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	hartrees
Energy at 0K	-340.412186
Energy at 298.15K
HF Energy	-339.467644
Nuclear repulsion energy	232.668530

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3461	3218	0.45
2	A₁	2042	1899	793.70
3	A₁	1797	1671	4.56
4	A₁	1281	1191	197.36
5	A₁	1199	1115	18.93
6	A₁	984	915	27.19
7	A₁	788	732	4.91
8	A₂	934	868	0.00
9	A₂	612	569	0.00
10	B₁	864	803	5.96
11	B₁	799	743	94.15
12	B₁	248	231	0.74
13	B₂	3433	3192	13.67
14	B₂	1470	1367	51.64
15	B₂	1196	1112	131.67
16	B₂	1149	1068	2.30
17	B₂	957	890	3.05
18	B₂	568	528	0.03

Atom	y (Å)	z (Å)
C1	0.000	0.772
O2	0.000	1.945
O3	1.089	-0.016
O4	-1.089	-0.016
C5	0.656	-1.314
C6	-0.656	-1.314
H7	1.387	-2.086
H8	-1.387	-2.086

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1725	1.3444	1.3444	2.1864	2.1864	3.1766	3.1766
O2	1.1725		2.2429	2.2429	3.3235	3.3235	4.2622	4.2622
O3	1.3444	2.2429		2.1781	1.3679	2.1743	2.0908	3.2271
O4	1.3444	2.2429	2.1781		2.1743	1.3679	3.2271	2.0908
C5	2.1864	3.3235	1.3679	2.1743		1.3114	1.0634	2.1838
C6	2.1864	3.3235	2.1743	1.3679	1.3114		2.1838	1.0634
H7	3.1766	4.2622	2.0908	3.2271	1.0634	2.1838		2.7742
H8	3.1766	4.2622	3.2271	2.0908	2.1838	1.0634	2.7742

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.427	C1	O4	C6	107.427
O2	C1	O3	125.896	O2	C1	O4	125.896
O3	C1	O4	108.208	O3	C5	C6	108.469
O3	C5	H7	118.078	O4	C6	C5	108.469
O4	C6	H8	118.078	C5	C6	H8	133.452
C6	C5	H7	133.452

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

using model chemistry: CISD/cc-pVTZ

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: CISD/cc-pVTZ

States and conformations

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