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	hartrees
Energy at 0K	-338.878602
Energy at 298.15K
HF Energy	-338.655556
Nuclear repulsion energy	223.777294

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3384	3384	0.94
2	A₁	1889	1889	422.71
3	A₁	1635	1635	0.42
4	A₁	1187	1187	48.22
5	A₁	1059	1059	81.00
6	A₁	816	816	33.19
7	A₁	720	720	3.01
8	A₂	875	875	0.00
9	A₂	565	565	0.00
10	B₁	775	775	30.10
11	B₁	711	711	76.65
12	B₁	238	238	3.11
13	B₂	3355	3355	7.41
14	B₂	1354	1354	1.59
15	B₂	1028	1028	63.87
16	B₂	935	935	52.54
17	B₂	845	845	10.87
18	B₂	502	502	0.10

Atom	y (Å)	z (Å)
C1	0.000	0.820
O2	0.000	2.025
O3	1.141	-0.026
O4	-1.141	-0.026
C5	0.667	-1.368
C6	-0.667	-1.368
H7	1.402	-2.147
H8	-1.402	-2.147

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2055	1.4204	1.4204	2.2873	2.2873	3.2812	3.2812
O2	1.2055		2.3473	2.3473	3.4584	3.4584	4.4014	4.4014
O3	1.4204	2.3473		2.2822	1.4234	2.2518	2.1368	3.3114
O4	1.4204	2.3473	2.2822		2.2518	1.4234	3.3114	2.1368
C5	2.2873	3.4584	1.4234	2.2518		1.3342	1.0708	2.2108
C6	2.2873	3.4584	2.2518	1.4234	1.3342		2.2108	1.0708
H7	3.2812	4.4014	2.1368	3.3114	1.0708	2.2108		2.8041
H8	3.2812	4.4014	3.3114	2.1368	2.2108	1.0708	2.8041

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.092	C1	O4	C6	107.092
O2	C1	O3	126.545	O2	C1	O4	126.545
O3	C1	O4	106.910	O3	C5	C6	109.453
O3	C5	H7	117.201	O4	C6	C5	109.453
O4	C6	H8	117.201	C5	C6	H8	133.346
C6	C5	H7	133.346

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

using model chemistry: B2PLYP=FULLultrafine/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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All results from a given calculation for C3H2O3 (vinylene carbonate)

using model chemistry: B2PLYP=FULLultrafine/3-21G*

States and conformations

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