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	hartrees
Energy at 0K	-340.965364
Energy at 298.15K
HF Energy	-340.641161
Nuclear repulsion energy	229.245188

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3345	3345	0.09
2	A₁	1927	1927	614.57
3	A₁	1669	1669	2.11
4	A₁	1196	1196	142.85
5	A₁	1127	1127	26.74
6	A₁	894	894	33.13
7	A₁	742	742	2.84
8	A₂	798	798	0.00
9	A₂	575	575	0.00
10	B₁	779	779	1.85
11	B₁	709	709	91.11
12	B₁	240	240	1.16
13	B₂	3320	3320	6.76
14	B₂	1374	1374	29.89
15	B₂	1104	1104	101.27
16	B₂	1024	1024	41.13
17	B₂	901	901	0.15
18	B₂	527	527	0.02

Atom	y (Å)	z (Å)
C1	0.000	0.787
O2	0.000	1.974
O3	1.109	-0.022
O4	-1.109	-0.022
C5	0.665	-1.330
C6	-0.665	-1.330
H7	1.411	-2.103
H8	-1.411	-2.103

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1872	1.3727	1.3727	2.2183	2.2183	3.2162	3.2162
O2	1.1872		2.2833	2.2833	3.3697	3.3697	4.3145	4.3145
O3	1.3727	2.2833		2.2187	1.3809	2.2045	2.1033	3.2688
O4	1.3727	2.2833	2.2187		2.2045	1.3809	3.2688	2.1033
C5	2.2183	3.3697	1.3809	2.2045		1.3309	1.0746	2.2160
C6	2.2183	3.3697	2.2045	1.3809	1.3309		2.2160	1.0746
H7	3.2162	4.3145	2.1033	3.2688	1.0746	2.2160		2.8219
H8	3.2162	4.3145	3.2688	2.1033	2.2160	1.0746	2.8219

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.335	C1	O4	C6	107.335
O2	C1	O3	126.086	O2	C1	O4	126.086
O3	C1	O4	107.827	O3	C5	C6	108.751
O3	C5	H7	117.321	O4	C6	C5	108.751
O4	C6	H8	117.321	C5	C6	H8	133.928
C6	C5	H7	133.928

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

using model chemistry: B2PLYP/6-311G*

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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Number	Element	Mulliken
1	C	0.487
2	O	-0.306
3	O	-0.258
4	O	-0.258
5	C	-0.083
6	C	-0.083
7	H	0.251
8	H	0.251

<r²>	114.538
(<r²>)^1/2	10.702

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

using model chemistry: B2PLYP/6-311G*

States and conformations

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