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	hartrees
Energy at 0K	-340.698778
Energy at 298.15K
HF Energy	-339.464403
Nuclear repulsion energy	230.161503

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3379	3208	0.49
2	A₁	1930	1832	617.19
3	A₁	1672	1588	3.51
4	A₁	1218	1156	152.56
5	A₁	1137	1080	21.41
6	A₁	907	861	39.63
7	A₁	745	708	2.22
8	A₂	838	795	0.00
9	A₂	589	559	0.00
10	B₁	796	756	1.27
11	B₁	737	699	81.74
12	B₁	247	235	0.84
13	B₂	3348	3178	11.14
14	B₂	1389	1318	23.94
15	B₂	1123	1066	72.78
16	B₂	1067	1013	61.71
17	B₂	906	861	0.51
18	B₂	535	508	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.780
O2	0.000	1.967
O3	1.106	-0.022
O4	-1.106	-0.022
C5	0.664	-1.323
C6	-0.664	-1.323
H7	1.396	-2.099
H8	-1.396	-2.099

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1876	1.3656	1.3656	2.2048	2.2048	3.1996	3.1996
O2	1.1876		2.2758	2.2758	3.3563	3.3563	4.2996	4.2996
O3	1.3656	2.2758		2.2111	1.3736	2.1962	2.0976	3.2516
O4	1.3656	2.2758	2.2111		2.1962	1.3736	3.2516	2.0976
C5	2.2048	3.3563	1.3736	2.1962		1.3281	1.0671	2.2014
C6	2.2048	3.3563	2.1962	1.3736	1.3281		2.2014	1.0671
H7	3.1996	4.2996	2.0976	3.2516	1.0671	2.2014		2.7916
H8	3.1996	4.2996	3.2516	2.0976	2.2014	1.0671	2.7916

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.197	C1	O4	C6	107.197
O2	C1	O3	125.946	O2	C1	O4	125.946
O3	C1	O4	108.108	O3	C5	C6	108.749
O3	C5	H7	117.958	O4	C6	C5	108.749
O4	C6	H8	117.958	C5	C6	H8	133.294
C6	C5	H7	133.294

All results from a given calculation for C₃H₂O₃ (vinylene carbonate)

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 C3H2O3 (vinylene carbonate)

using model chemistry: MP2=FULL/cc-pVTZ

States and conformations

All results from a given calculation for C₃H₂O₃ (vinylene carbonate)