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wjy1980鐵桿木蟲 (著名寫手)
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[求助]
請(qǐng)高手根據(jù)意見幫忙精修晶體數(shù)據(jù) 已有1人參與
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本人對(duì)晶體解析一點(diǎn)兒都不懂,最近投的文章有如下的修改意見,請(qǐng)高手根據(jù)意見幫忙精修cif文件 1. The unusual U(H) = 1.75 Ueq(O) for water hydrogens is caused by malplaced atoms in the ins file: C13 1 0.733264 0.869525 0.667511 11.00000 0.03971 0.04136 = 0.04872 -0.02070 -0.00202 -0.01840 H3A 2 0.813456 0.458071 0.653531 11.00000 -1.50000 H3B 2 0.949181 0.532436 0.636467 11.00000 -1.50000 so the hydrogen atoms isotropical parameters are U(H) = 1.5 Ueq(C13). Move atoms H13A and H13B directly after atom O3 and re-refine, update the cif and upload it as well as the structure factor file fcf. 2. The restraints imposed to water molecule hydrogens by commands DFIX 0.85 0.01 H3a O3 H3b O3 and DFIX 1.39 0.01 H3a H3b are causing no rigid model restraints, but restraints to O-H distance 0.85(1)\%A and H...H distance restraint 1.39(1)\%A with and additional contraints U(H) = 1.5 Ueq(O3). 有應(yīng)助者,請(qǐng)留郵箱或者站內(nèi)聯(lián)系,謝謝! |
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