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	hartrees
Energy at 0K	-340.520118
Energy at 298.15K
HF Energy	-339.369334
Nuclear repulsion energy	229.240940

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3351	3351
2	A₁	1949	1949
3	A₁	1673	1673
4	A₁	1204	1204
5	A₁	1126	1126
6	A₁	906	906
7	A₁	744	744
8	A₂	782	782
9	A₂	566	566
10	B₁	795	795
11	B₁	718	718
12	B₁	238	238
13	B₂	3324	3324
14	B₂	1377	1377
15	B₂	1108	1108
16	B₂	1074	1074
17	B₂	903	903
18	B₂	528	528

Atom	y (Å)	z (Å)
C1	0.000	0.781
O2	0.000	1.970
O3	1.111	-0.018
O4	-1.111	-0.018
C5	0.667	-1.329
C6	-0.667	-1.329
H7	1.414	-2.103
H8	-1.414	-2.103

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1886	1.3690	1.3690	2.2131	2.2131	3.2121	3.2121
O2	1.1886		2.2775	2.2775	3.3655	3.3655	4.3113	4.3113
O3	1.3690	2.2775		2.2227	1.3839	2.2094	2.1068	3.2745
O4	1.3690	2.2775	2.2227		2.2094	1.3839	3.2745	2.1068
C5	2.2131	3.3655	1.3839	2.2094		1.3345	1.0754	2.2202
C6	2.2131	3.3655	2.2094	1.3839	1.3345		2.2202	1.0754
H7	3.2121	4.3113	2.1068	3.2745	1.0754	2.2202		2.8271
H8	3.2121	4.3113	3.2745	2.1068	2.2202	1.0754	2.8271

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.009	C1	O4	C6	107.009
O2	C1	O3	125.725	O2	C1	O4	125.725
O3	C1	O4	108.550	O3	C5	C6	108.716
O3	C5	H7	117.339	O4	C6	C5	108.716
O4	C6	H8	117.339	C5	C6	H8	133.945
C6	C5	H7	133.945

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

using model chemistry: CCSD(T)/6-31G(2df,p)

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(2df,p)

States and conformations

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