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	hartrees
Energy at 0K	-340.305398
Energy at 298.15K
HF Energy	-339.359495
Nuclear repulsion energy	228.353794

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3353	3217	0.05
2	A₁	1960	1881	618.53
3	A₁	1705	1636	4.04
4	A₁	1204	1155	164.44
5	A₁	1126	1081	11.37
6	A₁	906	869	33.02
7	A₁	744	714	2.97
8	A₂	811	778	0.00
9	A₂	567	544	0.00
10	B₁	793	761	6.21
11	B₁	724	695	76.34
12	B₁	234	224	1.32
13	B₂	3326	3191	8.34
14	B₂	1387	1331	46.36
15	B₂	1116	1071	121.99
16	B₂	1083	1039	3.97
17	B₂	908	871	1.08
18	B₂	533	511	0.02

Atom	y (Å)	z (Å)
C1	0.000	0.784
O2	0.000	1.976
O3	1.116	-0.018
O4	-1.116	-0.018
C5	0.671	-1.332
C6	-0.671	-1.332
H7	1.419	-2.120
H8	-1.419	-2.120

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1923	1.3740	1.3740	2.2196	2.2196	3.2322	3.2322
O2	1.1923		2.2848	2.2848	3.3753	3.3753	4.3351	4.3351
O3	1.3740	2.2848		2.2323	1.3875	2.2187	2.1243	3.2939
O4	1.3740	2.2848	2.2323		2.2187	1.3875	3.2939	2.1243
C5	2.2196	3.3753	1.3875	2.2187		1.3428	1.0866	2.2344
C6	2.2196	3.3753	2.2187	1.3875	1.3428		2.2344	1.0866
H7	3.2322	4.3351	2.1243	3.2939	1.0866	2.2344		2.8387
H8	3.2322	4.3351	3.2939	2.1243	2.2344	1.0866	2.8387

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	106.979	C1	O4	C6	106.979
O2	C1	O3	125.674	O2	C1	O4	125.674
O3	C1	O4	108.652	O3	C5	C6	108.695
O3	C5	H7	117.809	O4	C6	C5	108.695
O4	C6	H8	117.809	C5	C6	H8	133.496
C6	C5	H7	133.496

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

using model chemistry: QCISD/cc-pVDZ

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: QCISD/cc-pVDZ

States and conformations

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