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	hartrees
Energy at 0K	-340.836843
Energy at 298.15K
HF Energy	-340.836843
Nuclear repulsion energy	227.135862

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3251	3232	0.10
2	A₁	1889	1879	539.14
3	A₁	1626	1616	3.13
4	A₁	1148	1141	125.01
5	A₁	1080	1074	2.93
6	A₁	858	853	29.34
7	A₁	715	710	2.33
8	A₂	768	763	0.00
9	A₂	564	561	0.00
10	B₁	737	733	0.00
11	B₁	674	670	69.89
12	B₁	241	240	0.75
13	B₂	3225	3206	6.87
14	B₂	1309	1302	28.57
15	B₂	1064	1058	71.74
16	B₂	973	968	42.91
17	B₂	867	861	0.22
18	B₂	502	499	0.04

Atom	y (Å)	z (Å)
C1	0.000	0.791
O2	0.000	1.992
O3	1.123	-0.025
O4	-1.123	-0.025
C5	0.673	-1.336
C6	-0.673	-1.336
H7	1.426	-2.126
H8	-1.426	-2.126

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2010	1.3884	1.3884	2.2310	2.2310	3.2469	3.2469
O2	1.2010		2.3088	2.3088	3.3955	3.3955	4.3579	4.3579
O3	1.3884	2.3088		2.2462	1.3862	2.2233	2.1224	3.3034
O4	1.3884	2.3088	2.2462		2.2233	1.3862	3.3034	2.1224
C5	2.2310	3.3955	1.3862	2.2233		1.3452	1.0917	2.2426
C6	2.2310	3.3955	2.2233	1.3862	1.3452		2.2426	1.0917
H7	3.2469	4.3579	2.1224	3.3034	1.0917	2.2426		2.8528
H8	3.2469	4.3579	3.3034	2.1224	2.2426	1.0917	2.8528

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.043	C1	O4	C6	107.043
O2	C1	O3	126.009	O2	C1	O4	126.009
O3	C1	O4	107.982	O3	C5	C6	108.966
O3	C5	H7	117.361	O4	C6	C5	108.966
O4	C6	H8	117.361	C5	C6	H8	133.673
C6	C5	H7	133.673

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

using model chemistry: PBEPBEultrafine/cc-pVDZ

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	0.267
2	O	-0.183
3	O	-0.161
4	O	-0.161
5	C	0.083
6	C	0.083
7	H	0.036
8	H	0.036

	x	y	z	Total
	0.000	0.000	-4.093	4.093
CHELPG
AIM
ESP

<r²>	115.946
(<r²>)^1/2	10.768

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

using model chemistry: PBEPBEultrafine/cc-pVDZ

States and conformations

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