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	hartrees
Energy at 0K	-338.068915
Energy at 298.15K
HF Energy	-337.422728
Nuclear repulsion energy	222.423768

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3378	3225	0.59
2	A₁	1856	1772	386.94
3	A₁	1603	1530	0.32
4	A₁	1192	1139	45.67
5	A₁	1051	1004	92.75
6	A₁	803	767	41.93
7	A₁	717	684	2.78
8	A₂	831	793	0.00
9	A₂	558	532	0.00
10	B₁	761	727	23.19
11	B₁	701	669	81.96
12	B₁	232	221	3.66
13	B₂	3349	3197	5.35
14	B₂	1361	1299	1.01
15	B₂	1029	982	48.33
16	B₂	929	887	71.39
17	B₂	843	805	15.61
18	B₂	507	484	0.17

Atom	y (Å)	z (Å)
C1	0.000	0.823
O2	0.000	2.036
O3	1.152	-0.026
O4	-1.152	-0.026
C5	0.671	-1.374
C6	-0.671	-1.374
H7	1.407	-2.156
H8	-1.407	-2.156

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.2126	1.4308	1.4308	2.2978	2.2978	3.2947	3.2947
O2	1.2126		2.3617	2.3617	3.4756	3.4756	4.4216	4.4216
O3	1.4308	2.3617		2.3031	1.4314	2.2672	2.1452	3.3290
O4	1.4308	2.3617	2.3031		2.2672	1.4314	3.3290	2.1452
C5	2.2978	3.4756	1.4314	2.2672		1.3422	1.0735	2.2201
C6	2.2978	3.4756	2.2672	1.4314	1.3422		2.2201	1.0735
H7	3.2947	4.4216	2.1452	3.3290	1.0735	2.2201		2.8139
H8	3.2947	4.4216	3.3290	2.1452	2.2201	1.0735	2.8139

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	106.795	C1	O4	C6	106.795
O2	C1	O3	126.408	O2	C1	O4	126.408
O3	C1	O4	107.184	O3	C5	C6	109.613
O3	C5	H7	117.113	O4	C6	C5	109.613
O4	C6	H8	117.113	C5	C6	H8	133.274
C6	C5	H7	133.274

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

using model chemistry: MP2=FULL/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: MP2=FULL/3-21G

States and conformations

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