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	hartrees
Energy at 0K	-340.639004
Energy at 298.15K
HF Energy	-339.467440
Nuclear repulsion energy	229.275193

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3354	3196	0.80
2	A₁	1894	1805	670.03
3	A₁	1649	1571	5.71
4	A₁	1199	1143	160.43
5	A₁	1120	1068	22.21
6	A₁	895	853	42.66
7	A₁	737	702	2.42
8	A₂	813	774	0.00
9	A₂	577	550	0.00
10	B₁	781	744	0.96
11	B₁	719	685	83.95
12	B₁	243	231	0.68
13	B₂	3327	3170	12.53
14	B₂	1365	1301	24.35
15	B₂	1105	1053	66.42
16	B₂	1054	1004	68.79
17	B₂	895	853	0.18
18	B₂	525	500	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.783
O2	0.000	1.975
O3	1.109	-0.022
O4	-1.109	-0.022
C5	0.667	-1.328
C6	-0.667	-1.328
H7	1.405	-2.107
H8	-1.405	-2.107

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1924	1.3703	1.3703	2.2141	2.2141	3.2129	3.2129
O2	1.1924		2.2846	2.2846	3.3703	3.3703	4.3169	4.3169
O3	1.3703	2.2846		2.2179	1.3791	2.2043	2.1055	3.2655
O4	1.3703	2.2846	2.2179		2.2043	1.3791	3.2655	2.1055
C5	2.2141	3.3703	1.3791	2.2043		1.3333	1.0725	2.2127
C6	2.2141	3.3703	2.2043	1.3791	1.3333		2.2127	1.0725
H7	3.2129	4.3169	2.1055	3.2655	1.0725	2.2127		2.8092
H8	3.2129	4.3169	3.2655	2.1055	2.2127	1.0725	2.8092

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.273	C1	O4	C6	107.273
O2	C1	O3	125.977	O2	C1	O4	125.977
O3	C1	O4	108.045	O3	C5	C6	108.705
O3	C5	H7	117.820	O4	C6	C5	108.705
O4	C6	H8	117.820	C5	C6	H8	133.475
C6	C5	H7	133.475

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

using model chemistry: MP2/aug-cc-pVTZ

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/aug-cc-pVTZ

States and conformations

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