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	hartrees
Energy at 0K	-340.813070
Energy at 298.15K
HF Energy	-340.813070
Nuclear repulsion energy	227.171181

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3263	3219	0.03
2	A₁	1896	1870	511.87
3	A₁	1632	1609	2.03
4	A₁	1160	1144	111.71
5	A₁	1095	1080	11.79
6	A₁	863	851	28.38
7	A₁	714	704	2.19
8	A₂	755	745	0.00
9	A₂	555	547	0.00
10	B₁	733	723	0.31
11	B₁	672	663	73.24
12	B₁	241	238	0.79
13	B₂	3239	3194	5.77
14	B₂	1326	1308	22.18
15	B₂	1073	1058	70.64
16	B₂	980	967	49.94
17	B₂	869	857	0.05
18	B₂	501	494	0.01

Atom	y (Å)	z (Å)
C1	0.000	0.792
O2	0.000	1.995
O3	1.121	-0.026
O4	-1.121	-0.026
C5	0.671	-1.338
C6	-0.671	-1.338
H7	1.421	-2.122
H8	-1.421	-2.122

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2029	1.3880	1.3880	2.2332	2.2332	3.2421	3.2421
O2	1.2029		2.3112	2.3112	3.3998	3.3998	4.3553	4.3553
O3	1.3880	2.3112		2.2425	1.3868	2.2213	2.1172	3.2950
O4	1.3880	2.3112	2.2425		2.2213	1.3868	3.2950	2.1172
C5	2.2332	3.3998	1.3868	2.2213		1.3426	1.0850	2.2346
C6	2.2332	3.3998	2.2213	1.3868	1.3426		2.2346	1.0850
H7	3.2421	4.3553	2.1172	3.2950	1.0850	2.2346		2.8424
H8	3.2421	4.3553	3.2950	2.1172	2.2346	1.0850	2.8424

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.184	C1	O4	C6	107.184
O2	C1	O3	126.117	O2	C1	O4	126.117
O3	C1	O4	107.767	O3	C5	C6	108.933
O3	C5	H7	117.342	O4	C6	C5	108.933
O4	C6	H8	117.342	C5	C6	H8	133.725
C6	C5	H7	133.725

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

using model chemistry: PBEPBE/6-31G**

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	0.729
2	O	-0.420
3	O	-0.397
4	O	-0.397
5	C	0.089
6	C	0.089
7	H	0.153
8	H	0.153

	x	y	z	Total
	0.000	0.000	-4.330	4.330
CHELPG
AIM
ESP

<r²>	115.865
(<r²>)^1/2	10.764

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

using model chemistry: PBEPBE/6-31G**

States and conformations

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