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使用单晶X射线方法确定苯7.2-硅沸石-1的结构。

Determining the structure of a benzene7.2-silicalite-1 zeolite using a single-crystal X-ray method.

作者信息

Kamiya Natsumi, Iwama Wataru, Kudo Tomokazu, Nasuno Tomomi, Fujiyama Shinjiro, Nishi Koji, Yokomori Yoshinobu

机构信息

Department of Applied Chemistry, National Defense Academy, Hashirimizu, Yokosuka 239-8686, Japan.

出版信息

Acta Crystallogr B. 2011 Dec;67(Pt 6):508-15. doi: 10.1107/S0108768111038560. Epub 2011 Oct 13.

DOI:10.1107/S0108768111038560
PMID:22101540
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3222141/
Abstract

A simple method for preparing orthorhombic single crystals of benzene-silicalite-1 was developed. A silicalite-1 crystal was pressed with a weight of 2 g along the +c and -c crystallographic axes while the temperature was increased to 473 K. The temperature was then slowly reduced to 313 K, and these heating and cooling steps were repeated three times. After the orthorhombic single crystals adsorbed benzene, the crystal structure of the resulting benzene-silicalite-1 was determined. There were two kinds of benzene molecules in the asymmetric unit. One was located at the intersection of the straight channels and the sinusoidal channels with the benzene ring parallel to the ac plane. The other benzene was located in the middle of the straight channel.

摘要

开发了一种制备正交晶系苯 - 硅沸石 - 1单晶的简单方法。将一块2克重的硅沸石 - 1晶体沿 +c 和 -c 晶轴方向施压，同时将温度升至473 K。然后将温度缓慢降至313 K，这些加热和冷却步骤重复三次。在正交晶系单晶吸附苯之后，测定所得苯 - 硅沸石 - 1的晶体结构。不对称单元中有两种苯分子。一种位于直通道与正弦通道的交叉处，苯环平行于ac平面。另一种苯位于直通道中间。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/13da3b65a55c/b-67-00508-fig11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/f2ea69426627/b-67-00508-fig1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/b28e019abeea/b-67-00508-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/eb88f692507a/b-67-00508-fig5.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/13da3b65a55c/b-67-00508-fig11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/f2ea69426627/b-67-00508-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/41613fa30686/b-67-00508-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/7e9243694e83/b-67-00508-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/b28e019abeea/b-67-00508-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/eb88f692507a/b-67-00508-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/ad3aa887f15d/b-67-00508-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/a87506caf078/b-67-00508-fig7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/27309fbf5ab6/b-67-00508-fig8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/bfa2920298a5/b-67-00508-fig9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/7f5801239bea/b-67-00508-fig10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5a9/3222141/13da3b65a55c/b-67-00508-fig11.jpg

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