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	hartrees
Energy at 0K	-340.462179
Energy at 298.15K
HF Energy	-339.371853
Nuclear repulsion energy	230.542055

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3377	3199	0.36
2	A₁	2003	1898	640.62
3	A₁	1724	1633	2.19
4	A₁	1232	1167	161.20
5	A₁	1152	1091	18.76
6	A₁	940	890	27.68
7	A₁	762	721	3.68
8	A₂	830	787	0.00
9	A₂	580	549	0.00
10	B₁	826	782	9.50
11	B₁	748	709	71.24
12	B₁	242	229	1.13
13	B₂	3349	3172	10.59
14	B₂	1410	1336	39.42
15	B₂	1143	1083	120.88
16	B₂	1117	1058	0.77
17	B₂	924	875	2.37
18	B₂	545	516	0.11

Atom	y (Å)	z (Å)
C1	0.000	0.777
O2	0.000	1.959
O3	1.103	-0.016
O4	-1.103	-0.016
C5	0.663	-1.323
C6	-0.663	-1.323
H7	1.407	-2.097
H8	-1.407	-2.097

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1815	1.3586	1.3586	2.2024	2.2024	3.2002	3.2002
O2	1.1815		2.2620	2.2620	3.3481	3.3481	4.2929	4.2929
O3	1.3586	2.2620		2.2059	1.3789	2.1971	2.1030	3.2605
O4	1.3586	2.2620	2.2059		2.1971	1.3789	3.2605	2.1030
C5	2.2024	3.3481	1.3789	2.1971		1.3264	1.0736	2.2104
C6	2.2024	3.3481	2.1971	1.3789	1.3264		2.2104	1.0736
H7	3.2002	4.2929	2.1030	3.2605	1.0736	2.2104		2.8146
H8	3.2002	4.2929	3.2605	2.1030	2.2104	1.0736	2.8146

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.131	C1	O4	C6	107.131
O2	C1	O3	125.727	O2	C1	O4	125.727
O3	C1	O4	108.546	O3	C5	C6	108.596
O3	C5	H7	117.530	O4	C6	C5	108.596
O4	C6	H8	117.530	C5	C6	H8	133.874
C6	C5	H7	133.874

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

using model chemistry: CCD/6-31G(2df,p)

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: CCD/6-31G(2df,p)

States and conformations

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