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首页> 外文期刊>Journal of chemical crystallography >Synthesis, Crystal Structure, Infrared spectroscopy and Hirshfeld Surface Analysis of a New Organic-Inorganic Hybrid Compound: Quinolinium Dihydrogenphosphate
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Synthesis, Crystal Structure, Infrared spectroscopy and Hirshfeld Surface Analysis of a New Organic-Inorganic Hybrid Compound: Quinolinium Dihydrogenphosphate

机译:新型有机-无机杂化化合物:磷酸二氢喹啉鎓的合成,晶体结构,红外光谱和Hirshfeld表面分析

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The crystal structure of a new organic-inorganic hybrid compound [C9H8N](H2PO4), was determined. The new quinolinium dihydrogenphosphate has been synthesized and single crystals were grown from aqueous solution by slow evaporation technique. Single crystal X-ray diffraction study on grown crystal reveals that they belong to triclinic crystal system with space group P . The unit cell dimensions are: a = 7.5866(9) , b = 8.0105(9) , c = 8.7048(9) , alpha = 77.379(4)A degrees, beta A = 82.520(4)A degrees, gamma A = 74.867(5)A degrees with V = 496.82(10) (3) and Z = 2. The structure has been solved using a direct method and refined to a reliability R factor of 0.032. The structure is built up from anionic C (2) (2) (6) motifs parallel to the a-axis. These chains are interconnected by the organic cations via R (3) (2) (8) motif hydrogen bonds so as to build a three dimensional network. FT-IR spectrum confirms the presence of the functional groups in the synthesized material. Three-dimensional Hirshfeld surface analysis and two-dimensional fingerprint maps reveal that the structure is dominated by H center dot center dot center dot O/O center dot center dot center dot H and H center dot center dot center dot H contacts. The strongest hydrogen-bonding interactions are linked with O-H center dot center dot center dot O and N-H center dot center dot center dot O consisting the highest fraction of 40 % followed by these of the H center dot center dot center dot H type contributing 35.1 %. Other close contacts are present, counting C-H/H center dot center dot center dot C, C center dot center dot center dot C and C center dot center dot center dot N/N center dot center dot center dot C contacts.
机译:确定了一种新的有机-无机杂化化合物[C9H8N](H2PO4)的晶体结构。合成了新型的磷酸二氢喹啉鎓,并通过缓慢蒸发技术从水溶液中生长出单晶。对生长晶体的单晶X射线衍射研究表明,它们属于空间群为P的三斜晶系​​。晶胞尺寸为:a = 7.5866(9),b = 8.0105(9),c = 8.7048(9),alpha = 77.379(4)A度,beta A = 82.520(4)A度,γA = 74.867 (5)V = 496.82(10)(3)且Z = 2的度。使用直接方法求解了结构,并将其精炼为可靠性R因子0.032。该结构由平行于a轴的阴离子C(2)(2)(6)图案构成。这些链通过R(3)(2)(8)基序氢键通过有机阳离子相互连接,从而构建三维网络。 FT-IR光谱证实了合成材料中官能团的存在。三维Hirshfeld表面分析和二维指纹图显示该结构由H中心点中心点中心点O / O中心点中心点中心点H和H中心点中心点中心点H支配。氢键相互作用最强的是OH中心点中心点中心点O和NH中心点中心点中心点O所占比例最高,为40%,其次是H中心点中心点中心点H型,占35.1% 。存在其他紧密接触,计算C-H / H中心点中心点中心点C,C中心点中心点中心点C和C中心点中心点中心点N / N中心点中心点中心点C触点。

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