首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >The badger-bauer rule revisited: Correlation of proper blue frequency shifts in the OC hydrogen acceptor with morphed hydrogen bond dissociation energies in OC-HX (X = F, Cl, Br, I, CN, CCH)
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The badger-bauer rule revisited: Correlation of proper blue frequency shifts in the OC hydrogen acceptor with morphed hydrogen bond dissociation energies in OC-HX (X = F, Cl, Br, I, CN, CCH)

机译:重新探讨了Badr-bauer规则:OC-HX中OC氢受体中适当的蓝色频移与变形的氢键解离能相关(X = F,Cl,Br,I,CN,CCH)

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摘要

Potential morphing has been applied to the investigation of proper blue frequency shifts, Δν_0 in CO, the hydrogen acceptor complexing in the hydrogen bonded series OC-HX (X= F, Cl, Br, I, CN, CCH). Linear correlations of morphed hydrogen bonded ground dissociation energies D_0 with experimentally determined Δν0 free from matrix and solvent effects demonstrate consistency with original tenets of the Badger-Bauer rule (J. Chem. Phys. 1937, 5, 839-51). A model is developed that provides a basis for explaining the observed linear correlations in the range of systems studied. Furthermore, the generated calibration curve enables prediction of dissociation energies for other related but different complexes. The latter include D_0 for H_2O-CO, H_2S-CO, and CH_3OH-CO which are predicted by interpolation and found to be 355(13), 171(11), and 377(14) cm~(-1) respectively from available experimentally determined proton acceptor shifts. Results from this study will also be discussed in relation to investigations in which CO has been used as a probe of heme protein active sites.
机译:潜在的形变已应用于研究适当的蓝色频移,CO中的Δν_0,氢键系列OC-HX(X = F,Cl,Br,I,CN,CCH)中的氢受体配合物。变形的氢键结合的离解能D_0与实验确定的Δν0的线性相关性不受基质和溶剂的影响,证明与Badger-Bauer规则的原始原理一致(J. Chem。Phys。1937,5,839-51)。开发了一个模型,该模型为解释在研究的系统范围内观察到的线性相关性提供了基础。此外,所生成的校准曲线使得能够预测其他相关但不同的络合物的解离能。后者包括通过内插法预测的H_2O-CO,H_2S-CO和CH_3OH-CO的D_0,分别为355(13),171(11)和377(14)cm〜(-1)。实验确定的质子受体位移。该研究的结果还将与其中CO被用作血红素蛋白活性位点探针的研究相关地进行讨论。

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