Detection of C-cyanophosphaethyne, NC–CP, by microwave spectroscopy

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Abstract
The microwave spectrum of the new species C-cyanophosphaethyne NC–CP has been detected in the products of a gas phase high temperature (ca. 700 °C) reaction between cyanogen azide, NCN3, and phosphaethyne, HCP; the new species which is the monophosphorus analogue of cyanogen, (CN)2, has a dipole moment of 3·5 D.