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	hartrees
Energy at 0K	-341.103026
Energy at 298.15K
HF Energy	-340.684526
Nuclear repulsion energy	229.836571

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3340	3340	0.72
2	A₁	1904	1904	687.64
3	A₁	1664	1664	4.96
4	A₁	1197	1197	137.28
5	A₁	1126	1126	38.16
6	A₁	899	899	38.35
7	A₁	744	744	3.14
8	A₂	839	839	0.00
9	A₂	584	584	0.00
10	B₁	785	785	1.67
11	B₁	722	722	88.28
12	B₁	243	243	0.52
13	B₂	3316	3316	10.94
14	B₂	1374	1374	23.69
15	B₂	1104	1104	98.16
16	B₂	1035	1035	37.27
17	B₂	900	900	0.00
18	B₂	527	527	0.01

Atom	y (Å)	z (Å)
C1	0.000	0.785
O2	0.000	1.971
O3	1.105	-0.022
O4	-1.105	-0.022
C5	0.663	-1.327
C6	-0.663	-1.327
H7	1.402	-2.103
H8	-1.402	-2.103

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1863	1.3675	1.3675	2.2134	2.2134	3.2100	3.2100
O2	1.1863		2.2781	2.2781	3.3640	3.3640	4.3084	4.3084
O3	1.3675	2.2781		2.2092	1.3781	2.1978	2.1026	3.2583
O4	1.3675	2.2781	2.2092		2.1978	1.3781	3.2583	2.1026
C5	2.2134	3.3640	1.3781	2.1978		1.3267	1.0714	2.2065
C6	2.2134	3.3640	2.1978	1.3781	1.3267		2.2065	1.0714
H7	3.2100	4.3084	2.1026	3.2583	1.0714	2.2065		2.8045
H8	3.2100	4.3084	3.2583	2.1026	2.2065	1.0714	2.8045

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.446	C1	O4	C6	107.446
O2	C1	O3	126.121	O2	C1	O4	126.121
O3	C1	O4	107.759	O3	C5	C6	108.674
O3	C5	H7	117.723	O4	C6	C5	108.674
O4	C6	H8	117.723	C5	C6	H8	133.602
C6	C5	H7	133.602

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

using model chemistry: B2PLYP=FULLultrafine/6-311+G(3df,2p)

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: B2PLYP=FULLultrafine/6-311+G(3df,2p)

States and conformations

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