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	hartrees
Energy at 0K	-341.257994
Energy at 298.15K
HF Energy	-341.257994
Nuclear repulsion energy	229.291670

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3317	3205	0.25
2	A₁	1934	1869	641.33
3	A₁	1673	1616	1.73
4	A₁	1184	1145	133.81
5	A₁	1121	1083	32.40
6	A₁	896	865	30.67
7	A₁	744	719	3.61
8	A₂	811	784	0.00
9	A₂	578	558	0.00
10	B₁	779	753	1.95
11	B₁	709	685	90.34
12	B₁	243	234	1.01
13	B₂	3292	3181	5.57
14	B₂	1365	1319	31.79
15	B₂	1096	1059	111.44
16	B₂	1010	976	32.21
17	B₂	894	864	0.38
18	B₂	527	509	0.04

Atom	y (Å)	z (Å)
C1	0.000	0.789
O2	0.000	1.974
O3	1.108	-0.022
O4	-1.108	-0.022
C5	0.664	-1.331
C6	-0.664	-1.331
H7	1.411	-2.105
H8	-1.411	-2.105

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1849	1.3730	1.3730	2.2209	2.2209	3.2191	3.2191
O2	1.1849		2.2825	2.2825	3.3703	3.3703	4.3154	4.3154
O3	1.3730	2.2825		2.2163	1.3822	2.2030	2.1047	3.2686
O4	1.3730	2.2825	2.2163		2.2030	1.3822	3.2686	2.1047
C5	2.2209	3.3703	1.3822	2.2030		1.3278	1.0757	2.2145
C6	2.2209	3.3703	2.2030	1.3822	1.3278		2.2145	1.0757
H7	3.2191	4.3154	2.1047	3.2686	1.0757	2.2145		2.8219
H8	3.2191	4.3154	3.2686	2.1047	2.2145	1.0757	2.8219

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.435	C1	O4	C6	107.435
O2	C1	O3	126.184	O2	C1	O4	126.184
O3	C1	O4	107.632	O3	C5	C6	108.749
O3	C5	H7	117.266	O4	C6	C5	108.749
O4	C6	H8	117.266	C5	C6	H8	133.985
C6	C5	H7	133.985

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

using model chemistry: B3LYP/6-311G*

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	0.481
2	O	-0.304
3	O	-0.255
4	O	-0.255
5	C	-0.076
6	C	-0.076
7	H	0.244
8	H	0.244

<r²>	114.481
(<r²>)^1/2	10.700

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

using model chemistry: B3LYP/6-311G*

States and conformations

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