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	hartrees
Energy at 0K	-340.252141
Energy at 298.15K
HF Energy	-339.335842
Nuclear repulsion energy	228.208884

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3411	3194	0.16
2	A₁	1936	1813	547.51
3	A₁	1683	1576	1.72
4	A₁	1216	1139	133.52
5	A₁	1142	1070	27.99
6	A₁	899	842	36.43
7	A₁	737	690	1.54
8	A₂	773	724	0.00
9	A₂	556	520	0.00
10	B₁	765	717	0.25
11	B₁	706	662	82.34
12	B₁	243	228	1.40
13	B₂	3386	3171	8.47
14	B₂	1397	1308	23.82
15	B₂	1120	1049	63.73
16	B₂	1069	1001	77.77
17	B₂	902	845	0.68
18	B₂	520	487	0.03

Atom	y (Å)	z (Å)
C1	0.000	0.787
O2	0.000	1.988
O3	1.114	-0.024
O4	-1.114	-0.024
C5	0.669	-1.335
C6	-0.669	-1.335
H7	1.410	-2.110
H8	-1.410	-2.110

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2006	1.3779	1.3779	2.2244	2.2244	3.2221	3.2221
O2	1.2006		2.2995	2.2995	3.3888	3.3888	4.3337	4.3337
O3	1.3779	2.2995		2.2280	1.3842	2.2125	2.1072	3.2743
O4	1.3779	2.2995	2.2280		2.2125	1.3842	3.2743	2.1072
C5	2.2244	3.3888	1.3842	2.2125		1.3372	1.0729	2.2183
C6	2.2244	3.3888	2.2125	1.3842	1.3372		2.2183	1.0729
H7	3.2221	4.3337	2.1072	3.2743	1.0729	2.2183		2.8191
H8	3.2221	4.3337	3.2743	2.1072	2.2183	1.0729	2.8191

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.284	C1	O4	C6	107.284
O2	C1	O3	126.055	O2	C1	O4	126.055
O3	C1	O4	107.890	O3	C5	C6	108.771
O3	C5	H7	117.547	O4	C6	C5	108.771
O4	C6	H8	117.547	C5	C6	H8	133.682
C6	C5	H7	133.682

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

using model chemistry: MP2/6-31G**

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: MP2/6-31G**

States and conformations

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