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	hartrees
Energy at 0K	-338.920772
Energy at 298.15K
HF Energy	-338.920772
Nuclear repulsion energy	222.568687

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3284	3254	0.62
2	A₁	1866	1849	388.83
3	A₁	1590	1576	0.63
4	A₁	1140	1130	48.80
5	A₁	1031	1021	50.87
6	A₁	790	782	29.02
7	A₁	695	689	2.60
8	A₂	830	822	0.00
9	A₂	553	548	0.00
10	B₁	738	732	34.63
11	B₁	676	670	66.94
12	B₁	236	234	2.46
13	B₂	3255	3225	5.50
14	B₂	1297	1286	0.76
15	B₂	1002	993	54.28
16	B₂	894	886	36.14
17	B₂	799	792	18.80
18	B₂	480	476	0.19

Atom	y (Å)	z (Å)
C1	0.000	0.823
O2	0.000	2.035
O3	1.152	-0.029
O4	-1.152	-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	1.4323	1.4323	2.2934	2.2934	3.2988	3.2988
O2	1.2120		2.3632	2.3632	3.4705	3.4705	4.4248	4.4248
O3	1.4323	2.3632		2.3031	1.4245	2.2635	2.1458	3.3323
O4	1.4323	2.3632	2.3031		2.2635	1.4245	3.3323	2.1458
C5	2.2934	3.4705	1.4245	2.2635		1.3434	1.0812	2.2272
C6	2.2934	3.4705	2.2635	1.4245	1.3434		2.2272	1.0812
H7	3.2988	4.4248	2.1458	3.3323	1.0812	2.2272		2.8221
H8	3.2988	4.4248	3.3323	2.1458	2.2272	1.0812	2.8221

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	106.798	C1	O4	C6	106.798
O2	C1	O3	126.485	O2	C1	O4	126.485
O3	C1	O4	107.031	O3	C5	C6	109.687
O3	C5	H7	117.169	O4	C6	C5	109.687
O4	C6	H8	117.169	C5	C6	H8	133.145
C6	C5	H7	133.145

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

using model chemistry: PBEPBEultrafine/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>	120.120
(<r²>)^1/2	10.960

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

using model chemistry: PBEPBEultrafine/3-21G

States and conformations

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