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	hartrees
Energy at 0K	-341.122926
Energy at 298.15K
HF Energy	-341.122926
Nuclear repulsion energy	230.010682

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3327	3203	0.17
2	A₁	1953	1880	653.19
3	A₁	1685	1622	2.39
4	A₁	1199	1154	155.57
5	A₁	1132	1089	11.70
6	A₁	911	877	28.14
7	A₁	747	719	3.37
8	A₂	814	783	0.00
9	A₂	581	560	0.00
10	B₁	785	756	2.26
11	B₁	713	686	92.17
12	B₁	244	235	0.93
13	B₂	3301	3178	6.04
14	B₂	1374	1322	37.88
15	B₂	1110	1069	104.98
16	B₂	1033	995	34.79
17	B₂	906	872	0.00
18	B₂	531	512	0.01

Atom	y (Å)	z (Å)
C1	0.000	0.784
O2	0.000	1.968
O3	1.104	-0.022
O4	-1.104	-0.022
C5	0.664	-1.325
C6	-0.664	-1.325
H7	1.411	-2.100
H8	-1.411	-2.100

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1840	1.3672	1.3672	2.2107	2.2107	3.2102	3.2102
O2	1.1840		2.2759	2.2759	3.3590	3.3590	4.3054	4.3054
O3	1.3672	2.2759		2.2088	1.3753	2.1962	2.1002	3.2623
O4	1.3672	2.2759	2.2088		2.1962	1.3753	3.2623	2.1002
C5	2.2107	3.3590	1.3753	2.1962		1.3273	1.0764	2.2144
C6	2.2107	3.3590	2.1962	1.3753	1.3273		2.2144	1.0764
H7	3.2102	4.3054	2.1002	3.2623	1.0764	2.2144		2.8213
H8	3.2102	4.3054	3.2623	2.1002	2.2144	1.0764	2.8213

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.428	C1	O4	C6	107.428
O2	C1	O3	126.119	O2	C1	O4	126.119
O3	C1	O4	107.762	O3	C5	C6	108.691
O3	C5	H7	117.361	O4	C6	C5	108.691
O4	C6	H8	117.361	C5	C6	H8	133.948
C6	C5	H7	133.948

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

using model chemistry: B3PW91/6-311G*

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	0.507
2	O	-0.322
3	O	-0.257
4	O	-0.257
5	C	-0.087
6	C	-0.087
7	H	0.251
8	H	0.251

<r²>	113.769
(<r²>)^1/2	10.666

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

using model chemistry: B3PW91/6-311G*

States and conformations

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