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ÈçÏ£¬Á½¸öSiO2µÄ¿¨Æ¬£¬¸÷ÊÇʲô½á¹¹µÄ£¿ PDF#39-1425: QM=Common(+); d=Diffractometer; I=(Unknown) Cristobalite, syn SiO2 Radiation=CuKa1 Lambda=1.5406 Filter= Calibration= 2T=21.984-89.277 I/Ic(RIR)= Ref: Level-1 PDF Tetragonal, P41212(92) Z=4 mp= CELL: 4.9732 x 4.9732 x 6.9236 <90.0 x 90.0 x 90.0> P.S= Density(c)=2.331 Density(m)= Mwt= Vol=171.2 Ref: Ibid. Strong Lines: 4.04/X 2.49/1 2.84/1 3.14/1 2-Theta d(A) I(f) ( h k l ) Theta 1/(2d) 2pi/d 21.984 4.0397 100 ( 1 0 1) 10.992 0.1238 1.5553 25.319 3.5147 1 ( 1 1 0) 12.66 0.1423 1.7877 28.438 3.1359 8 ( 1 1 1) 14.219 0.1594 2.0036 31.461 2.8412 9 ( 1 0 2) 15.731 0.176 2.2115 36.079 2.4874 13 ( 2 0 0) 18.04 0.201 2.5260 36.38 2.4675 4 ( 1 1 2) 18.19 0.2026 2.5464 38.409 2.3417 1 ( 2 0 1) 19.204 0.2135 2.6832 PDF#65-0466: QM=Calculated; d=Calculated; I=Calculated Quartz low, syn Si O2 Radiation=CuKa1 Lambda=1.54060 Filter= Calibration= d-Cutoff= I/Ic(RIR)=3.32 Ref= Calculated from NIST using POWD-12++ Hexagonal - (Unknown), P3221 (154) Z=3 mp= Cell=4.9141x5.406 Pearson=hP9 (O2 Si) Density(c)=2.647 Density(m)=3.56A Mwt=60.08 Vol=113.06 F(30)=999.9(.0000,30) Ref= G.A.Lager, J.D.Jorgensen & F.J.Rotella American Inst. of Phys., Conference Proceedings 75-77 (1982) Strong Line: 3.34/X 4.26/2 1.82/1 2.46/1 2.28/1 1.54/1 1.38/1 2.13/1 1.37/1 1.67/1 NOTE: N 26666 24780 No TF given for entry, B=1.0 assumed 2-Theta d(A) I(f) I(v) ( h k l ) Theta 1/(2d) 2pi/d 20.856 4.256 16.8 13.2 £¨1£¬0£¬0£© 10.428 0.117 1.476 26.636 3.344 100 100 £¨1£¬0£¬1£© 13.318 0.15 1.879 36.54 2.457 5.3 7.2 £¨1£¬1£¬0£© 18.27 0.203 2.557 39.461 2.282 4.7 6.9 £¨0£¬1£¬2£© 19.73 0.219 2.754 40.285 2.237 0.9 1.3 £¨1£¬1£¬1£© 20.143 0.224 2.809 42.446 2.128 3.7 5.8 £¨2£¬0£¬0£© 21.223 0.235 2.953 45.788 1.98 1.4 2.4 £¨2£¬0£¬1£© 22.894 0.253 3.173 50.132 1.818 11.9 21.9 £¨1£¬1£¬2£© 25.066 0.275 3.456 |
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