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	hartrees
Energy at 0K	-340.237685
Energy at 298.15K
HF Energy	-339.334593
Nuclear repulsion energy	229.284856

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3389	3181	0.18
2	A₁	2007	1884	652.04
3	A₁	1734	1628	1.11
4	A₁	1234	1159	160.55
5	A₁	1160	1088	24.25
6	A₁	939	881	27.19
7	A₁	759	712	3.84
8	A₂	784	736	0.00
9	A₂	558	524	0.00
10	B₁	793	744	6.53
11	B₁	721	677	88.22
12	B₁	240	226	1.66
13	B₂	3364	3158	8.48
14	B₂	1419	1331	40.87
15	B₂	1151	1080	135.31
16	B₂	1122	1053	7.02
17	B₂	923	866	2.64
18	B₂	538	505	0.15

Atom	y (Å)	z (Å)
C1	0.000	0.782
O2	0.000	1.973
O3	1.107	-0.018
O4	-1.107	-0.018
C5	0.665	-1.332
C6	-0.665	-1.332
H7	1.414	-2.105
H8	-1.414	-2.105

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1906	1.3658	1.3658	2.2165	2.2165	3.2155	3.2155
O2	1.1906		2.2776	2.2776	3.3712	3.3712	4.3166	4.3166
O3	1.3658	2.2776		2.2140	1.3866	2.2065	2.1103	3.2736
O4	1.3658	2.2776	2.2140		2.2065	1.3866	3.2736	2.1103
C5	2.2165	3.3712	1.3866	2.2065		1.3307	1.0767	2.2189
C6	2.2165	3.3712	2.2065	1.3866	1.3307		2.2189	1.0767
H7	3.2155	4.3166	2.1103	3.2736	1.0767	2.2189		2.8288
H8	3.2155	4.3166	3.2736	2.1103	2.2189	1.0767	2.8288

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.280	C1	O4	C6	107.280
O2	C1	O3	125.853	O2	C1	O4	125.853
O3	C1	O4	108.294	O3	C5	C6	108.573
O3	C5	H7	117.344	O4	C6	C5	108.573
O4	C6	H8	117.344	C5	C6	H8	134.082
C6	C5	H7	134.082

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

using model chemistry: MP3/6-31G*

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: MP3/6-31G*

States and conformations

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