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	hartrees
Energy at 0K	-341.209702
Energy at 298.15K
HF Energy	-341.209702
Nuclear repulsion energy	230.930063

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3336	3336	0.61
2	A₁	1949	1949	723.03
3	A₁	1693	1693	5.74
4	A₁	1212	1212	162.99
5	A₁	1140	1140	14.47
6	A₁	927	927	32.12
7	A₁	754	754	3.80
8	A₂	854	854	0.00
9	A₂	590	590	0.00
10	B₁	798	798	2.35
11	B₁	730	730	90.31
12	B₁	246	246	0.40
13	B₂	3311	3311	10.71
14	B₂	1385	1385	32.26
15	B₂	1122	1122	103.26
16	B₂	1063	1063	25.08
17	B₂	913	913	0.61
18	B₂	535	535	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.780
O2	0.000	1.961
O3	1.098	-0.021
O4	-1.098	-0.021
C5	0.661	-1.320
C6	-0.661	-1.320
H7	1.401	-2.098
H8	-1.401	-2.098

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1816	1.3591	1.3591	2.2017	2.2017	3.2004	3.2004
O2	1.1816		2.2661	2.2661	3.3476	3.3476	4.2940	4.2940
O3	1.3591	2.2661		2.1966	1.3710	2.1874	2.0989	3.2495
O4	1.3591	2.2661	2.1966		2.1874	1.3710	3.2495	2.0989
C5	2.2017	3.3476	1.3710	2.1874		1.3226	1.0730	2.2037
C6	2.2017	3.3476	2.1874	1.3710	1.3226		2.2037	1.0730
H7	3.2004	4.2940	2.0989	3.2495	1.0730	2.2037		2.8015
H8	3.2004	4.2940	3.2495	2.0989	2.2037	1.0730	2.8015

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.502	C1	O4	C6	107.502
O2	C1	O3	126.090	O2	C1	O4	126.090
O3	C1	O4	107.820	O3	C5	C6	108.588
O3	C5	H7	117.850	O4	C6	C5	108.588
O4	C6	H8	117.850	C5	C6	H8	133.562
C6	C5	H7	133.562

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

using model chemistry: mPW1PW91/6-311+G(3df,2p)

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	1.367
2	O	-0.794
3	O	-0.630
4	O	-0.630
5	C	0.189
6	C	0.189
7	H	0.154
8	H	0.154

	x	y	z	Total
	0.000	0.000	-4.630	4.630
CHELPG
AIM
ESP

<r²>	113.287
(<r²>)^1/2	10.644

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

using model chemistry: mPW1PW91/6-311+G(3df,2p)

States and conformations

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