\\ Species Tag: & 43002 & Name:& HNCO \\ Version: & 1 & & Isocyanic acid \\ Date: &July 1987 & & \\ Contributor:& R. L. Poynter & & \\ & & & \\ Lines Listed: & 6078 & Q(300.0)=& 7785.741 \\ Freq. (GHz) $<$ & 2997 & Q(225.0)=& 5123.892 \\ Max. J: & 47 & Q(150.0)=& 2802.206 \\ LOGSTR0= & -10.0 & Q(75.00)=& 992.888 \\ LOGSTR1= & -10.0 & Q(37.50)=& 352.614 \\ Isotope Corr.: & 0.0 & Q(18.75)=& 129.479 \\ Egy. (cm$^{-1}$) $>$& 0.0 & Q(9.375)=& 56.351 \\ $\mu_a$ = &1.6020 & A=&912711.435(197) \\ $\mu_b$ = &1.3500 & B=&11071.0098(9) \\ $\mu_c$ = & & C=&10910.5763(10) \headend The line measurements and dipole moment were taken from W. H. Hocking {\it et al.}, 1975, Can. J. Phys. {\bf 53}, 1869. Molecular beam measurements of the quadrupole components of the J = 1-0 rotational transition were taken from S. G. Kukolich {\it et al.}, 1971, J. Am. Chem. Soc. {\bf 93}, 6769.