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	hartrees
Energy at 0K	-341.066673
Energy at 298.15K
HF Energy	-341.066673
Nuclear repulsion energy	230.039140

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3333	3204	0.06
2	A₁	1960	1885	591.60
3	A₁	1688	1623	2.17
4	A₁	1205	1158	136.56
5	A₁	1133	1089	11.29
6	A₁	916	881	25.83
7	A₁	747	718	3.08
8	A₂	817	786	0.00
9	A₂	585	562	0.00
10	B₁	794	763	1.83
11	B₁	729	701	76.60
12	B₁	248	238	0.64
13	B₂	3306	3179	7.78
14	B₂	1374	1321	28.69
15	B₂	1111	1068	87.08
16	B₂	1048	1007	29.32
17	B₂	908	873	0.93
18	B₂	527	507	0.01

Atom	y (Å)	z (Å)
C1	0.000	0.782
O2	0.000	1.968
O3	1.105	-0.022
O4	-1.105	-0.022
C5	0.664	-1.324
C6	-0.664	-1.324
H7	1.408	-2.101
H8	-1.408	-2.101

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1859	1.3663	1.3663	2.2079	2.2079	3.2087	3.2087
O2	1.1859		2.2760	2.2760	3.3579	3.3579	4.3059	4.3059
O3	1.3663	2.2760		2.2097	1.3744	2.1963	2.1015	3.2615
O4	1.3663	2.2760	2.2097		2.1963	1.3744	3.2615	2.1015
C5	2.2079	3.3579	1.3744	2.1963		1.3281	1.0761	2.2130
C6	2.2079	3.3579	2.1963	1.3744	1.3281		2.2130	1.0761
H7	3.2087	4.3059	2.1015	3.2615	1.0761	2.2130		2.8155
H8	3.2087	4.3059	3.2615	2.1015	2.2130	1.0761	2.8155

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.333	C1	O4	C6	107.333
O2	C1	O3	126.039	O2	C1	O4	126.039
O3	C1	O4	107.922	O3	C5	C6	108.706
O3	C5	H7	117.575	O4	C6	C5	108.706
O4	C6	H8	117.575	C5	C6	H8	133.719
C6	C5	H7	133.719

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

using model chemistry: B3PW91/6-31G(2df,p)

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	0.566
2	O	-0.383
3	O	-0.234
4	O	-0.234
5	C	-0.052
6	C	-0.052
7	H	0.194
8	H	0.194

<r²>	113.361
(<r²>)^1/2	10.647

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

using model chemistry: B3PW91/6-31G(2df,p)

States and conformations

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