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	hartrees
Energy at 0K	-264.132192
Energy at 298.15K
HF Energy	-263.380832
Nuclear repulsion energy	124.023484

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.266
C3	0.000	0.000	-1.266
O4	0.000	0.000	2.409
O5	0.000	0.000	-2.409

	C1	C2	C3	O4	O5
C1		1.2660	1.2660	2.4087	2.4087
C2	1.2660		2.5321	1.1426	3.6747
C3	1.2660	2.5321		3.6747	1.1426
O4	2.4087	1.1426	3.6747		4.8173
O5	2.4087	3.6747	1.1426	4.8173

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: CID/daug-cc-pVTZ

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: CID/daug-cc-pVTZ

States and conformations

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