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	hartrees
Energy at 0K	-340.303120
Energy at 298.15K
HF Energy	-339.335382
Nuclear repulsion energy	227.873009

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3379	3205
2	A₁	1943	1843
3	A₁	1690	1603
4	A₁	1207	1145
5	A₁	1132	1074
6	A₁	897	851
7	A₁	735	697
8	A₂	756	717
9	A₂	540	512
10	B₁	762	723
11	B₁	697	661
12	B₁	235	223
13	B₂	3354	3181
14	B₂	1392	1320
15	B₂	1109	1052
16	B₂	1077	1021
17	B₂	898	852
18	B₂	518	491

Atom	y (Å)	z (Å)
C1	0.000	0.787
O2	0.000	1.986
O3	1.117	-0.021
O4	-1.117	-0.021
C5	0.669	-1.338
C6	-0.669	-1.338
H7	1.413	-2.114
H8	-1.413	-2.114

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1991	1.3781	1.3781	2.2284	2.2284	3.2268	3.2268
O2	1.1991		2.2966	2.2966	3.3913	3.3913	4.3367	4.3367
O3	1.3781	2.2966		2.2331	1.3914	2.2193	2.1139	3.2833
O4	1.3781	2.2966	2.2331		2.2193	1.3914	3.2833	2.1139
C5	2.2284	3.3913	1.3914	2.2193		1.3387	1.0745	2.2222
C6	2.2284	3.3913	2.2193	1.3914	1.3387		2.2222	1.0745
H7	3.2268	4.3367	2.1139	3.2833	1.0745	2.2222		2.8265
H8	3.2268	4.3367	3.2833	2.1139	2.2222	1.0745	2.8265

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.141	C1	O4	C6	107.141
O2	C1	O3	125.888	O2	C1	O4	125.888
O3	C1	O4	108.224	O3	C5	C6	108.747
O3	C5	H7	117.441	O4	C6	C5	108.747
O4	C6	H8	117.441	C5	C6	H8	133.812
C6	C5	H7	133.812

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

using model chemistry: CCSD(T)/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: CCSD(T)/6-31G**

States and conformations

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