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	hartrees
Energy at 0K	-340.809795
Energy at 298.15K
HF Energy	-340.809795
Nuclear repulsion energy	227.161519

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3267	3220	0.00
2	A₁	1896	1869	511.29
3	A₁	1633	1609	1.86
4	A₁	1160	1144	111.49
5	A₁	1098	1082	12.65
6	A₁	863	850	28.14
7	A₁	714	704	2.18
8	A₂	747	736	0.00
9	A₂	554	546	0.00
10	B₁	732	722	0.20
11	B₁	670	660	74.70
12	B₁	241	238	0.81
13	B₂	3243	3196	4.48
14	B₂	1328	1309	22.15
15	B₂	1073	1058	69.93
16	B₂	980	966	51.07
17	B₂	869	856	0.07
18	B₂	500	493	0.01

Atom	y (Å)	z (Å)
C1	0.000	0.792
O2	0.000	1.995
O3	1.121	-0.026
O4	-1.121	-0.026
C5	0.671	-1.338
C6	-0.671	-1.338
H7	1.424	-2.120
H8	-1.424	-2.120

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2029	1.3882	1.3882	2.2332	2.2332	3.2419	3.2419
O2	1.2029		2.3114	2.3114	3.3998	3.3998	4.3547	4.3547
O3	1.3882	2.3114		2.2427	1.3867	2.2212	2.1158	3.2961
O4	1.3882	2.3114	2.2427		2.2212	1.3867	3.2961	2.1158
C5	2.2332	3.3998	1.3867	2.2212		1.3425	1.0858	2.2367
C6	2.2332	3.3998	2.2212	1.3867	1.3425		2.2367	1.0858
H7	3.2419	4.3547	2.1158	3.2961	1.0858	2.2367		2.8483
H8	3.2419	4.3547	3.2961	2.1158	2.2367	1.0858	2.8483

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.181	C1	O4	C6	107.181
O2	C1	O3	126.120	O2	C1	O4	126.120
O3	C1	O4	107.760	O3	C5	C6	108.939
O3	C5	H7	117.161	O4	C6	C5	108.939
O4	C6	H8	117.161	C5	C6	H8	133.900
C6	C5	H7	133.900

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

using model chemistry: PBEPBE/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	0.729
2	O	-0.420
3	O	-0.391
4	O	-0.391
5	C	0.043
6	C	0.043
7	H	0.194
8	H	0.194

	x	y	z	Total
	0.000	0.000	-4.335	4.335
CHELPG
AIM
ESP

<r²>	115.870
(<r²>)^1/2	10.764

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

using model chemistry: PBEPBE/6-31G*

States and conformations

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