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	hartrees
Energy at 0K	-267.083664
Energy at 298.15K	-267.087761
HF Energy	-267.083664
Nuclear repulsion energy	155.656329

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3078	3038	8.40
2	A	2992	2953	0.47
3	A	2846	2809	58.56
4	A	2828	2791	121.77
5	A	1778	1755	50.69
6	A	1723	1701	443.87
7	A	1424	1405	8.73
8	A	1378	1360	11.47
9	A	1374	1356	2.62
10	A	1224	1208	38.88
11	A	1166	1150	14.90
12	A	1063	1049	3.18
13	A	1035	1021	90.64
14	A	899	888	5.38
15	A	850	839	106.25
16	A	805	794	18.84
17	A	536	529	11.61
18	A	463	457	8.51
19	A	282	278	6.19
20	A	98	96	14.16
21	A	33	33	10.25

All results from a given calculation for C₃H₄O₂ (propanedial)

using model chemistry: B97D3/6-311+G(3df,2p)

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 C3H4O2 (propanedial)

using model chemistry: B97D3/6-311+G(3df,2p)

States and conformations

All results from a given calculation for C₃H₄O₂ (propanedial)