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	hartrees
Energy at 0K	-337.965770
Energy at 298.15K
HF Energy	-337.430248
Nuclear repulsion energy	225.699230

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3447	3207	0.84
2	A₁	1996	1857	535.21
3	A₁	1726	1606	0.06
4	A₁	1230	1144	62.70
5	A₁	1117	1040	105.21
6	A₁	886	825	28.30
7	A₁	759	706	4.93
8	A₂	928	864	0.00
9	A₂	576	536	0.00
10	B₁	822	765	15.05
11	B₁	766	713	111.32
12	B₁	236	220	4.08
13	B₂	3414	3177	8.71
14	B₂	1407	1309	8.20
15	B₂	1078	1003	113.16
16	B₂	1035	963	44.99
17	B₂	915	851	0.46
18	B₂	538	501	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.813
O2	0.000	2.007
O3	1.125	-0.019
O4	-1.125	-0.019
C5	0.662	-1.362
C6	-0.662	-1.362
H7	1.398	-2.136
H8	-1.398	-2.136

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1936	1.3999	1.3999	2.2739	2.2739	3.2641	3.2641
O2	1.1936		2.3177	2.3177	3.4334	3.4334	4.3726	4.3726
O3	1.3999	2.3177		2.2509	1.4204	2.2359	2.1344	3.2941
O4	1.3999	2.3177	2.2509		2.2359	1.4204	3.2941	2.1344
C5	2.2739	3.4334	1.4204	2.2359		1.3246	1.0682	2.2013
C6	2.2739	3.4334	2.2359	1.4204	1.3246		2.2013	1.0682
H7	3.2641	4.3726	2.1344	3.2941	1.0682	2.2013		2.7969
H8	3.2641	4.3726	3.2941	2.1344	2.2013	1.0682	2.7969

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.462	C1	O4	C6	107.462
O2	C1	O3	126.491	O2	C1	O4	126.491
O3	C1	O4	107.018	O3	C5	C6	109.029
O3	C5	H7	117.409	O4	C6	C5	109.029
O4	C6	H8	117.409	C5	C6	H8	133.562
C6	C5	H7	133.562

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

using model chemistry: CID/3-21G*

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: CID/3-21G*

States and conformations

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