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	hartrees
Energy at 0K	-339.829934
Energy at 298.15K
HF Energy	-339.195480
Nuclear repulsion energy	220.154605

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3364	3247	0.01
2	A₁	1743	1682	542.80
3	A₁	1563	1509	0.40
4	A₁	1148	1108	79.18
5	A₁	1011	976	98.94
6	A₁	767	741	53.41
7	A₁	687	664	0.18
8	A₂	766	740	0.00
9	A₂	536	518	0.00
10	B₁	720	695	39.70
11	B₁	665	642	81.52
12	B₁	233	225	5.05
13	B₂	3327	3211	8.07
14	B₂	1295	1250	3.21
15	B₂	996	961	32.18
16	B₂	904	872	86.42
17	B₂	798	771	52.93
18	B₂	468	452	0.18

Atom	y (Å)	z (Å)
C1	0.000	0.835
O2	0.000	2.064
O3	1.154	-0.030
O4	-1.154	-0.030
C5	0.683	-1.393
C6	-0.683	-1.393
H7	1.439	-2.165
H8	-1.439	-2.165

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2296	1.4420	1.4420	2.3297	2.3297	3.3272	3.3272
O2	1.2296		2.3910	2.3910	3.5238	3.5238	4.4676	4.4676
O3	1.4420	2.3910		2.3087	1.4424	2.2877	2.1545	3.3596
O4	1.4420	2.3910	2.3087		2.2877	1.4424	3.3596	2.1545
C5	2.3297	3.5238	1.4424	2.2877		1.3658	1.0810	2.2582
C6	2.3297	3.5238	2.2877	1.4424	1.3658		2.2582	1.0810
H7	3.3272	4.4676	2.1545	3.3596	1.0810	2.2582		2.8782
H8	3.3272	4.4676	3.3596	2.1545	2.2582	1.0810	2.8782

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.741	C1	O4	C6	107.741
O2	C1	O3	126.820	O2	C1	O4	126.820
O3	C1	O4	106.360	O3	C5	C6	109.079
O3	C5	H7	116.532	O4	C6	C5	109.079
O4	C6	H8	116.532	C5	C6	H8	134.389
C6	C5	H7	134.389

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

using model chemistry: MP2/SDD

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: MP2/SDD

States and conformations

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