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	hartrees
Energy at 0K	-340.439336
Energy at 298.15K
HF Energy	-339.412741
Nuclear repulsion energy	228.558534

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3308	3185
2	A₁	1930	1859
3	A₁	1659	1598
4	A₁	1195	1150
5	A₁	1120	1078
6	A₁	892	858
7	A₁	737	710
8	A₂	748	721
9	A₂	550	530
10	B₁	773	744
11	B₁	692	666
12	B₁	230	222
13	B₂	3283	3161
14	B₂	1369	1318
15	B₂	1102	1061
16	B₂	1057	1017
17	B₂	900	866
18	B₂	527	508

Atom	y (Å)	z (Å)
C1	0.000	0.785
O2	0.000	1.975
O3	1.115	-0.019
O4	-1.115	-0.019
C5	0.670	-1.332
C6	-0.670	-1.332
H7	1.420	-2.110
H8	-1.420	-2.110

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1901	1.3745	1.3745	2.2206	2.2206	3.2243	3.2243
O2	1.1901		2.2844	2.2844	3.3744	3.3744	4.3247	4.3247
O3	1.3745	2.2844		2.2298	1.3866	2.2160	2.1132	3.2858
O4	1.3745	2.2844	2.2298		2.2160	1.3866	3.2858	2.1132
C5	2.2206	3.3744	1.3866	2.2160		1.3401	1.0803	2.2298
C6	2.2206	3.3744	2.2160	1.3866	1.3401		2.2298	1.0803
H7	3.2243	4.3247	2.1132	3.2858	1.0803	2.2298		2.8393
H8	3.2243	4.3247	3.2858	2.1132	2.2298	1.0803	2.8393

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.078	C1	O4	C6	107.078
O2	C1	O3	125.791	O2	C1	O4	125.791
O3	C1	O4	108.417	O3	C5	C6	108.713
O3	C5	H7	117.346	O4	C6	C5	108.713
O4	C6	H8	117.346	C5	C6	H8	133.941
C6	C5	H7	133.941

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

using model chemistry: QCISD(T)/6-311G*

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: QCISD(T)/6-311G*

States and conformations

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