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	hartrees
Energy at 0K	-191.603627
Energy at 298.15K	-191.607085
HF Energy	-190.830881
Nuclear repulsion energy	102.617044

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3265	3100	10.58
2	A	3175	3014	12.60
3	A	3155	2996	13.81
4	A	3093	2937	32.85
5	A	2224	2112	532.32
6	A	1541	1463	5.69
7	A	1511	1435	5.50
8	A	1432	1360	6.42
9	A	1424	1352	6.47
10	A	1163	1105	0.32
11	A	1094	1039	7.38
12	A	1071	1017	0.42
13	A	920	873	3.89
14	A	649	616	3.98
15	A	561	533	41.84
16	A	534	507	23.66
17	A	207	197	1.44
18	A	155	147	0.20

Atom	x (Å)	y (Å)	z (Å)
C1	-0.760	0.135	-0.000
C2	0.475	0.575	-0.000
C3	1.667	-0.336	0.000
O4	-1.851	-0.271	0.000
H5	0.594	1.641	0.000
H6	1.360	-1.375	-0.000
H7	2.282	-0.170	-0.879
H8	2.281	-0.171	0.880

	C1	C2	C3	O4	H5	H6	H7	H8
C1		1.3110	2.4726	1.1643	2.0257	2.6027	3.1812	3.1809
C2	1.3110		1.5001	2.4753	1.0735	2.1412	2.1430	2.1431
C3	2.4726	1.5001		3.5194	2.2496	1.0841	1.0854	1.0854
O4	1.1643	2.4753	3.5194		3.1043	3.3959	4.2271	4.2266
H5	2.0257	1.0735	2.2496	3.1043		3.1123	2.6277	2.6277
H6	2.6027	2.1412	1.0841	3.3959	3.1123		1.7534	1.7534
H7	3.1812	2.1430	1.0854	4.2271	2.6277	1.7534		1.7588
H8	3.1809	2.1431	1.0854	4.2266	2.6277	1.7534	1.7588

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	123.043	C1	C2	H5	115.964
C2	C1	O4	179.212	C2	C3	H6	110.881
C2	C3	H7	110.950	C2	C3	H8	110.954
C3	C2	H5	120.992	H6	C3	H7	107.845
H6	C3	H8	107.846	H7	C3	H8	108.235

All results from a given calculation for C₃H₄O (Methylketene)

using model chemistry: MP2=FULL/cc-pVTZ

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for C3H4O (Methylketene)

using model chemistry: MP2=FULL/cc-pVTZ

States and conformations

All results from a given calculation for C₃H₄O (Methylketene)