Abstract
Self-association system of (R)-1,3-butanediol in dilute carbon tetrachloride (CCl4) solution is studied as a model of molecular association mixture. Analysis methods including FSMWEFA (fixed-size moving window evolving factor analysis) combined with PCA (principal component analysis), SIMPLISMA (simple-to-use interactive self-modeling mixture analysis), and ITTFA (iterative target transformation factor analysis) are adopted to resolve infrared spectra of (R)-1,3-butanediol solution. Association number and equilibrium constant are computed. (R)-1,3-butanediol in dilute inert solution is determined as a monomer-trimer equilibrium system. Theoretical investigation of trimer structures is carried out with DFT (density functional theory), and structural factors are analyzed.
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Supported by the National Natural Science Foundation of China and the Yellow River Water Conservancy Commission (Grant Nos. 50239080 and 40271019)
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Ni, Y., Dou, X., Zhao, H. et al. Study on multimers and their structures in molecular association mixture. SCI CHINA SER B 50, 23–31 (2007). https://doi.org/10.1007/s11426-007-0019-7
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DOI: https://doi.org/10.1007/s11426-007-0019-7