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	hartrees
Energy at 0K	-340.274769
Energy at 298.15K
HF Energy	-339.346271
Nuclear repulsion energy	228.892656

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3404	3208	0.18
2	A₁	1959	1846	748.10
3	A₁	1724	1625	3.21
4	A₁	1225	1155	166.63
5	A₁	1148	1082	37.18
6	A₁	925	872	34.42
7	A₁	751	708	4.23
8	A₂	796	750	0.00
9	A₂	548	517	0.00
10	B₁	781	736	2.29
11	B₁	721	679	100.57
12	B₁	230	216	1.38
13	B₂	3379	3184	9.79
14	B₂	1409	1328	39.94
15	B₂	1137	1071	144.22
16	B₂	1115	1051	4.47
17	B₂	915	862	1.17
18	B₂	533	503	0.06

Atom	y (Å)	z (Å)
C1	0.000	0.784
O2	0.000	1.978
O3	1.109	-0.018
O4	-1.109	-0.018
C5	0.666	-1.334
C6	-0.666	-1.334
H7	1.410	-2.108
H8	-1.410	-2.108

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1941	1.3685	1.3685	2.2204	2.2204	3.2169	3.2169
O2	1.1941		2.2833	2.2833	3.3785	3.3785	4.3220	4.3220
O3	1.3685	2.2833		2.2180	1.3887	2.2100	2.1112	3.2729
O4	1.3685	2.2833	2.2180		2.2100	1.3887	3.2729	2.1112
C5	2.2204	3.3785	1.3887	2.2100		1.3326	1.0730	2.2157
C6	2.2204	3.3785	2.2100	1.3887	1.3326		2.2157	1.0730
H7	3.2169	4.3220	2.1112	3.2729	1.0730	2.2157		2.8200
H8	3.2169	4.3220	3.2729	2.1112	2.2157	1.0730	2.8200

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.279	C1	O4	C6	107.279
O2	C1	O3	125.868	O2	C1	O4	125.868
O3	C1	O4	108.264	O3	C5	C6	108.589
O3	C5	H7	117.535	O4	C6	C5	108.589
O4	C6	H8	117.535	C5	C6	H8	133.876
C6	C5	H7	133.876

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

using model chemistry: CCD/6-31+G**

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: CCD/6-31+G**

States and conformations

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