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	hartrees
Energy at 0K	-264.043579
Energy at 298.15K	-264.042722
HF Energy	-263.277524
Nuclear repulsion energy	121.285930

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	Σ_g	2231	2096	0.00	139.15	0.40	0.57
2	Σ_g	775	728	0.00	82.86	0.24	0.39
3	Σ_u	2464	2314	2876.46	0.00	0.00	0.00
4	Σ_u	1604	1507	115.41	0.00	0.00	0.00
5	Π_g	605	568	0.00	0.28	0.75	0.86
5	Π_g	605	568	0.00	0.28	0.75	0.86
6	Π_u	723	679	47.94	0.00	0.00	0.00
6	Π_u	723	679	47.94	0.00	0.00	0.00
7	Π_u	165	155	0.44	0.00	0.00	0.00
7	Π_u	165	155	0.44	0.00	0.00	0.00

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.279
C3	0.000	0.000	-1.279
O4	0.000	0.000	2.462
O5	0.000	0.000	-2.462

	C1	C2	C3	O4	O5
C1		1.2790	1.2790	2.4617	2.4617
C2	1.2790		2.5579	1.1828	3.7407
C3	1.2790	2.5579		3.7407	1.1828
O4	2.4617	1.1828	3.7407		4.9234
O5	2.4617	3.7407	1.1828	4.9234

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O4	180.000		C1	C3	O5	180.000
C2	C1	C3	180.000

All results from a given calculation for C₃O₂ (Carbon suboxide)

using model chemistry: MP2=FULL/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 C3O2 (Carbon suboxide)

using model chemistry: MP2=FULL/6-31+G**

States and conformations

All results from a given calculation for C₃O₂ (Carbon suboxide)