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	hartrees
Energy at 0K	-340.484793
Energy at 298.15K
HF Energy	-339.447287
Nuclear repulsion energy	228.683117

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3344	3219
2	A₁	1921	1849
3	A₁	1666	1603
4	A₁	1204	1159
5	A₁	1125	1083
6	A₁	889	855
7	A₁	752	724
8	A₂	700	674
9	A₂	506	487
10	B₁	745	717
11	B₁	672	647
12	B₁	215	207
13	B₂	3319	3195
14	B₂	1380	1328
15	B₂	1101	1060
16	B₂	1061	1021
17	B₂	899	865
18	B₂	526	506

Atom	y (Å)	z (Å)
C1	0.000	0.785
O2	0.000	1.975
O3	1.114	-0.019
O4	-1.114	-0.019
C5	0.667	-1.333
C6	-0.667	-1.333
H7	1.411	-2.108
H8	-1.411	-2.108

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1900	1.3741	1.3741	2.2206	2.2206	3.2194	3.2194
O2	1.1900		2.2843	2.2843	3.3746	3.3746	4.3206	4.3206
O3	1.3741	2.2843		2.2288	1.3882	2.2137	2.1107	3.2780
O4	1.3741	2.2843	2.2288		2.2137	1.3882	3.2780	2.1107
C5	2.2206	3.3746	1.3882	2.2137		1.3340	1.0748	2.2182
C6	2.2206	3.3746	2.2137	1.3882	1.3340		2.2182	1.0748
H7	3.2194	4.3206	2.1107	3.2780	1.0748	2.2182		2.8223
H8	3.2194	4.3206	3.2780	2.1107	2.2182	1.0748	2.8223

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.005	C1	O4	C6	107.005
O2	C1	O3	125.807	O2	C1	O4	125.807
O3	C1	O4	108.386	O3	C5	C6	108.802
O3	C5	H7	117.385	O4	C6	C5	108.802
O4	C6	H8	117.385	C5	C6	H8	133.813
C6	C5	H7	133.813

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

using model chemistry: CCSD(T)/TZVP

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: CCSD(T)/TZVP

States and conformations

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