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Zero Electron Kinetic Energy Spectroscopy and Theoretical Calculations of InNH_3

机译:InNH_3的零电子动能谱和理论计算

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InNH_3 has been studied with single-photon zero electronkinetic energy(ZEKE) spectroscopy and density functional theory and ab initio calculations.The ZEKE spectrum reveals vibrational structures of the cation and neutral complexes.The comparison of the experiment and theory establishes that the indium-ammonia complex is a simple adduct.The adduct has a C_3v ~1A_1 ground statein the ion and a C_5 ~2A' ground state in the neutral.The lower symmetry of the neutral molecule arises from a Jahn-Teller distortion.The ionization energy of the ~2A'state is 39 689(3) cm`(-1).The indium-ammonia stretch frequency is 234 cm~(-1) in the 1~A_1 state and 141 cm~(-1) in the ~2A' state is .The stronger metal-ligand bonding inthe ion state is attributedto the additional charge-dipole and covalent interactions.
机译:用单光子零电子动能(ZEKE)光谱和密度泛函理论以及从头算的方法研究了InNH_3.ZEKE光谱揭示了阳离子和中性配合物的振动结构。实验与理论的比较建立了铟-氨络合物是一个简单的加合物,加合物在离子中具有C_3v〜1A_1基态,在中性离子中具有C_5〜2A'基态,中性分子的较低对称性是由Jahn-Teller畸变引起的。 2A'状态为39 689(3)cm`(-1).1〜A_1状态下的铟氨拉伸频率为234 cm〜(-1),〜2A'状态下为141 cm〜(-1)在离子状态下较强的金属-配体键合归因于额外的电荷-偶极子和共价相互作用。

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