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	hartrees
Energy at 0K	-340.378498
Energy at 298.15K
HF Energy	-339.383397
Nuclear repulsion energy	227.649351

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3345	3345	0.32
2	A₁	1899	1899	694.79
3	A₁	1689	1689	5.79
4	A₁	1186	1186	137.15
5	A₁	1111	1111	46.67
6	A₁	891	891	37.43
7	A₁	738	738	3.73
8	A₂	808	808	0.00
9	A₂	561	561	0.00
10	B₁	786	786	3.43
11	B₁	722	722	82.69
12	B₁	233	233	0.80
13	B₂	3318	3318	9.69
14	B₂	1363	1363	32.41
15	B₂	1097	1097	124.43
16	B₂	1060	1060	4.35
17	B₂	896	896	0.55
18	B₂	524	524	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.787
O2	0.000	1.984
O3	1.117	-0.017
O4	-1.117	-0.017
C5	0.671	-1.340
C6	-0.671	-1.340
H7	1.419	-2.125
H8	-1.419	-2.125

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1970	1.3767	1.3767	2.2302	2.2302	3.2392	3.2392
O2	1.1970		2.2919	2.2919	3.3909	3.3909	4.3469	4.3469
O3	1.3767	2.2919		2.2349	1.3959	2.2248	2.1293	3.2978
O4	1.3767	2.2919	2.2349		2.2248	1.3959	3.2978	2.1293
C5	2.2302	3.3909	1.3959	2.2248		1.3428	1.0840	2.2329
C6	2.2302	3.3909	2.2248	1.3959	1.3428		2.2329	1.0840
H7	3.2392	4.3469	2.1293	3.2978	1.0840	2.2329		2.8377
H8	3.2392	4.3469	3.2978	2.1293	2.2329	1.0840	2.8377

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.102	C1	O4	C6	107.102
O2	C1	O3	125.737	O2	C1	O4	125.737
O3	C1	O4	108.526	O3	C5	C6	108.635
O3	C5	H7	117.772	O4	C6	C5	108.635
O4	C6	H8	117.772	C5	C6	H8	133.593
C6	C5	H7	133.593

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

using model chemistry: QCISD/daug-cc-pVDZ

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: QCISD/daug-cc-pVDZ

States and conformations

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