inree consecutive absorption lines at 64.275cm, 77.180cm) { and 89.905 cm have been observed in a microwave spectrum For a linear rigid diatomic molecule, Fur moments and I are [If i with respect to the bond axis passing through the mass and Ig is with respect to an omi's passing through of inestia IA Centre of B the and perpendicular to bond centre of mass both equal to 12 asshon 19 qm-cm Zero and both equal to 127 qm-cm 2 12.055hc @zero and 2 . - am-'cm? 6.927 hc