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The microwave spectrum of isopropylisocyanate, (CH3)2CHNCO, has been investigated from 11,000 to 21,000 MHz and 18 transitions for the more stable trans conformer were assigned and A = 6693.23(15), B = 2263.10(3), C = 1960.05(2) MHz were obtained. By utilizing these rotational constants along with ab initio MP2(full)/6-311 + G(d,p) predicted structural values, adjusted r0 parameters have been obtained...
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