Publications 1999 LABORATORY DETECTION OF THE RING-CHAIN CARBENES HC4N AND HC6N M. C. McCarthy, J. -U. Grabow, M. J. Travers, W. Chen, C. A. Gottlieb, and P. Thaddeus The Astrophysical Journal, 513: 305-310, 1999 link to paper RHOMBOIDAL SiC3 M. C. McCarthy, A. J. Apponi, and P. Thaddeus Journal of Chemical Physics, 110: 10645-10648, 1999 link to paper THE ROTATIONAL SPECTRUM OF RHOMBOIDAL SiC3 A. J. Apponi, M. C. McCarthy, C. A. Gottlieb, and P. Thaddeus Journal of Chemical Physics, 111: 3911-3918, 1999 link to paper ASTRONOMICAL DETECTION OF RHOMBOIDAL SiC3 A. J. Apponi, M. C. McCarthy, C. A. Gottlieb, and P. Thaddeus The Astrophysical Journal, 516: L103-L106, 1999 link to paper RHOMBOIDAL SiC3 M. C. McCarthy, A. J. Apponi, and P. Thaddeus Journal of Chemical Physics, 110: 10645-10648, 1999 link to paper OBSERVATIONS OF LONG CnH MOLECULES IN THE DUST CLOUD TMC-1 M. B. Bell, P. A. Feldman, J. K. G. Watson, M. C. McCarthy, M. J. Travers, C. A. Gottlieb, and P. Thaddeus The Astrophysical Journal, 518: 740-747, 1999 link to paper HYPERFINE STRUCTURE OF THE C5H, C6H, AND C8H RADICALS M. C. McCarthy, W. Chen, A. J. Apponi, C. A. Gottlieb, and P. Thaddeus The Astrophysical Journal, 520: 158-161, 1999 link to paper LASER SPECTROSCOPY OF THE CARBON CHAINS HC7H, AND HC9H C. D. Ball, M. C. McCarthy, and P. Thaddeus The Astrophysical Journal, 523: L89-L91, 1999 link to paper ROTATIONAL SPECTRUM AND THEORETICAL STRUCTURE OF THE CARBENE HC4N M. C. McCarthy, A. J. Apponi, V. D. Gordon, C. A. Gottlieb, P. Thaddeus, T. Daniel Crawford, and John F. Stanton Journal of Chemical Physics, 111: 6750-6754, 1999 link to paper A SECOND RHOMBOIDAL ISOMER OF SiC3 M. C. McCarthy, A. J. Apponi, and P. Thaddeus Journal of Chemical Physics, 111: 7175-7178, 1999 link to paper MICROWAVE SPECTRA OF THE METHYLPOLYYNES CH3(CC)6H AND CH3(CC)7H Wei Chen, M. C. McCarthy, Stewart E. Novick, and P. Thaddeus Journal of Molecular Spectroscopy, 196: 335- 337, 1999 link to paper ELECTRONIC GROUND AND EXCITED STATE SPECTROSCOPY OF C6H AND C6D H. Linnartz, T. Motylewski, O. Vaizert, J. P. Maier, A.J. Apponi, M.C. McCarthy C.A. Gottlieb, and P. Thaddeus Journal of Molecular Spectroscopy, 197: 1-11, 1999 link to paper