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qzhaosdu: ½ð±Ò+20, лл£¬Õâ¸ö¾ÍÊÇÄܲ鵽±»SCIÊÕ¼ÁËÊǰɣ¿ 2012-11-17 14:34:06
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Influence of Transition Metal M (M=Cu, Ag, Au) on the Strength of Halogen Bonding Interaction X center dot center dot center dot Cl (X=F, Cl, Br) ×÷Õß: Zhao, Q (Zhao Qiang)1; Feng, DC (Feng Da-Cheng)2 À´Ô´³ö°æÎï: ACTA PHYSICO-CHIMICA SINICA ¾í: 28 ÆÚ: 6 Ò³: 1361-1367 DOI: 10.3866/PKU.WHXB201203261 ³ö°æÄê: JUN 2012 ±»ÒýƵ´Î: 0 (À´×Ô Web of Science) ÒýÓõIJο¼ÎÄÏ×: 34 [ ²é¿´ Related Records ] ÒýÖ¤¹ØÏµÍ¼ÒýÖ¤¹ØÏµÍ¼ ÕªÒª: Intermolecular complexes of MCH2X center dot center dot center dot CIF (M=Cu, Ag, Au; X = F, Cl, Br) and CH3X center dot center dot center dot CIF were investigated using by quantum chemistry method. Only one stable structure containing a halogen bond was obtained for the CH3X center dot center dot center dot CIF complexes. For the MCH2X center dot center dot center dot CIF complexes, as well as the halogen-bonded complex, another optimized structure containing both a halogen bond and M center dot center dot center dot Cl interaction was determined. The stability of the MCH2X center dot center dot center dot CIF complexes was greater than that of the CH3X center dot center dot center dot CIF complexes. Substitution with M improves the stability of the resulting complex with the order Ag>Cu>Au. The most negative molecular electrostatic potential of X in MCH2X and CH3X was calculated, and the decrease of this value is the main reason for the enhanced stability of these complexes. The characteristics of these complexes were also studied by natural bond orbital and atoms in molecules methods. The second-order perturbation energy and topological properties of the saddle points were calculated and the results were consistent with the interaction energy. Èë²ØºÅ: WOS:000305035700010 ÎÄÏ×ÀàÐÍ: Article ÓïÖÖ: Chinese ×÷Õ߹ؼü´Ê: Halogen bond; Transition metal; Enhancing effect; Stability KeyWords Plus: INTERMOLECULAR INTERACTIONS; ELECTRON-DENSITY; MOLECULES; NETWORKS; ATOMS ͨѶ×÷ÕßµØÖ·: Zhao, Q (ͨѶ×÷Õß),Zibo Vocat Inst, Dept Chem Engn, Zibo 255314, Shandong, Peoples R China. µØÖ·: 1. Zibo Vocat Inst, Dept Chem Engn, Zibo 255314, Shandong, Peoples R China 2. Shandong Univ, Inst Theoret Chem, Jinan 250100, Peoples R China µç×ÓÓʼþµØÖ·: qzhaochem@yahoo.cn ³ö°æÉÌ: PEKING UNIV PRESS, PEKING UNIV, CHEMISTRY BUILDING, BEIJING 100871, PEOPLES R CHINA Web of Science Àà±ð: Chemistry, Physical Ñо¿·½Ïò: Chemistry IDS ºÅ: 955QJ ISSN: 1000-6818 |

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