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	hartrees
Energy at 0K	-340.437309
Energy at 298.15K
HF Energy	-339.413040
Nuclear repulsion energy	228.692991

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3309	3185
2	A₁	1935	1863
3	A₁	1662	1599
4	A₁	1198	1153
5	A₁	1122	1080
6	A₁	896	863
7	A₁	739	711
8	A₂	750	722
9	A₂	551	530
10	B₁	776	747
11	B₁	693	668
12	B₁	231	222
13	B₂	3284	3161
14	B₂	1372	1321
15	B₂	1105	1064
16	B₂	1062	1022
17	B₂	902	868
18	B₂	529	509

Atom	y (Å)	z (Å)
C1	0.000	0.784
O2	0.000	1.974
O3	1.114	-0.019
O4	-1.114	-0.019
C5	0.670	-1.331
C6	-0.670	-1.331
H7	1.419	-2.110
H8	-1.419	-2.110

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1894	1.3734	1.3734	2.2192	2.2192	3.2232	3.2232
O2	1.1894		2.2829	2.2829	3.3723	3.3723	4.3230	4.3230
O3	1.3734	2.2829		2.2281	1.3857	2.2148	2.1130	3.2845
O4	1.3734	2.2829	2.2281		2.2148	1.3857	3.2845	2.1130
C5	2.2192	3.3723	1.3857	2.2148		1.3398	1.0802	2.2291
C6	2.2192	3.3723	2.2148	1.3857	1.3398		2.2291	1.0802
H7	3.2232	4.3230	2.1130	3.2845	1.0802	2.2291		2.8377
H8	3.2232	4.3230	3.2845	2.1130	2.2291	1.0802	2.8377

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.092	C1	O4	C6	107.092
O2	C1	O3	125.788	O2	C1	O4	125.788
O3	C1	O4	108.423	O3	C5	C6	108.696
O3	C5	H7	117.408	O4	C6	C5	108.696
O4	C6	H8	117.408	C5	C6	H8	133.896
C6	C5	H7	133.896

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

using model chemistry: CCSD(T)/6-311G*

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)/6-311G*

States and conformations

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