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	hartrees
Energy at 0K	-340.610778
Energy at 298.15K
HF Energy	-339.463978
Nuclear repulsion energy	231.055514

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3372	3372	0.67
2	A₁	1985	1985	774.79
3	A₁	1711	1711	6.00
4	A₁	1233	1233	186.25
5	A₁	1152	1152	18.13
6	A₁	946	946	32.52
7	A₁	765	765	4.89
8	A₂	850	850	0.00
9	A₂	584	584	0.00
10	B₁	819	819	9.16
11	B₁	738	738	82.71
12	B₁	242	242	0.63
13	B₂	3347	3347	11.78
14	B₂	1416	1416	42.29
15	B₂	1150	1150	131.92
16	B₂	1117	1117	0.52
17	B₂	927	927	1.75
18	B₂	549	549	0.08

Atom	y (Å)	z (Å)
C1	0.000	0.777
O2	0.000	1.955
O3	1.098	-0.016
O4	-1.098	-0.016
C5	0.663	-1.321
C6	-0.663	-1.321
H7	1.402	-2.097
H8	-1.402	-2.097

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1786	1.3543	1.3543	2.2003	2.2003	3.1975	3.1975
O2	1.1786		2.2565	2.2565	3.3431	3.3431	4.2881	4.2881
O3	1.3543	2.2565		2.1963	1.3761	2.1921	2.1033	3.2529
O4	1.3543	2.2565	2.1963		2.1921	1.3761	3.2529	2.1033
C5	2.2003	3.3431	1.3761	2.1921		1.3258	1.0714	2.2057
C6	2.2003	3.3431	2.1921	1.3761	1.3258		2.2057	1.0714
H7	3.1975	4.2881	2.1033	3.2529	1.0714	2.2057		2.8037
H8	3.1975	4.2881	3.2529	2.1033	2.2057	1.0714	2.8037

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.383	C1	O4	C6	107.383
O2	C1	O3	125.822	O2	C1	O4	125.822
O3	C1	O4	108.356	O3	C5	C6	108.439
O3	C5	H7	117.953	O4	C6	C5	108.439
O4	C6	H8	117.953	C5	C6	H8	133.608
C6	C5	H7	133.608

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

using model chemistry: MP3/6-311+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 C3H2O3 (vinylene carbonate)

using model chemistry: MP3/6-311+G(3df,2p)

States and conformations

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