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	hartrees
Energy at 0K	-338.920773
Energy at 298.15K
HF Energy	-338.920773
Nuclear repulsion energy	222.572833

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3286	3256	0.62
2	A₁	1867	1850	388.81
3	A₁	1591	1576	0.65
4	A₁	1139	1129	49.04
5	A₁	1030	1021	50.64
6	A₁	790	783	28.98
7	A₁	696	689	2.64
8	A₂	827	820	0.00
9	A₂	553	548	0.00
10	B₁	736	730	32.36
11	B₁	676	670	69.17
12	B₁	235	233	2.50
13	B₂	3256	3227	5.48
14	B₂	1297	1285	0.79
15	B₂	1002	993	54.47
16	B₂	894	886	36.01
17	B₂	799	792	18.72
18	B₂	480	476	0.19

Atom	y (Å)	z (Å)
C1	0.000	0.823
O2	0.000	2.035
O3	1.151	-0.029
O4	-1.151	-0.029
C5	0.672	-1.370
C6	-0.672	-1.370
H7	1.411	-2.159
H8	-1.411	-2.159

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2120	1.4322	1.4322	2.2935	2.2935	3.2988	3.2988
O2	1.2120		2.3631	2.3631	3.4705	3.4705	4.4248	4.4248
O3	1.4322	2.3631		2.3030	1.4245	2.2634	2.1459	3.3323
O4	1.4322	2.3631	2.3030		2.2634	1.4245	3.3323	2.1459
C5	2.2935	3.4705	1.4245	2.2634		1.3434	1.0812	2.2271
C6	2.2935	3.4705	2.2634	1.4245	1.3434		2.2271	1.0812
H7	3.2988	4.4248	2.1459	3.3323	1.0812	2.2271		2.8221
H8	3.2988	4.4248	3.3323	2.1459	2.2271	1.0812	2.8221

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	106.803	C1	O4	C6	106.803
O2	C1	O3	126.486	O2	C1	O4	126.486
O3	C1	O4	107.028	O3	C5	C6	109.683
O3	C5	H7	117.173	O4	C6	C5	109.683
O4	C6	H8	117.173	C5	C6	H8	133.144
C6	C5	H7	133.144

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

using model chemistry: PBEPBE/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	0.783
2	O	-0.428
3	O	-0.434
4	O	-0.434
5	C	0.001
6	C	0.001
7	H	0.256
8	H	0.256

	x	y	z	Total
	0.000	0.000	-4.214	4.214
CHELPG
AIM
ESP

<r²>	120.117
(<r²>)^1/2	10.960

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

using model chemistry: PBEPBE/3-21G

States and conformations

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