The molecular structures of three ethylanilines,ortho-,meta-and para-ethylaniline,have been obtained by means of Fourier-transform microwave spectroscopy.Rotational spectra of all three molecules display the nuclear q...The molecular structures of three ethylanilines,ortho-,meta-and para-ethylaniline,have been obtained by means of Fourier-transform microwave spectroscopy.Rotational spectra of all three molecules display the nuclear quadrupole hyperfine structures arising from the 14N nucleus.Comparison of the determined structures allows a direct study of the influence of the position of the ethyl substituent on the structure of the amino group communicated through the phenyl ring.展开更多
基金Chongqing University under the Program of the Foundation of 100 Young,the Fundamental Research Funds for the Central Universities(No.2018CDQYHG0009)the National Natural Science Foundation of China(No.21703021 and No.U1931104)+1 种基金the Natural Science Foundation of Chongqing,China(No.cstc2017jcyjAX0068 and No.cstc2018jcyjAX0050)Venture&Innovation Support Program for Chongqing Oversea Returns(No.cx2018064).Juan Wang also thanks the China Scholarship Council(CSC)for the financial support.The Deutsche Forschungsgemeinschaft(DFG)and the Land Niedersachsen aided the work in Hannover.
文摘The molecular structures of three ethylanilines,ortho-,meta-and para-ethylaniline,have been obtained by means of Fourier-transform microwave spectroscopy.Rotational spectra of all three molecules display the nuclear quadrupole hyperfine structures arising from the 14N nucleus.Comparison of the determined structures allows a direct study of the influence of the position of the ethyl substituent on the structure of the amino group communicated through the phenyl ring.