Knowledge Bank

The rotational spectra of two isotopologues of N$\mathrm{<mrow\; data-mjx-texclass="ORD">2</mrow>}$$\cdots$ICF$\mathrm{<mrow\; data-mjx-texclass="ORD">3</mrow>}$ have been measured between 7 and 18.5 GHz by chirped-pulse Fourier transform microwave spectroscopy. The rotational constant, {\it{B}}$\mathrm{<mrow\; data-mjx-texclass="ORD">0</mrow>}$, the centrifugal distortion constants, {\it{D}} and {\it{D}}, and the nuclear quadrupole coupling constant of $\mathrm{<mrow\; data-mjx-texclass="ORD">127</mrow>}$I are precisely determined for isotopologues containing $\mathrm{<mrow\; data-mjx-texclass="ORD">14</mrow>}$N$\mathrm{<mrow\; data-mjx-texclass="ORD">2</mrow>}$ and $\mathrm{<mrow\; data-mjx-texclass="ORD">15</mrow>}$N$\mathrm{<mrow\; data-mjx-texclass="ORD">2</mrow>}$ respectively. The complex is a symmetric top and contains a linear arrangement of C, I, N(1) and N(2) atoms. The length of the halogen bond between N(1) and I will be presented. Experiments which exploit a Balle-Flygare FTMW spectrometer are currently in progress to determine the nuclear quadrupole coupling constants of the $\mathrm{<mrow\; data-mjx-texclass="ORD">14</mrow>}$N nuclei.