Table 8.

Harmonic ω, anharmonic ν wavenumbers for cyclopropane (in cm⁻¹)

State	Symm.	ω
		3163	3042	3040	3041	3046	3027
		3061	2993	2983	2982	2954	—
		1531	1502	1497	1498	1515	1499
		1487	1471	1478	1475	1459	1461
		1218	1191	1191	1191	1191	1189
		1162	1129	1129	1129	1129	1127
		1095	1072	1072	1072	1072	1067
		3254	3108	3108	3108	3108	3102
		863	860	860	860	860	854
		3154	3006	3005	3005	3016	3019
		3016	2909	2924	2926	2907	—
		1486	1422	1441	1441	1446	1440
		1487	1515	1505	1495	1491	1480
		1056	1030	1030	1030	1030	1028
		887	854	854	854	854	868
		3233	3087	3087	3087	3087	3082
		1219	1194	1194	1194	1194	1191
		744	742	744	742	742	738
		1775	1714	1714	1714	1714	1727
		1775	1690	1690	1690	1690	1734
		2150	2097	2097	2097	2097	2090
		1838	1814	1817	1814	1814	1805
		1799	1772	1775	1779	1772	1766
		1799	1771	1774	1771	1771	1767
		1799	1772	1775	1773	1772	—

Computed values at the B2PLYP/AVTZ level.

The vibrational states are indicated as. Observed values were taken from Ref.170.

Note that the l-doubling between and has not been taken into account in the experimental values.