Pyracmonite
Palmer K J, Wong R Y, Lee K S
Acta Crystallographica B28 (1972) 236-241
The crystal structure of ferric ammonium sulfate trihydrate, FeNH4(SO4)2*3H2O
Locality: synthetic
Note: y-coordinate of O10 altered to reproduce reported bond lengths
_database_code_amcsd 0009422
CELL PARAMETERS: 9.9820 10.1560 9.5040 90.000 94.950 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 959.895
Density (g/cm3): 2.214
MAX. ABS. INTENSITY / VOLUME**2: 12.11562646
RIR: 1.782
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
8.89 13.94 9.9448 1 0 0 2
12.46 100.00 7.1055 1 1 0 4
12.78 50.59 6.9256 0 1 1 4
15.12 6.34 5.8593 -1 1 1 4
18.74 1.16 4.7343 0 0 2 2
19.63 41.81 4.5225 1 2 0 4
19.88 1.74 4.4659 2 1 0 4
21.33 6.27 4.1656 -2 1 1 4
21.44 21.24 4.1447 -1 2 1 4
22.11 12.38 4.0200 1 2 1 4
22.66 7.47 3.9235 2 1 1 4
23.21 4.65 3.8323 1 1 2 4
24.82 14.68 3.5868 -2 0 2 2
25.06 2.16 3.5528 2 2 0 4
25.73 2.66 3.4628 0 2 2 4
26.24 7.17 3.3959 -2 2 1 4
26.35 30.69 3.3820 -2 1 2 4
26.72 7.15 3.3362 -1 2 2 4
26.90 6.30 3.3149 3 0 0 2
27.10 27.03 3.2899 2 0 2 2
27.81 41.40 3.2079 1 2 2 4
28.32 1.41 3.1513 3 1 0 4
28.52 4.09 3.1298 2 1 2 4
29.64 1.94 3.0140 0 1 3 4
29.68 1.19 3.0103 1 3 1 4
30.27 1.76 2.9528 -1 1 3 4
30.51 9.72 2.9296 -2 2 2 4
30.63 3.79 2.9192 3 1 1 4
31.58 2.51 2.8327 -3 0 2 2
31.98 4.63 2.7983 2 3 0 4
32.43 1.35 2.7611 2 2 2 4
32.51 1.03 2.7537 0 3 2 4
32.82 2.11 2.7286 -3 1 2 4
32.93 6.34 2.7197 -2 3 1 4
32.96 4.31 2.7172 -3 2 1 4
33.32 1.89 2.6888 -1 3 2 4
33.43 4.33 2.6806 0 2 3 4
33.47 5.08 2.6771 -2 1 3 4
33.84 1.98 2.6489 2 3 1 4
34.22 2.30 2.6203 1 3 2 4
34.32 6.20 2.6132 3 2 1 4
34.34 1.69 2.6116 3 0 2 2
35.31 1.02 2.5418 1 2 3 4
35.35 1.98 2.5390 0 4 0 2
36.64 1.99 2.4524 0 4 1 4
37.23 3.54 2.4149 4 1 0 4
37.99 7.49 2.3685 3 3 0 4
38.01 2.86 2.3671 0 0 4 2
38.32 3.39 2.3489 -1 0 4 2
39.07 2.89 2.3053 0 1 4 4
39.37 3.02 2.2885 -1 1 4 4
39.51 3.52 2.2807 -1 3 3 4
39.80 1.54 2.2651 3 3 1 4
39.87 1.56 2.2613 2 4 0 4
40.31 3.41 2.2375 0 4 2 4
40.66 1.23 2.2192 -2 4 1 4
41.42 1.31 2.1802 2 4 1 4
41.75 1.21 2.1633 -3 2 3 4
42.30 3.70 2.1366 4 2 1 4
43.78 2.29 2.0678 3 3 2 4
44.67 1.41 2.0285 -2 2 4 4
44.97 6.45 2.0157 3 4 0 4
45.11 1.41 2.0100 2 4 2 4
45.25 2.97 2.0039 4 3 0 4
45.62 1.46 1.9887 -4 3 1 4
48.05 5.29 1.8934 -4 2 3 4
48.93 2.80 1.8616 0 1 5 4
48.95 1.44 1.8609 -5 1 2 4
49.40 1.71 1.8447 4 1 3 4
49.74 1.76 1.8330 2 5 1 4
50.02 1.95 1.8234 1 5 2 4
50.69 1.66 1.8010 4 3 2 4
51.44 1.66 1.7764 4 4 0 4
51.59 1.05 1.7717 -1 2 5 4
52.59 2.22 1.7401 3 2 4 4
52.86 1.43 1.7319 3 5 0 4
52.98 1.07 1.7284 -3 3 4 4
53.40 3.19 1.7156 -2 2 5 4
53.66 2.97 1.7081 0 5 3 4
56.64 1.12 1.6250 3 3 4 4
57.45 3.44 1.6040 2 4 4 4
57.93 1.23 1.5919 -5 0 4 2
58.22 1.55 1.5847 -4 3 4 4
58.60 1.06 1.5753 -6 2 1 4
60.70 1.74 1.5257 -3 3 5 4
60.92 1.70 1.5208 1 1 6 4
61.06 2.99 1.5176 -5 4 2 4
62.59 1.84 1.4841 -1 6 3 4
63.35 1.66 1.4681 2 0 6 2
63.43 1.18 1.4664 1 6 3 4
63.87 2.06 1.4573 5 4 2 4
64.11 1.49 1.4527 -6 3 2 4
65.73 1.04 1.4206 -5 1 5 4
70.88 1.11 1.3295 7 0 2 2
74.91 1.07 1.2676 2 1 7 4
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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.