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	hartrees
Energy at 0K	-340.260472
Energy at 298.15K
HF Energy	-339.334980
Nuclear repulsion energy	229.512085

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3390	3181	0.18
2	A₁	2012	1888	654.02
3	A₁	1737	1630	1.13
4	A₁	1237	1161	162.50
5	A₁	1161	1090	22.65
6	A₁	941	883	27.06
7	A₁	761	714	3.80
8	A₂	791	742	0.00
9	A₂	562	527	0.00
10	B₁	799	750	7.78
11	B₁	727	682	86.89
12	B₁	242	227	1.65
13	B₂	3365	3158	8.48
14	B₂	1421	1333	41.02
15	B₂	1153	1082	133.39
16	B₂	1125	1055	8.85
17	B₂	925	868	2.69
18	B₂	540	507	0.15

Atom	y (Å)	z (Å)
C1	0.000	0.782
O2	0.000	1.971
O3	1.106	-0.018
O4	-1.106	-0.018
C5	0.665	-1.331
C6	-0.665	-1.331
H7	1.413	-2.104
H8	-1.413	-2.104

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1896	1.3643	1.3643	2.2142	2.2142	3.2131	3.2131
O2	1.1896		2.2755	2.2755	3.3680	3.3680	4.3134	4.3134
O3	1.3643	2.2755		2.2114	1.3850	2.2041	2.1090	3.2708
O4	1.3643	2.2755	2.2114		2.2041	1.3850	3.2708	2.1090
C5	2.2142	3.3680	1.3850	2.2041		1.3294	1.0764	2.2173
C6	2.2142	3.3680	2.2041	1.3850	1.3294		2.2173	1.0764
H7	3.2131	4.3134	2.1090	3.2708	1.0764	2.2173		2.8265
H8	3.2131	4.3134	3.2708	2.1090	2.2173	1.0764	2.8265

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.292	C1	O4	C6	107.292
O2	C1	O3	125.859	O2	C1	O4	125.859
O3	C1	O4	108.282	O3	C5	C6	108.567
O3	C5	H7	117.373	O4	C6	C5	108.567
O4	C6	H8	117.373	C5	C6	H8	134.060
C6	C5	H7	134.060

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

using model chemistry: MP3=FULL/6-31G*

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: MP3=FULL/6-31G*

States and conformations

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