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	hartrees
Energy at 0K	-340.323213
Energy at 298.15K
HF Energy	-339.343128
Nuclear repulsion energy	227.587976

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3374	3238
2	A₁	1901	1824
3	A₁	1676	1608
4	A₁	1199	1150
5	A₁	1121	1076
6	A₁	889	853
7	A₁	733	703
8	A₂	744	714
9	A₂	528	506
10	B₁	748	718
11	B₁	687	660
12	B₁	224	215
13	B₂	3350	3214
14	B₂	1379	1323
15	B₂	1099	1054
16	B₂	1070	1027
17	B₂	894	858
18	B₂	516	495

Atom	y (Å)	z (Å)
C1	0.000	0.788
O2	0.000	1.989
O3	1.117	-0.020
O4	-1.117	-0.020
C5	0.670	-1.340
C6	-0.670	-1.340
H7	1.416	-2.115
H8	-1.416	-2.115

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2015	1.3790	1.3790	2.2312	2.2312	3.2295	3.2295
O2	1.2015		2.2993	2.2993	3.3964	3.3964	4.3415	4.3415
O3	1.3790	2.2993		2.2349	1.3938	2.2223	2.1158	3.2870
O4	1.3790	2.2993	2.2349		2.2223	1.3938	3.2870	2.1158
C5	2.2312	3.3964	1.3938	2.2223		1.3404	1.0750	2.2251
C6	2.2312	3.3964	2.2223	1.3938	1.3404		2.2251	1.0750
H7	3.2295	4.3415	2.1158	3.2870	1.0750	2.2251		2.8314
H8	3.2295	4.3415	3.2870	2.1158	2.2251	1.0750	2.8314

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.153	C1	O4	C6	107.153
O2	C1	O3	125.869	O2	C1	O4	125.869
O3	C1	O4	108.261	O3	C5	C6	108.716
O3	C5	H7	117.382	O4	C6	C5	108.716
O4	C6	H8	117.382	C5	C6	H8	133.902
C6	C5	H7	133.902

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

using model chemistry: CCSD(T)/6-31+G**

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: CCSD(T)/6-31+G**

States and conformations

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