Clinoenstatite
Tribaudino M, Nestola F, Camara F, Domeneghetti M C
American Mineralogist 87 (2002) 648-657
The high-temperature P2_1/c - C2/c phase transition in Fe-free pyroxene
(Ca.15Mg1.85Si2O6): Structural and thermodynamic behavior
Sample: dien2, T = 25 deg C
Locality: synthetic
_database_code_amcsd 0002801
CELL PARAMETERS: 9.6510 8.8460 5.2020 90.000 108.380 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 421.453
Density (g/cm3): 3.201
MAX. ABS. INTENSITY / VOLUME**2: 8.902181121
RIR: 0.906
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
20.08 6.95 4.4230 0 2 0 2
20.60 5.86 4.3108 0 1 1 4
25.14 1.80 3.5426 1 1 1 4
26.76 2.51 3.3310 -1 2 1 4
27.07 35.36 3.2942 0 2 1 4
28.05 34.99 3.1814 2 2 0 4
29.89 100.00 2.9889 -2 2 1 4
30.72 1.78 2.9109 1 2 1 4
30.88 27.20 2.8957 -3 1 1 4
30.99 57.99 2.8859 3 1 0 4
31.88 1.25 2.8068 1 3 0 4
35.22 23.70 2.5481 -1 3 1 4
35.46 7.90 2.5316 -2 0 2 2
35.46 6.78 2.5315 0 3 1 4
36.40 42.60 2.4683 0 0 2 2
36.81 22.21 2.4417 2 2 1 4
37.72 8.43 2.3848 -2 3 1 4
40.64 8.23 2.2197 3 1 1 4
40.75 7.20 2.2143 1 0 2 2
42.06 7.58 2.1480 1 1 2 4
42.55 29.88 2.1248 -3 3 1 4
42.63 1.76 2.1209 3 3 0 4
43.11 4.75 2.0984 -4 2 1 4
44.27 1.88 2.0461 -3 2 2 4
44.70 8.61 2.0274 -4 0 2 2
44.72 1.29 2.0266 -1 4 1 4
44.91 8.77 2.0182 0 4 1 4
45.55 3.67 1.9914 2 4 0 4
45.92 2.88 1.9761 -4 1 2 4
46.79 6.76 1.9415 -2 4 1 4
47.01 6.48 1.9331 2 0 2 2
49.15 2.31 1.8538 -4 3 1 4
50.91 5.38 1.7937 5 1 0 4
50.92 1.19 1.7933 -3 4 1 4
51.60 7.24 1.7713 2 2 2 4
51.75 1.82 1.7665 -5 2 1 4
51.80 3.24 1.7648 2 4 1 4
52.69 7.54 1.7371 1 5 0 4
53.31 1.79 1.7183 4 2 1 4
55.14 2.72 1.6655 -2 4 2 4
55.15 1.46 1.6655 0 5 1 4
55.42 2.50 1.6578 -3 1 3 4
55.76 6.46 1.6487 3 1 2 4
55.81 2.57 1.6471 0 4 2 4
57.10 23.67 1.6130 -5 3 1 4
57.11 18.72 1.6129 -2 2 3 4
57.60 1.18 1.6003 -1 2 3 4
57.93 1.04 1.5918 3 4 1 4
57.98 1.88 1.5907 4 4 0 4
58.57 1.10 1.5761 4 3 1 4
60.41 4.97 1.5322 -6 0 2 2
60.42 2.38 1.5322 -3 5 1 4
60.48 4.41 1.5307 3 5 0 4
60.67 4.34 1.5264 6 0 0 2
62.15 9.01 1.4935 -2 3 3 4
62.62 10.64 1.4835 -1 3 3 4
63.05 14.63 1.4743 0 6 0 2
63.54 3.30 1.4642 4 0 2 2
63.88 1.31 1.4573 -5 1 3 4
63.97 1.26 1.4554 2 4 2 4
64.34 2.08 1.4478 -6 2 2 4
64.84 3.05 1.4380 0 5 2 4
66.60 3.04 1.4041 -3 5 2 4
66.75 1.64 1.4013 -5 2 3 4
66.78 1.08 1.4008 3 5 1 4
67.80 1.02 1.3822 1 5 2 4
67.83 28.15 1.3817 5 3 1 4
68.85 4.99 1.3636 -2 4 3 4
68.87 3.87 1.3633 1 3 3 4
69.87 1.17 1.3462 2 2 3 4
69.96 3.30 1.3447 -7 0 2 2
70.88 7.29 1.3294 -7 1 2 4
71.41 2.92 1.3209 -5 3 3 4
71.46 2.02 1.3202 0 4 3 4
73.08 2.96 1.2948 -3 0 4 2
73.11 2.08 1.2943 7 1 0 4
73.72 1.96 1.2852 -2 1 4 4
74.36 2.61 1.2757 5 1 2 4
74.47 2.52 1.2740 -2 6 2 4
74.57 1.35 1.2725 5 5 0 4
75.04 3.14 1.2658 -4 0 4 2
75.04 8.94 1.2657 0 6 2 4
75.94 1.04 1.2530 -4 1 4 4
76.34 2.11 1.2475 -7 3 1 4
78.20 1.56 1.2223 0 1 4 4
78.29 1.68 1.2212 -3 5 3 4
78.57 6.34 1.2175 3 5 2 4
80.56 1.66 1.1924 -4 6 2 4
81.51 1.29 1.1809 3 3 3 4
82.17 1.36 1.1730 -5 2 4 4
82.24 1.15 1.1723 2 6 2 4
84.66 1.09 1.1448 8 0 0 2
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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.