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	hartrees
Energy at 0K	-338.058390
Energy at 298.15K
HF Energy	-337.422637
Nuclear repulsion energy	222.389702

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3378	3224	0.58
2	A₁	1856	1771	386.80
3	A₁	1603	1530	0.33
4	A₁	1192	1138	45.48
5	A₁	1051	1003	92.86
6	A₁	803	766	42.01
7	A₁	716	684	2.79
8	A₂	830	792	0.00
9	A₂	557	532	0.00
10	B₁	761	726	23.04
11	B₁	700	669	82.16
12	B₁	232	221	3.67
13	B₂	3348	3196	5.31
14	B₂	1361	1299	1.01
15	B₂	1028	981	48.51
16	B₂	928	886	70.99
17	B₂	842	804	15.86
18	B₂	507	484	0.17

Atom	y (Å)	z (Å)
C1	0.000	0.823
O2	0.000	2.036
O3	1.152	-0.026
O4	-1.152	-0.026
C5	0.671	-1.375
C6	-0.671	-1.375
H7	1.407	-2.156
H8	-1.407	-2.156

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2127	1.4311	1.4311	2.2981	2.2981	3.2951	3.2951
O2	1.2127		2.3619	2.3619	3.4760	3.4760	4.4221	4.4221
O3	1.4311	2.3619		2.3036	1.4317	2.2676	2.1455	3.3295
O4	1.4311	2.3619	2.3036		2.2676	1.4317	3.3295	2.1455
C5	2.2981	3.4760	1.4317	2.2676		1.3423	1.0736	2.2204
C6	2.2981	3.4760	2.2676	1.4317	1.3423		2.2204	1.0736
H7	3.2951	4.4221	2.1455	3.3295	1.0736	2.2204		2.8141
H8	3.2951	4.4221	3.3295	2.1455	2.2204	1.0736	2.8141

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	106.789	C1	O4	C6	106.789
O2	C1	O3	126.405	O2	C1	O4	126.405
O3	C1	O4	107.190	O3	C5	C6	109.616
O3	C5	H7	117.113	O4	C6	C5	109.616
O4	C6	H8	117.113	C5	C6	H8	133.271
C6	C5	H7	133.271

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

using model chemistry: MP2/3-21G

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: MP2/3-21G

States and conformations

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