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zy0340907木虫 (正式写手)
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[求助]
求精修晶体已有2人参与
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| 请消除A,B级错误,将wR2值降到0.18以下。 |
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2015-06-23 22:52:57, 292.6 K
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2楼2015-06-23 23:16:06
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zy0340907: 金币+50, ★有帮助 2015-06-24 22:04:00
感谢参与,应助指数 +1
zy0340907: 金币+50, ★有帮助 2015-06-24 22:04:00
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这个数据我也只精修到了R2=0.21,对于这种柔性链的连续无序,本身就不太好精修,所以R2稍微高一些应该也能接受。但那个A类错误还是比较严重的。 Bond precision: C-C = 0.0072 A Wavelength=0.71073 Cell: a=6.610(3) b=21.640(9) c=16.734(7) alpha=90 beta=94.230(7) gamma=90 Temperature: 298 K Calculated Reported Volume 2387.1(18) 2387.3(17) Space group P 21/n ? Hall group -P 2yn ? Moiety formula C23 H29 N3 O2 S2 ? Sum formula C23 H29 N3 O2 S2 C23 H29 N3 O2 S2 Mr 443.61 443.61 Dx,g cm-3 1.234 1.234 Z 4 4 Mu (mm-1) 0.246 0.246 F000 944.0 944.0 F000' 945.31 h,k,lmax 6,22,17 6,22,17 Nref 2785 2766 Tmin,Tmax 0.971,0.976 0.952,0.976 Tmin' 0.952 Correction method= # Reported T Limits: Tmin=0.952 Tmax=0.976 AbsCorr = ? Data completeness= 0.993 Theta(max)= 21.620 R(reflections)= 0.0640( 1640) wR2(reflections)= 0.2155( 2766) S = 1.028 Npar= 363 The following ALERTS were generated. Each ALERT has the format test-name_ALERT_alert-type_alert-level. Click on the hyperlinks for more details of the test. Alert level A SYMM001_ALERT_1_A _symmetry_cell_setting is missing The cell setting should be one of the following * triclinic * monoclinic * orthorhombic * tetragonal * rhombohedral * trigonal * hexagonal * cubic The following tests will not be performed. SYMMS_01,SYMMS_02 EXPT005_ALERT_1_A _exptl_crystal_description is missing Crystal habit description. The following tests will not be performed. CRYSR_01 DIFF003_ALERT_1_A _diffrn_measurement_device_type is missing Diffractometer make and type. Replaces _diffrn_measurement_type. THETM01_ALERT_3_A The value of sine(theta_max)/wavelength is less than 0.550 Calculated sin(theta_max)/wavelength = 0.5184 PLAT122_ALERT_1_A No _symmetry_space_group_name_H-M Given ........ Please Do ! Alert level B PLAT088_ALERT_3_B Poor Data / Parameter Ratio .................... 7.67 Note |
3楼2015-06-24 09:05:37
zy0340907
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4楼2015-06-24 22:04:22













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