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	hartrees
Energy at 0K	-340.695708
Energy at 298.15K
HF Energy	-340.695708
Nuclear repulsion energy	225.575512

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3409	3261	1.79
2	A₁	1891	1809	540.77
3	A₁	1681	1608	0.00
4	A₁	1186	1135	79.57
5	A₁	1086	1039	69.68
6	A₁	867	829	30.56
7	A₁	729	697	2.93
8	A₂	882	843	0.00
9	A₂	567	543	0.00
10	B₁	779	745	34.02
11	B₁	709	678	77.44
12	B₁	246	236	2.87
13	B₂	3380	3233	13.10
14	B₂	1345	1287	6.79
15	B₂	1059	1013	78.99
16	B₂	984	942	62.32
17	B₂	887	848	1.50
18	B₂	505	483	0.01

Atom	y (Å)	z (Å)
C1	0.000	0.809
O2	0.000	2.016
O3	1.123	-0.026
O4	-1.123	-0.026
C5	0.667	-1.359
C6	-0.667	-1.359
H7	1.414	-2.129
H8	-1.414	-2.129

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2065	1.3998	1.3998	2.2684	2.2684	3.2609	3.2609
O2	1.2065		2.3306	2.3306	3.4398	3.4398	4.3794	4.3794
O3	1.3998	2.3306		2.2460	1.4082	2.2316	2.1227	3.2952
O4	1.3998	2.3306	2.2460		2.2316	1.4082	3.2952	2.1227
C5	2.2684	3.4398	1.4082	2.2316		1.3343	1.0730	2.2192
C6	2.2684	3.4398	2.2316	1.4082	1.3343		2.2192	1.0730
H7	3.2609	4.3794	2.1227	3.2952	1.0730	2.2192		2.8282
H8	3.2609	4.3794	3.2952	2.1227	2.2192	1.0730	2.8282

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.768	C1	O4	C6	107.768
O2	C1	O3	126.655	O2	C1	O4	126.655
O3	C1	O4	106.690	O3	C5	C6	108.887
O3	C5	H7	116.994	O4	C6	C5	108.887
O4	C6	H8	116.994	C5	C6	H8	134.118
C6	C5	H7	134.118

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

using model chemistry: HSEh1PBE/6-31G

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	0.735
2	O	-0.374
3	O	-0.496
4	O	-0.496
5	C	0.073
6	C	0.073
7	H	0.242
8	H	0.242

	x	y	z	Total
	0.000	0.000	-5.131	5.131
CHELPG
AIM
ESP

<r²>	118.023
(<r²>)^1/2	10.864

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

using model chemistry: HSEh1PBE/6-31G

States and conformations

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