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	hartrees
Energy at 0K	-340.472427
Energy at 298.15K
HF Energy	-339.371278
Nuclear repulsion energy	230.182260

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3371	3187	0.40
2	A₁	1985	1877	615.71
3	A₁	1716	1623	2.46
4	A₁	1224	1158	151.63
5	A₁	1146	1083	21.93
6	A₁	930	879	27.54
7	A₁	757	716	3.40
8	A₂	821	776	0.00
9	A₂	577	545	0.00
10	B₁	819	774	8.24
11	B₁	744	703	71.69
12	B₁	239	226	1.08
13	B₂	3343	3161	10.25
14	B₂	1401	1325	36.30
15	B₂	1133	1071	118.13
16	B₂	1102	1042	0.32
17	B₂	919	869	2.16
18	B₂	540	510	0.07

Atom	y (Å)	z (Å)
C1	0.000	0.778
O2	0.000	1.962
O3	1.105	-0.017
O4	-1.105	-0.017
C5	0.664	-1.325
C6	-0.664	-1.325
H7	1.408	-2.099
H8	-1.408	-2.099

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1837	1.3616	1.3616	2.2052	2.2052	3.2031	3.2031
O2	1.1837		2.2664	2.2664	3.3530	3.3530	4.2978	4.2978
O3	1.3616	2.2664		2.2108	1.3805	2.2003	2.1039	3.2639
O4	1.3616	2.2664	2.2108		2.2003	1.3805	3.2639	2.1039
C5	2.2052	3.3530	1.3805	2.2003		1.3277	1.0739	2.2119
C6	2.2052	3.3530	2.2003	1.3805	1.3277		2.2119	1.0739
H7	3.2031	4.2978	2.1039	3.2639	1.0739	2.2119		2.8165
H8	3.2031	4.2978	3.2639	2.1039	2.2119	1.0739	2.8165

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.067	C1	O4	C6	107.067
O2	C1	O3	125.720	O2	C1	O4	125.720
O3	C1	O4	108.559	O3	C5	C6	108.654
O3	C5	H7	117.462	O4	C6	C5	108.654
O4	C6	H8	117.462	C5	C6	H8	133.884
C6	C5	H7	133.884

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

using model chemistry: CCSD/6-31G(2df,p)

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: CCSD/6-31G(2df,p)

States and conformations

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