Sodium alum
Cromer D T, Kay M I, Larson A C
Acta Crystallographica 22 (1967) 182-187
Refinement of the alum structures. II. X-ray and neutron diffraction of
NaAl(SO4)2*12H2O, gamma alum
Locality: synthetic
_database_code_amcsd 0009306
CELL PARAMETERS: 12.2130 12.2130 12.2130 90.000 90.000 90.000
SPACE GROUP: Pa3
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1821.659
Density (g/cm3): 1.671
MAX. ABS. INTENSITY / VOLUME**2: 13.79002666
RIR: 2.688
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
12.55 6.72 7.0512 1 1 1 8
14.51 1.98 6.1065 2 0 0 6
16.23 3.21 5.4618 2 1 0 12
17.79 2.88 4.9859 2 1 1 24
20.57 100.00 4.3179 2 2 0 12
21.83 1.00 4.0710 2 2 1 24
24.17 2.41 3.6824 3 1 1 24
25.26 12.27 3.5256 2 2 2 8
26.31 3.46 3.3873 3 0 2 12
27.32 4.65 3.2641 3 1 2 24
29.25 5.85 3.0533 4 0 0 6
30.17 30.12 2.9621 4 1 0 12
30.17 4.45 2.9621 3 2 2 24
32.79 1.69 2.7309 4 2 0 12
33.63 1.77 2.6651 4 2 1 24
36.03 7.97 2.4930 4 2 2 24
37.55 1.88 2.3952 4 3 1 24
37.55 3.32 2.3952 4 1 3 24
39.74 2.61 2.2679 4 3 2 24
39.74 1.32 2.2679 5 0 2 12
41.84 2.80 2.1590 4 4 0 12
42.52 4.83 2.1260 5 2 2 24
43.19 1.66 2.0945 4 3 3 24
43.86 2.50 2.0644 5 1 3 24
45.16 1.02 2.0078 6 1 0 12
45.80 1.08 1.9812 6 1 1 24
45.80 3.79 1.9812 5 2 3 24
47.06 4.03 1.9310 6 0 2 12
47.06 1.94 1.9310 6 2 0 12
47.68 5.42 1.9074 6 1 2 24
47.68 1.22 1.9074 4 4 3 24
49.51 1.70 1.8412 6 2 2 24
50.70 1.81 1.8007 6 1 3 24
56.38 3.49 1.6320 6 4 2 24
56.38 3.64 1.6320 6 2 4 24
64.77 2.16 1.4393 8 2 2 24
68.75 1.00 1.3655 8 4 0 12
76.41 1.10 1.2465 8 4 4 24
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XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.