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【請教】3個B類錯誤
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THETM01_ALERT_3_B The value of sine(theta_max)/wavelength is less than 0.575 Calculated sin(theta_max)/wavelength = 0.5572 -------------------------------------------------------------------------------- PLAT148_ALERT_3_B su on the a - Axis is Too Large (x 1000) . 12 Ang. PLAT148_ALERT_3_B su on the b - Axis is Too Large (x 1000) . 13 Ang. PLAT148_ALERT_3_B su on the c - Axis is Too Large (x 1000) . 14 Ang. -------------------------------------------------------------------------------- PLAT031_ALERT_4_B Refined Extinction Parameter within Range ...... 2.00 Sigma -------------------------------------------------------------------------------- |

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THETM01_ALERT_3_B The value of sine(theta_max)/wavelength is less than 0.575 Calculated sin(theta_max)/wavelength = 0.5572 對于這個錯誤你可能在ins文件中刪除的點或者角度范圍太大了,也就是可能你用了omit命令了 -------------------------------------------------------------------------------- PLAT148_ALERT_3_B su on the a - Axis is Too Large (x 1000) . 12 Ang. PLAT148_ALERT_3_B su on the b - Axis is Too Large (x 1000) . 13 Ang. PLAT148_ALERT_3_B su on the c - Axis is Too Large (x 1000) . 14 Ang. 對于這三個錯誤主要是收錄晶體還原數(shù)據(jù)時,最終的晶胞參數(shù)偏差太大造成的, 最好重新收錄,實在要消除也可以,就是在ins文件中把偏差改小,詳見下面的例子: TITL A in Pnma CELL 0.71073 12.1750 8.9250 8.9372 90.000 90.000 90.000 ZERR 8.00 0.0014 0.0008 0.0009 0.000 0.000 0.000 LATT 1 SYMM 0.5-X, -Y, 0.5+Z SYMM -X, 0.5+Y, -Z SYMM 0.5+X, 0.5-Y, 0.5-Z 在ZERR 后面的三個單包參數(shù)的下面對應的偏差改到0.00**就可以了 -------------------------------------------------------------------------------- PLAT031_ALERT_4_B Refined Extinction Parameter within Range ...... 2.00 Sigma 這個錯誤是系統(tǒng)消光的問題,把ins文件中exti0.0000這個刪除就可以了 |

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