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	hartrees
Energy at 0K	-340.296469
Energy at 298.15K
HF Energy	-339.344117
Nuclear repulsion energy	228.136198

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3408	3200	0.52
2	A₁	1899	1783	663.54
3	A₁	1670	1569	3.27
4	A₁	1210	1137	149.17
5	A₁	1133	1064	35.20
6	A₁	893	838	41.84
7	A₁	734	690	1.99
8	A₂	771	724	0.00
9	A₂	548	515	0.00
10	B₁	757	711	0.21
11	B₁	704	661	100.37
12	B₁	235	221	1.24
13	B₂	3383	3177	12.17
14	B₂	1385	1301	24.10
15	B₂	1112	1045	62.90
16	B₂	1061	996	87.42
17	B₂	899	844	0.05
18	B₂	518	486	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.787
O2	0.000	1.989
O3	1.113	-0.024
O4	-1.113	-0.024
C5	0.669	-1.336
C6	-0.669	-1.336
H7	1.411	-2.111
H8	-1.411	-2.111

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2020	1.3775	1.3775	2.2255	2.2255	3.2225	3.2225
O2	1.2020		2.3004	2.3004	3.3912	3.3912	4.3353	4.3353
O3	1.3775	2.3004		2.2270	1.3849	2.2130	2.1075	3.2747
O4	1.3775	2.3004	2.2270		2.2130	1.3849	3.2747	2.1075
C5	2.2255	3.3912	1.3849	2.2130		1.3379	1.0725	2.2191
C6	2.2255	3.3912	2.2130	1.3849	1.3379		2.2191	1.0725
H7	3.2225	4.3353	2.1075	3.2747	1.0725	2.2191		2.8210
H8	3.2225	4.3353	3.2747	2.1075	2.2191	1.0725	2.8210

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.343	C1	O4	C6	107.343
O2	C1	O3	126.065	O2	C1	O4	126.065
O3	C1	O4	107.869	O3	C5	C6	108.723
O3	C5	H7	117.535	O4	C6	C5	108.723
O4	C6	H8	117.535	C5	C6	H8	133.742
C6	C5	H7	133.742

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

using model chemistry: MP2=FULL/6-31+G**

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=FULL/6-31+G**

States and conformations

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