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	hartrees
Energy at 0K	-341.137370
Energy at 298.15K
HF Energy	-341.137370
Nuclear repulsion energy	229.793235

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3352	3352	0.54
2	A₁	1934	1934	714.11
3	A₁	1698	1698	5.73
4	A₁	1204	1204	157.28
5	A₁	1129	1129	12.54
6	A₁	919	919	31.88
7	A₁	748	748	3.78
8	A₂	835	835	0.00
9	A₂	586	586	0.00
10	B₁	790	790	0.95
11	B₁	728	728	90.00
12	B₁	248	248	0.45
13	B₂	3324	3324	10.79
14	B₂	1372	1372	33.37
15	B₂	1113	1113	101.93
16	B₂	1063	1063	21.57
17	B₂	910	910	0.68
18	B₂	527	527	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.781
O2	0.000	1.971
O3	1.104	-0.021
O4	-1.104	-0.021
C5	0.666	-1.326
C6	-0.666	-1.326
H7	1.409	-2.108
H8	-1.409	-2.108

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1896	1.3647	1.3647	2.2097	2.2097	3.2149	3.2149
O2	1.1896		2.2773	2.2773	3.3632	3.3632	4.3158	4.3158
O3	1.3647	2.2773		2.2084	1.3768	2.1989	2.1098	3.2671
O4	1.3647	2.2773	2.2084		2.1989	1.3768	3.2671	2.1098
C5	2.2097	3.3632	1.3768	2.1989		1.3310	1.0794	2.2171
C6	2.2097	3.3632	2.1989	1.3768	1.3310		2.2171	1.0794
H7	3.2149	4.3158	2.1098	3.2671	1.0794	2.2171		2.8177
H8	3.2149	4.3158	3.2671	2.1098	2.2171	1.0794	2.8177

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.413	C1	O4	C6	107.413
O2	C1	O3	125.993	O2	C1	O4	125.993
O3	C1	O4	108.014	O3	C5	C6	108.580
O3	C5	H7	117.897	O4	C6	C5	108.580
O4	C6	H8	117.897	C5	C6	H8	133.523
C6	C5	H7	133.523

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

using model chemistry: mPW1PW91/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	0.433
2	O	-1.080
3	O	-0.392
4	O	-0.392
5	C	1.461
6	C	1.461
7	H	-0.745
8	H	-0.745

<r²>	114.239
(<r²>)^1/2	10.688

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

using model chemistry: mPW1PW91/daug-cc-pVDZ

States and conformations

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