 1.4778 0 3 3 4
63.69 1.74 1.4611 0 1 7 4
63.93 2.06 1.4562 6 0 0 2
66.61 4.12 1.4041 6 0 2 2
66.62 1.43 1.4038 -5 1 4 4
66.83 2.10 1.3999 5 1 4 4
67.28 2.82 1.3916 -4 2 4 4
67.45 1.34 1.3886 4 2 4 4
67.62 6.50 1.3854 -4 0 6 2
67.88 2.30 1.3808 4 0 6 2
68.40 3.14 1.3715 -1 3 4 4
68.42 4.33 1.3712 -3 3 2 4
68.53 3.19 1.3692 -2 2 6 4
68.66 8.83 1.3670 2 2 6 4
73.12 1.03 1.2941 0 3 5 4
73.16 1.13 1.2936 -4 3 1 4
73.90 1.80 1.2825 -2 0 8 2
73.98 1.42 1.2814 -6 0 4 2
74.23 1.65 1.2776 1 1 8 4
75.86 2.26 1.2541 -3 3 4 4
75.98 4.24 1.2524 3 3 4 4
76.18 3.42 1.2497 6 2 0 4
76.87 1.18 1.2402 2 3 5 4
78.02 1.11 1.2248 -4 3 3 4
78.59 1.66 1.2173 0 4 0 2
78.67 1.44 1.2162 -4 1 7 4
79.23 1.08 1.2091 7 1 0 4
79.62 1.07 1.2041 -4 2 6 4
79.86 1.03 1.2011 4 2 6 4
80.77 1.34 1.1899 1 3 6 4
80.82 1.40 1.1892 5 3 0 4
81.37 1.52 1.1825 -3 1 8 4
81.56 1.03 1.1803 -7 1 2 4
81.61 2.93 1.1797 3 1 8 4
81.70 2.05 1.1786 7 1 2 4
82.09 1.86 1.1741 0 2 8 4
82.34 1.11 1.1711 -6 1 5 4
84.57 1.42 1.1458 -2 4 2 4
87.30 1.04 1.1169 3 4 1 4
89.80 1.36 1.0921 8 0 0 2
================================================================================
XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.