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	hartrees
Energy at 0K	-340.966867
Energy at 298.15K
HF Energy	-340.966867
Nuclear repulsion energy	230.591148

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3332	3332	0.61
2	A₁	1940	1940	717.55
3	A₁	1691	1691	5.99
4	A₁	1206	1206	164.03
5	A₁	1134	1134	13.10
6	A₁	920	920	32.19
7	A₁	750	750	3.91
8	A₂	857	857	0.00
9	A₂	590	590	0.00
10	B₁	795	795	1.02
11	B₁	733	733	89.39
12	B₁	246	246	0.39
13	B₂	3307	3307	10.58
14	B₂	1378	1378	32.11
15	B₂	1116	1116	100.44
16	B₂	1058	1058	25.91
17	B₂	909	909	0.58
18	B₂	532	532	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.781
O2	0.000	1.964
O3	1.100	-0.021
O4	-1.100	-0.021
C5	0.662	-1.322
C6	-0.662	-1.322
H7	1.401	-2.101
H8	-1.401	-2.101

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1834	1.3616	1.3616	2.2046	2.2046	3.2044	3.2044
O2	1.1834		2.2699	2.2699	3.3523	3.3523	4.3000	4.3000
O3	1.3616	2.2699		2.2008	1.3729	2.1903	2.1015	3.2533
O4	1.3616	2.2699	2.2008		2.1903	1.3729	3.2533	2.1015
C5	2.2046	3.3523	1.3729	2.1903		1.3234	1.0741	2.2050
C6	2.2046	3.3523	2.1903	1.3729	1.3234		2.2050	1.0741
H7	3.2044	4.3000	2.1015	3.2533	1.0741	2.2050		2.8024
H8	3.2044	4.3000	3.2533	2.1015	2.2050	1.0741	2.8024

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.448	C1	O4	C6	107.448
O2	C1	O3	126.084	O2	C1	O4	126.084
O3	C1	O4	107.832	O3	C5	C6	108.636
O3	C5	H7	117.851	O4	C6	C5	108.636
O4	C6	H8	117.851	C5	C6	H8	133.513
C6	C5	H7	133.513

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

using model chemistry: HSEh1PBE/daug-cc-pVTZ

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	1.025
2	O	-1.095
3	O	-0.582
4	O	-0.582
5	C	-0.222
6	C	-0.222
7	H	0.839
8	H	0.839

<r²>	113.594
(<r²>)^1/2	10.658

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

using model chemistry: HSEh1PBE/daug-cc-pVTZ

States and conformations

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