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	hartrees
Energy at 0K	-340.271471
Energy at 298.15K
HF Energy	-339.343539
Nuclear repulsion energy	227.886779

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3405	3203	0.51
2	A₁	1894	1782	661.15
3	A₁	1667	1568	3.27
4	A₁	1208	1136	147.79
5	A₁	1130	1063	36.52
6	A₁	891	838	42.01
7	A₁	733	689	2.02
8	A₂	764	718	0.00
9	A₂	544	512	0.00
10	B₁	751	707	0.64
11	B₁	697	655	99.97
12	B₁	233	219	1.25
13	B₂	3380	3180	12.11
14	B₂	1382	1300	24.25
15	B₂	1110	1044	64.20
16	B₂	1058	995	86.02
17	B₂	897	844	0.04
18	B₂	516	485	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.788
O2	0.000	1.991
O3	1.115	-0.024
O4	-1.115	-0.024
C5	0.670	-1.337
C6	-0.670	-1.337
H7	1.412	-2.112
H8	-1.412	-2.112

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2031	1.3791	1.3791	2.2279	2.2279	3.2256	3.2256
O2	1.2031		2.3027	2.3027	3.3947	3.3947	4.3394	4.3394
O3	1.3791	2.3027		2.2298	1.3866	2.2156	2.1095	3.2783
O4	1.3791	2.3027	2.2298		2.2156	1.3866	3.2783	2.1095
C5	2.2279	3.3947	1.3866	2.2156		1.3393	1.0735	2.2214
C6	2.2279	3.3947	2.2156	1.3866	1.3393		2.2214	1.0735
H7	3.2256	4.3394	2.1095	3.2783	1.0735	2.2214		2.8243
H8	3.2256	4.3394	3.2783	2.1095	2.2214	1.0735	2.8243

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.323	C1	O4	C6	107.323
O2	C1	O3	126.055	O2	C1	O4	126.055
O3	C1	O4	107.890	O3	C5	C6	108.732
O3	C5	H7	117.504	O4	C6	C5	108.732
O4	C6	H8	117.504	C5	C6	H8	133.764
C6	C5	H7	133.764

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

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

States and conformations

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