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	hartrees
Energy at 0K	-340.476245
Energy at 298.15K
HF Energy	-339.370885
Nuclear repulsion energy	229.957896

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3368	3191	0.34
2	A₁	1971	1867	597.48
3	A₁	1712	1622	2.63
4	A₁	1220	1156	144.27
5	A₁	1142	1081	24.24
6	A₁	922	874	28.09
7	A₁	753	713	3.06
8	A₂	818	775	0.00
9	A₂	576	545	0.00
10	B₁	814	771	7.32
11	B₁	742	703	72.35
12	B₁	238	226	1.07
13	B₂	3340	3164	10.19
14	B₂	1395	1322	33.69
15	B₂	1126	1067	116.21
16	B₂	1094	1036	2.60
17	B₂	915	867	1.89
18	B₂	536	508	0.06

Atom	y (Å)	z (Å)
C1	0.000	0.779
O2	0.000	1.964
O3	1.107	-0.017
O4	-1.107	-0.017
C5	0.664	-1.326
C6	-0.664	-1.326
H7	1.409	-2.100
H8	-1.409	-2.100

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1852	1.3634	1.3634	2.2070	2.2070	3.2050	3.2050
O2	1.1852		2.2695	2.2695	3.3562	3.3562	4.3012	4.3012
O3	1.3634	2.2695		2.2137	1.3814	2.2020	2.1044	3.2658
O4	1.3634	2.2695	2.2137		2.2020	1.3814	3.2658	2.1044
C5	2.2070	3.3562	1.3814	2.2020		1.3283	1.0741	2.2127
C6	2.2070	3.3562	2.2020	1.3814	1.3283		2.2127	1.0741
H7	3.2050	4.3012	2.1044	3.2658	1.0741	2.2127		2.8176
H8	3.2050	4.3012	3.2658	2.1044	2.2127	1.0741	2.8176

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.036	C1	O4	C6	107.036
O2	C1	O3	125.727	O2	C1	O4	125.727
O3	C1	O4	108.546	O3	C5	C6	108.691
O3	C5	H7	117.418	O4	C6	C5	108.691
O4	C6	H8	117.418	C5	C6	H8	133.891
C6	C5	H7	133.891

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

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

States and conformations

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