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	hartrees
Energy at 0K	-339.215329
Energy at 298.15K
HF Energy	-339.215329
Nuclear repulsion energy	221.631451

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3272	3250	0.12
2	A₁	1838	1826	381.13
3	A₁	1579	1568	0.58
4	A₁	1139	1131	35.11
5	A₁	1003	997	60.33
6	A₁	767	762	30.99
7	A₁	688	684	3.29
8	A₂	820	815	0.00
9	A₂	546	543	0.00
10	B₁	729	724	30.07
11	B₁	664	659	62.22
12	B₁	232	230	2.43
13	B₂	3243	3222	3.71
14	B₂	1298	1289	0.52
15	B₂	979	973	56.03
16	B₂	887	881	30.90
17	B₂	760	755	21.65
18	B₂	473	470	0.37

Atom	y (Å)	z (Å)
C1	0.000	0.829
O2	0.000	2.042
O3	1.159	-0.029
O4	-1.159	-0.029
C5	0.671	-1.377
C6	-0.671	-1.377
H7	1.410	-2.164
H8	-1.410	-2.164

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2131	1.4414	1.4414	2.3061	2.3061	3.3091	3.3091
O2	1.2131		2.3728	2.3728	3.4846	3.4846	4.4367	4.4367
O3	1.4414	2.3728		2.3170	1.4338	2.2732	2.1506	3.3408
O4	1.4414	2.3728	2.3170		2.2732	1.4338	3.3408	2.1506
C5	2.3061	3.4846	1.4338	2.2732		1.3430	1.0797	2.2258
C6	2.3061	3.4846	2.2732	1.4338	1.3430		2.2258	1.0797
H7	3.3091	4.4367	2.1506	3.3408	1.0797	2.2258		2.8209
H8	3.3091	4.4367	3.3408	2.1506	2.2258	1.0797	2.8209

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	106.656	C1	O4	C6	106.656
O2	C1	O3	126.513	O2	C1	O4	126.513
O3	C1	O4	106.974	O3	C5	C6	109.857
O3	C5	H7	116.955	O4	C6	C5	109.857
O4	C6	H8	116.955	C5	C6	H8	133.188
C6	C5	H7	133.188

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

using model chemistry: BLYP/3-21G*

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	0.768
2	O	-0.421
3	O	-0.428
4	O	-0.428
5	C	0.029
6	C	0.029
7	H	0.225
8	H	0.225

	x	y	z	Total
	0.000	0.000	-4.146	4.146
CHELPG
AIM
ESP

<r²>	120.940
(<r²>)^1/2	10.997

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

using model chemistry: BLYP/3-21G*

States and conformations

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