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	hartrees
Energy at 0K	-340.881677
Energy at 298.15K
HF Energy	-340.570860
Nuclear repulsion energy	228.393684

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3370	3210	0.55
2	A₁	1901	1810	679.47
3	A₁	1673	1594	3.58
4	A₁	1198	1141	139.51
5	A₁	1125	1071	37.86
6	A₁	893	851	35.96
7	A₁	736	701	3.03
8	A₂	802	763	0.00
9	A₂	561	535	0.00
10	B₁	762	726	0.30
11	B₁	709	675	99.41
12	B₁	237	226	0.94
13	B₂	3346	3187	11.84
14	B₂	1373	1307	27.32
15	B₂	1101	1048	100.43
16	B₂	1041	992	42.91
17	B₂	898	855	0.02
18	B₂	516	492	0.01

Atom	y (Å)	z (Å)
C1	0.000	0.788
O2	0.000	1.986
O3	1.111	-0.023
O4	-1.111	-0.023
C5	0.667	-1.335
C6	-0.667	-1.335
H7	1.412	-2.110
H8	-1.412	-2.110

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1978	1.3755	1.3755	2.2256	2.2256	3.2237	3.2237
O2	1.1978		2.2953	2.2953	3.3874	3.3874	4.3324	4.3324
O3	1.3755	2.2953		2.2228	1.3858	2.2107	2.1092	3.2748
O4	1.3755	2.2953	2.2228		2.2107	1.3858	3.2748	2.1092
C5	2.2256	3.3874	1.3858	2.2107		1.3348	1.0745	2.2187
C6	2.2256	3.3874	2.2107	1.3858	1.3348		2.2187	1.0745
H7	3.2237	4.3324	2.1092	3.2748	1.0745	2.2187		2.8232
H8	3.2237	4.3324	3.2748	2.1092	2.2187	1.0745	2.8232

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.413	C1	O4	C6	107.413
O2	C1	O3	126.100	O2	C1	O4	126.100
O3	C1	O4	107.800	O3	C5	C6	108.687
O3	C5	H7	117.473	O4	C6	C5	108.687
O4	C6	H8	117.473	C5	C6	H8	133.840
C6	C5	H7	133.840

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

using model chemistry: B2PLYP/6-31+G**

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	0.774
2	O	-0.496
3	O	-0.370
4	O	-0.370
5	C	0.047
6	C	0.047
7	H	0.184
8	H	0.184

	x	y	z	Total
	0.000	0.000	-4.895	4.895
CHELPG
AIM
ESP

<r²>	115.744
(<r²>)^1/2	10.758

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

using model chemistry: B2PLYP/6-31+G**

States and conformations

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