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	hartrees
Energy at 0K	-336.349496
Energy at 298.15K
HF Energy	-336.349496
Nuclear repulsion energy	221.557323

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3574	3156	22.84
2	A₁	1994	1761	188.43
3	A₁	1775	1568	0.14
4	A₁	1236	1092	60.31
5	A₁	1175	1037	0.66
6	A₁	881	778	19.36
7	A₁	709	626	0.81
8	A₂	887	783	0.00
9	A₂	554	489	0.00
10	B₁	762	673	24.49
11	B₁	638	564	18.76
12	B₁	239	212	0.24
13	B₂	3536	3123	51.25
14	B₂	1456	1286	3.75
15	B₂	1137	1004	4.46
16	B₂	1077	951	51.35
17	B₂	918	810	0.73
18	B₂	478	422	1.15

Atom	y (Å)	z (Å)
C1	0.000	0.805
O2	0.000	2.040
O3	1.177	-0.033
O4	-1.177	-0.033
C5	0.672	-1.356
C6	-0.672	-1.356
H7	1.401	-2.172
H8	-1.401	-2.172

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2346	1.4452	1.4452	2.2634	2.2634	3.2898	3.2898
O2	1.2346		2.3838	2.3838	3.4618	3.4618	4.4382	4.4382
O3	1.4452	2.3838		2.3547	1.4162	2.2742	2.1503	3.3495
O4	1.4452	2.3838	2.3547		2.2742	1.4162	3.3495	2.1503
C5	2.2634	3.4618	1.4162	2.2742		1.3446	1.0934	2.2275
C6	2.2634	3.4618	2.2742	1.4162	1.3446		2.2275	1.0934
H7	3.2898	4.4382	2.1503	3.3495	1.0934	2.2275		2.8010
H8	3.2898	4.4382	3.3495	2.1503	2.2275	1.0934	2.8010

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	104.553	C1	O4	C6	104.553
O2	C1	O3	125.447	O2	C1	O4	125.447
O3	C1	O4	109.106	O3	C5	C6	110.894
O3	C5	H7	117.343	O4	C6	C5	110.894
O4	C6	H8	117.343	C5	C6	H8	131.763
C6	C5	H7	131.763

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

using model chemistry: HSEh1PBE/STO-3G

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	0.284
2	O	-0.193
3	O	-0.137
4	O	-0.137
5	C	-0.026
6	C	-0.026
7	H	0.117
8	H	0.117

<r²>	119.024
(<r²>)^1/2	10.910

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

using model chemistry: HSEh1PBE/STO-3G

States and conformations

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