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	hartrees
Energy at 0K	-340.954064
Energy at 298.15K
HF Energy	-340.954064
Nuclear repulsion energy	227.954162

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3245	3245	0.13
2	A₁	1864	1864	595.83
3	A₁	1618	1618	3.75
4	A₁	1148	1148	118.81
5	A₁	1085	1085	21.88
6	A₁	859	859	35.77
7	A₁	718	718	2.67
8	A₂	785	785	0.00
9	A₂	568	568	0.00
10	B₁	743	743	0.02
11	B₁	680	680	80.27
12	B₁	239	239	0.47
13	B₂	3221	3221	7.05
14	B₂	1316	1316	20.27
15	B₂	1064	1064	76.65
16	B₂	969	969	43.75
17	B₂	862	862	0.69
18	B₂	503	503	0.07

Atom	y (Å)	z (Å)
C1	0.000	0.792
O2	0.000	1.987
O3	1.117	-0.025
O4	-1.117	-0.025
C5	0.668	-1.334
C6	-0.668	-1.334
H7	1.414	-2.118
H8	-1.414	-2.118

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1951	1.3836	1.3836	2.2287	2.2287	3.2353	3.2353
O2	1.1951		2.3009	2.3009	3.3879	3.3879	4.3418	4.3418
O3	1.3836	2.3009		2.2341	1.3847	2.2141	2.1146	3.2846
O4	1.3836	2.3009	2.2341		2.2141	1.3847	3.2846	2.1146
C5	2.2287	3.3879	1.3847	2.2141		1.3362	1.0819	2.2245
C6	2.2287	3.3879	2.2141	1.3847	1.3362		2.2245	1.0819
H7	3.2353	4.3418	2.1146	3.2846	1.0819	2.2245		2.8275
H8	3.2353	4.3418	3.2846	2.1146	2.2245	1.0819	2.8275

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.239	C1	O4	C6	107.239
O2	C1	O3	126.160	O2	C1	O4	126.160
O3	C1	O4	107.680	O3	C5	C6	108.921
O3	C5	H7	117.508	O4	C6	C5	108.921
O4	C6	H8	117.508	C5	C6	H8	133.571
C6	C5	H7	133.571

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

using model chemistry: PBEPBEultrafine/Def2TZVPP

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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Number	Element	Mulliken
1	C	0.270
2	O	-0.226
3	O	-0.149
4	O	-0.149
5	C	-0.018
6	C	-0.018
7	H	0.145
8	H	0.145

<r²>	115.716
(<r²>)^1/2	10.757

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

using model chemistry: PBEPBEultrafine/Def2TZVPP

States and conformations

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