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	hartrees
Energy at 0K	-340.827919
Energy at 298.15K
HF Energy	-340.827919
Nuclear repulsion energy	227.033206

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3264	3226	0.35
2	A₁	1865	1844	623.07
3	A₁	1619	1601	4.00
4	A₁	1153	1140	127.36
5	A₁	1087	1074	16.91
6	A₁	860	850	34.44
7	A₁	712	704	2.68
8	A₂	764	756	0.00
9	A₂	553	547	0.00
10	B₁	728	720	1.52
11	B₁	673	665	90.46
12	B₁	237	234	0.68
13	B₂	3240	3203	9.09
14	B₂	1315	1300	23.71
15	B₂	1067	1054	76.34
16	B₂	979	968	51.08
17	B₂	864	855	0.47
18	B₂	497	491	0.05

Atom	y (Å)	z (Å)
C1	0.000	0.793
O2	0.000	1.997
O3	1.121	-0.026
O4	-1.121	-0.026
C5	0.672	-1.340
C6	-0.672	-1.340
H7	1.423	-2.123
H8	-1.423	-2.123

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2044	1.3875	1.3875	2.2356	2.2356	3.2440	3.2440
O2	1.2044		2.3122	2.3122	3.4036	3.4036	4.3585	4.3585
O3	1.3875	2.3122		2.2412	1.3886	2.2227	2.1187	3.2969
O4	1.3875	2.3122	2.2412		2.2227	1.3886	3.2969	2.1187
C5	2.2356	3.4036	1.3886	2.2227		1.3440	1.0851	2.2369
C6	2.2356	3.4036	2.2227	1.3886	1.3440		2.2369	1.0851
H7	3.2440	4.3585	2.1187	3.2969	1.0851	2.2369		2.8469
H8	3.2440	4.3585	3.2969	2.1187	2.2369	1.0851	2.8469

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.281	C1	O4	C6	107.281
O2	C1	O3	126.131	O2	C1	O4	126.131
O3	C1	O4	107.739	O3	C5	C6	108.849
O3	C5	H7	117.323	O4	C6	C5	108.849
O4	C6	H8	117.323	C5	C6	H8	133.828
C6	C5	H7	133.828

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

using model chemistry: PBEPBE/6-31+G**

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	0.644
2	O	-0.461
3	O	-0.286
4	O	-0.286
5	C	0.011
6	C	0.011
7	H	0.184
8	H	0.184

	x	y	z	Total
	0.000	0.000	-4.645	4.645
CHELPG
AIM
ESP

<r²>	116.738
(<r²>)^1/2	10.805

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

using model chemistry: PBEPBE/6-31+G**

States and conformations

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