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	hartrees
Energy at 0K	-341.221257
Energy at 298.15K
HF Energy	-341.221257
Nuclear repulsion energy	228.553612

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3326	3326	0.61
2	A₁	1896	1896	697.35
3	A₁	1669	1669	4.37
4	A₁	1177	1177	127.84
5	A₁	1109	1109	37.88
6	A₁	892	892	35.91
7	A₁	739	739	3.83
8	A₂	830	830	0.00
9	A₂	578	578	0.00
10	B₁	774	774	0.14
11	B₁	717	717	89.11
12	B₁	246	246	0.51
13	B₂	3300	3300	10.57
14	B₂	1351	1351	25.92
15	B₂	1088	1088	105.62
16	B₂	1019	1019	25.20
17	B₂	891	891	0.00
18	B₂	517	517	0.01

Atom	y (Å)	z (Å)
C1	0.000	0.789
O2	0.000	1.982
O3	1.111	-0.021
O4	-1.111	-0.021
C5	0.667	-1.334
C6	-0.667	-1.334
H7	1.412	-2.117
H8	-1.412	-2.117

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1931	1.3744	1.3744	2.2253	2.2253	3.2303	3.2303
O2	1.1931		2.2902	2.2902	3.3825	3.3825	4.3349	4.3349
O3	1.3744	2.2902		2.2212	1.3860	2.2101	2.1171	3.2796
O4	1.3744	2.2902	2.2212		2.2101	1.3860	3.2796	2.1171
C5	2.2253	3.3825	1.3860	2.2101		1.3342	1.0804	2.2217
C6	2.2253	3.3825	2.2101	1.3860	1.3342		2.2217	1.0804
H7	3.2303	4.3349	2.1171	3.2796	1.0804	2.2217		2.8245
H8	3.2303	4.3349	3.2796	2.1171	2.2217	1.0804	2.8245

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.437	C1	O4	C6	107.437
O2	C1	O3	126.097	O2	C1	O4	126.097
O3	C1	O4	107.807	O3	C5	C6	108.660
O3	C5	H7	117.736	O4	C6	C5	108.660
O4	C6	H8	117.736	C5	C6	H8	133.604
C6	C5	H7	133.604

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

using model chemistry: B3LYPultrafine/daug-cc-pVDZ

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	0.179
2	O	-1.010
3	O	-0.358
4	O	-0.358
5	C	1.755
6	C	1.755
7	H	-0.981
8	H	-0.981

<r²>	115.483
(<r²>)^1/2	10.746

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

using model chemistry: B3LYPultrafine/daug-cc-pVDZ

States and conformations

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