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	hartrees
Energy at 0K	-341.209237
Energy at 298.15K
HF Energy	-341.209237
Nuclear repulsion energy	229.035576

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3324	3207	0.01
2	A₁	1927	1860	565.93
3	A₁	1672	1613	2.10
4	A₁	1191	1149	108.45
5	A₁	1121	1082	31.76
6	A₁	895	863	27.01
7	A₁	733	707	2.94
8	A₂	800	772	0.00
9	A₂	574	554	0.00
10	B₁	777	750	0.05
11	B₁	722	697	74.93
12	B₁	245	236	0.72
13	B₂	3297	3182	5.49
14	B₂	1366	1319	23.86
15	B₂	1096	1058	86.44
16	B₂	1014	979	32.60
17	B₂	891	860	0.25
18	B₂	516	498	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.786
O2	0.000	1.976
O3	1.111	-0.022
O4	-1.111	-0.022
C5	0.665	-1.330
C6	-0.665	-1.330
H7	1.413	-2.103
H8	-1.413	-2.103

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1904	1.3740	1.3740	2.2182	2.2182	3.2161	3.2161
O2	1.1904		2.2867	2.2867	3.3727	3.3727	4.3172	4.3172
O3	1.3740	2.2867		2.2222	1.3818	2.2058	2.1026	3.2712
O4	1.3740	2.2867	2.2222		2.2058	1.3818	3.2712	2.1026
C5	2.2182	3.3727	1.3818	2.2058		1.3304	1.0755	2.2172
C6	2.2182	3.3727	2.2058	1.3818	1.3304		2.2172	1.0755
H7	3.2161	4.3172	2.1026	3.2712	1.0755	2.2172		2.8258
H8	3.2161	4.3172	3.2712	2.1026	2.2172	1.0755	2.8258

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.206	C1	O4	C6	107.206
O2	C1	O3	126.033	O2	C1	O4	126.033
O3	C1	O4	107.934	O3	C5	C6	108.827
O3	C5	H7	117.125	O4	C6	C5	108.827
O4	C6	H8	117.125	C5	C6	H8	134.048
C6	C5	H7	134.048

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

using model chemistry: TPSSh/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	0.594
2	O	-0.393
3	O	-0.250
4	O	-0.250
5	C	-0.041
6	C	-0.041
7	H	0.190
8	H	0.190

<r²>	114.158
(<r²>)^1/2	10.684

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

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

States and conformations

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