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	hartrees
Energy at 0K	-340.256654
Energy at 298.15K
HF Energy	-339.332746
Nuclear repulsion energy	228.398765

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3357	3197	0.03
2	A₁	1959	1865	588.27
3	A₁	1719	1637	1.70
4	A₁	1216	1158	139.75
5	A₁	1143	1088	33.53
6	A₁	911	868	29.14
7	A₁	745	710	2.65
8	A₂	777	740	0.00
9	A₂	552	526	0.00
10	B₁	779	742	3.76
11	B₁	715	681	87.79
12	B₁	235	224	1.66
13	B₂	3331	3172	6.72
14	B₂	1395	1329	33.28
15	B₂	1122	1068	136.30
16	B₂	1095	1043	2.58
17	B₂	909	866	1.86
18	B₂	526	501	0.06

Atom	y (Å)	z (Å)
C1	0.000	0.786
O2	0.000	1.982
O3	1.113	-0.019
O4	-1.113	-0.019
C5	0.666	-1.336
C6	-0.666	-1.336
H7	1.417	-2.111
H8	-1.417	-2.111

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1962	1.3732	1.3732	2.2239	2.2239	3.2249	3.2249
O2	1.1962		2.2896	2.2896	3.3842	3.3842	4.3314	4.3314
O3	1.3732	2.2896		2.2251	1.3903	2.2133	2.1140	3.2826
O4	1.3732	2.2896	2.2251		2.2133	1.3903	3.2826	2.1140
C5	2.2239	3.3842	1.3903	2.2133		1.3328	1.0790	2.2230
C6	2.2239	3.3842	2.2133	1.3903	1.3328		2.2230	1.0790
H7	3.2249	4.3314	2.1140	3.2826	1.0790	2.2230		2.8342
H8	3.2249	4.3314	3.2826	2.1140	2.2230	1.0790	2.8342

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.171	C1	O4	C6	107.171
O2	C1	O3	125.885	O2	C1	O4	125.885
O3	C1	O4	108.229	O3	C5	C6	108.715
O3	C5	H7	117.203	O4	C6	C5	108.715
O4	C6	H8	117.203	C5	C6	H8	134.082
C6	C5	H7	134.082

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

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

States and conformations

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