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qinshihuang木蟲 (正式寫手)
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[求助]
跪求大神幫忙解決A類錯誤
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請高手解了好久,感覺已經(jīng)沒什么問題了,仍然存在一個A類錯誤,不知道還能不能解決啊,是不是不解決就一定不能發(fā)文章了,請大神幫忙啊 Alert level A PLAT601_ALERT_2_A Structure Contains Solvent Accessible VOIDS of . 417 A**3 PLAT601 -------------------------------------------------------------------------------- PLAT601 Type_2 Test for (Unreported) solvent accessible voids -------------------------------------------------------------------------------- Crystal structures in general do not contain large solvent accessible voids in the lattice. Most structures lose their long-range ordering when solvent molecules leave the crystal. Only when the remaining network is strongly bonded (e.g. zeolites and some hydrogen bonded networks) the crystal structure may survive. Residual voids in a structure may indicate the omission of (disordered) density from the model. Disordered density may go undetected when smeared since peak search programs are not designed to locate maxima on density ridges. The presence or absence of residual density in the void may be verified on a printed/plotted difference Fourier map or with PLATON/SQUEEZE. Voids of 40 Ang**3 may accommodate H2O. Small molecules such as Tetrahydrofuran have typical volumes in the 100 to 200 Ang**3 range. This test reports the volume of the largest solvent accessible void in the structure. A paper reporting a crystal structure with a significant solvent accessible void should at the least discuss the issue. 這該如何解決啊,這個晶體是用高溫固相合成的,怎么會存在什么溶劑分子啊,更不會有H鍵啊,難道就不能存在一個很大的孔洞嗎,真的不知道該怎么解決了,還請大神幫忙,這個晶體是頂著各種壓力才做出來的,不能半途而廢啊 |
木蟲 (正式寫手)
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