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	hartrees
Energy at 0K	-340.458741
Energy at 298.15K
HF Energy	-339.369642
Nuclear repulsion energy	229.562622

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3378	3190	0.73
2	A₁	1943	1835	554.01
3	A₁	1662	1570	2.14
4	A₁	1213	1146	143.48
5	A₁	1133	1070	15.60
6	A₁	907	856	33.56
7	A₁	743	701	1.90
8	A₂	792	748	0.00
9	A₂	579	547	0.00
10	B₁	794	750	3.46
11	B₁	724	684	72.19
12	B₁	245	232	0.98
13	B₂	3351	3165	12.12
14	B₂	1379	1302	23.85
15	B₂	1117	1055	59.68
16	B₂	1067	1007	62.40
17	B₂	906	855	0.87
18	B₂	529	499	0.03

Atom	y (Å)	z (Å)
C1	0.000	0.781
O2	0.000	1.971
O3	1.109	-0.022
O4	-1.109	-0.022
C5	0.667	-1.325
C6	-0.667	-1.325
H7	1.410	-2.101
H8	-1.410	-2.101

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1902	1.3689	1.3689	2.2089	2.2089	3.2079	3.2079
O2	1.1902		2.2804	2.2804	3.3628	3.3628	4.3089	4.3089
O3	1.3689	2.2804		2.2182	1.3764	2.2030	2.1009	3.2660
O4	1.3689	2.2804	2.2182		2.2030	1.3764	3.2660	2.1009
C5	2.2089	3.3628	1.3764	2.2030		1.3339	1.0740	2.2167
C6	2.2089	3.3628	2.2030	1.3764	1.3339		2.2167	1.0740
H7	3.2079	4.3089	2.1009	3.2660	1.0740	2.2167		2.8191
H8	3.2079	4.3089	3.2660	2.1009	2.2167	1.0740	2.8191

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.146	C1	O4	C6	107.146
O2	C1	O3	125.884	O2	C1	O4	125.884
O3	C1	O4	108.232	O3	C5	C6	108.737
O3	C5	H7	117.515	O4	C6	C5	108.737
O4	C6	H8	117.515	C5	C6	H8	133.747
C6	C5	H7	133.747

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

using model chemistry: MP2/6-31G(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: MP2/6-31G(2df,p)

States and conformations

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