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	hartrees
Energy at 0K	-340.548004
Energy at 298.15K
HF Energy	-339.449879
Nuclear repulsion energy	229.881619

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3368	3191	0.14
2	A₁	1960	1857	701.90
3	A₁	1709	1619	3.69
4	A₁	1222	1158	160.68
5	A₁	1145	1085	38.11
6	A₁	921	873	36.36
7	A₁	759	719	4.22
8	A₂	756	716	0.00
9	A₂	534	506	0.00
10	B₁	776	736	4.75
11	B₁	708	671	86.17
12	B₁	219	208	1.20
13	B₂	3342	3166	10.04
14	B₂	1405	1331	38.58
15	B₂	1129	1069	133.58
16	B₂	1095	1038	9.39
17	B₂	915	867	0.46
18	B₂	541	513	0.01

Atom	y (Å)	z (Å)
C1	0.000	0.781
O2	0.000	1.965
O3	1.107	-0.017
O4	-1.107	-0.017
C5	0.663	-1.327
C6	-0.663	-1.327
H7	1.405	-2.102
H8	-1.405	-2.102

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1837	1.3649	1.3649	2.2105	2.2105	3.2073	3.2073
O2	1.1837		2.2705	2.2705	3.3585	3.3585	4.3028	4.3028
O3	1.3649	2.2705		2.2137	1.3831	2.2020	2.1057	3.2640
O4	1.3649	2.2705	2.2137		2.2020	1.3831	3.2640	2.1057
C5	2.2105	3.3585	1.3831	2.2020		1.3262	1.0724	2.2082
C6	2.2105	3.3585	2.2020	1.3831	1.3262		2.2082	1.0724
H7	3.2073	4.3028	2.1057	3.2640	1.0724	2.2082		2.8097
H8	3.2073	4.3028	3.2640	2.1057	2.2082	1.0724	2.8097

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.101	C1	O4	C6	107.101
O2	C1	O3	125.814	O2	C1	O4	125.814
O3	C1	O4	108.372	O3	C5	C6	108.713
O3	C5	H7	117.528	O4	C6	C5	108.713
O4	C6	H8	117.528	C5	C6	H8	133.759
C6	C5	H7	133.759

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

using model chemistry: CCSD=FULL/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=FULL/TZVP

States and conformations

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