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	hartrees
Energy at 0K	-340.886226
Energy at 298.15K
HF Energy	-340.886226
Nuclear repulsion energy	229.713812

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3348	3348	0.63
2	A₁	1932	1932	713.22
3	A₁	1695	1695	5.83
4	A₁	1201	1201	158.97
5	A₁	1126	1126	10.46
6	A₁	917	917	32.02
7	A₁	748	748	3.67
8	A₂	834	834	0.00
9	A₂	586	586	0.00
10	B₁	788	788	0.87
11	B₁	725	725	89.54
12	B₁	248	248	0.43
13	B₂	3321	3321	11.20
14	B₂	1368	1368	33.67
15	B₂	1110	1110	98.97
16	B₂	1061	1061	23.24
17	B₂	909	909	0.61
18	B₂	526	526	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.782
O2	0.000	1.972
O3	1.104	-0.021
O4	-1.104	-0.021
C5	0.666	-1.326
C6	-0.666	-1.326
H7	1.410	-2.110
H8	-1.410	-2.110

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1901	1.3652	1.3652	2.2104	2.2104	3.2167	3.2167
O2	1.1901		2.2782	2.2782	3.3643	3.3643	4.3180	4.3180
O3	1.3652	2.2782		2.2089	1.3769	2.1995	2.1109	3.2688
O4	1.3652	2.2782	2.2089		2.1995	1.3769	3.2688	2.1109
C5	2.2104	3.3643	1.3769	2.1995		1.3318	1.0806	2.2188
C6	2.2104	3.3643	2.1995	1.3769	1.3318		2.2188	1.0806
H7	3.2167	4.3180	2.1109	3.2688	1.0806	2.2188		2.8200
H8	3.2167	4.3180	3.2688	2.1109	2.2188	1.0806	2.8200

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.429	C1	O4	C6	107.429
O2	C1	O3	126.003	O2	C1	O4	126.003
O3	C1	O4	107.995	O3	C5	C6	108.574
O3	C5	H7	117.905	O4	C6	C5	108.574
O4	C6	H8	117.905	C5	C6	H8	133.521
C6	C5	H7	133.521

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

using model chemistry: HSEh1PBE/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	0.463
2	O	-1.089
3	O	-0.413
4	O	-0.413
5	C	1.510
6	C	1.510
7	H	-0.784
8	H	-0.784

<r²>	114.352
(<r²>)^1/2	10.694

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

using model chemistry: HSEh1PBE/daug-cc-pVDZ

States and conformations

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