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	hartrees
Energy at 0K	-340.286231
Energy at 298.15K
HF Energy	-339.345434
Nuclear repulsion energy	228.490777

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3397	3172	0.23
2	A₁	1938	1810	719.21
3	A₁	1715	1602	3.61
4	A₁	1217	1137	152.99
5	A₁	1141	1066	43.02
6	A₁	914	853	34.14
7	A₁	746	696	3.83
8	A₂	786	734	0.00
9	A₂	544	508	0.00
10	B₁	774	722	1.26
11	B₁	715	668	100.75
12	B₁	227	212	1.32
13	B₂	3372	3149	10.07
14	B₂	1400	1308	36.70
15	B₂	1124	1049	143.93
16	B₂	1099	1026	0.07
17	B₂	909	849	0.95
18	B₂	527	493	0.02

Atom	y (Å)	z (Å)
C1	0.000	0.785
O2	0.000	1.981
O3	1.112	-0.019
O4	-1.112	-0.019
C5	0.667	-1.336
C6	-0.667	-1.336
H7	1.411	-2.110
H8	-1.411	-2.110

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1964	1.3718	1.3718	2.2238	2.2238	3.2205	3.2205
O2	1.1964		2.2883	2.2883	3.3842	3.3842	4.3279	4.3279
O3	1.3718	2.2883		2.2233	1.3906	2.2135	2.1125	3.2768
O4	1.3718	2.2883	2.2233		2.2135	1.3906	3.2768	2.1125
C5	2.2238	3.3842	1.3906	2.2135		1.3340	1.0733	2.2174
C6	2.2238	3.3842	2.2135	1.3906	1.3340		2.2174	1.0733
H7	3.2205	4.3279	2.1125	3.2768	1.0733	2.2174		2.8221
H8	3.2205	4.3279	3.2768	2.1125	2.2174	1.0733	2.8221

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.221	C1	O4	C6	107.221
O2	C1	O3	125.868	O2	C1	O4	125.868
O3	C1	O4	108.264	O3	C5	C6	108.647
O3	C5	H7	117.468	O4	C6	C5	108.647
O4	C6	H8	117.468	C5	C6	H8	133.885
C6	C5	H7	133.885

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

using model chemistry: CCSD/6-31+G**

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/6-31+G**

States and conformations

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