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	hartrees
Energy at 0K	-340.495963
Energy at 298.15K
HF Energy	-339.416770
Nuclear repulsion energy	230.537907

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3367	3367	0.00
2	A₁	2013	2013	703.83
3	A₁	1716	1716	2.26
4	A₁	1237	1237	190.67
5	A₁	1154	1154	7.48
6	A₁	945	945	28.33
7	A₁	765	765	4.50
8	A₂	802	802	0.00
9	A₂	571	571	0.00
10	B₁	814	814	9.89
11	B₁	726	726	89.51
12	B₁	237	237	1.46
13	B₂	3341	3341	9.01
14	B₂	1416	1416	51.65
15	B₂	1145	1145	140.68
16	B₂	1123	1123	0.01
17	B₂	931	931	1.17
18	B₂	551	551	0.07

Atom	y (Å)	z (Å)
C1	0.000	0.778
O2	0.000	1.957
O3	1.102	-0.016
O4	-1.102	-0.016
C5	0.665	-1.323
C6	-0.665	-1.323
H7	1.411	-2.099
H8	-1.411	-2.099

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1792	1.3586	1.3586	2.2040	2.2040	3.2043	3.2043
O2	1.1792		2.2604	2.2604	3.3472	3.3472	4.2946	4.2946
O3	1.3586	2.2604		2.2045	1.3780	2.1983	2.1055	3.2639
O4	1.3586	2.2604	2.2045		2.1983	1.3780	3.2639	2.1055
C5	2.2040	3.3472	1.3780	2.1983		1.3309	1.0758	2.2164
C6	2.2040	3.3472	2.1983	1.3780	1.3309		2.2164	1.0758
H7	3.2043	4.2946	2.1055	3.2639	1.0758	2.2164		2.8213
H8	3.2043	4.2946	3.2639	2.1055	2.2164	1.0758	2.8213

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.294	C1	O4	C6	107.294
O2	C1	O3	125.776	O2	C1	O4	125.776
O3	C1	O4	108.449	O3	C5	C6	108.481
O3	C5	H7	117.676	O4	C6	C5	108.481
O4	C6	H8	117.676	C5	C6	H8	133.843
C6	C5	H7	133.843

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

using model chemistry: MP3=FULL/6-311G*

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/6-311G*

States and conformations

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