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	hartrees
Energy at 0K	-350.838305
Energy at 298.15K
HF Energy	-350.143654
Nuclear repulsion energy	166.400187

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	2647	2445	0.00
2	Σ_g	1495	1381	0.00
3	Σ_g	582	537	0.00
4	Σ_u	2522	2330	347.55
5	Σ_u	1143	1056	297.54
6	Π_g	598	552	0.00
6	Π_g	598	552	0.00
7	Π_g	350	323	0.00
7	Π_g	350	323	0.00
8	Π_u	444	410	5.51
8	Π_u	444	410	5.51
9	Π_u	126	116	0.07
9	Π_u	126	116	0.07

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.691
C2	0.000	0.000	-0.691
C3	0.000	0.000	1.882
C4	0.000	0.000	-1.882
F5	0.000	0.000	3.161
F6	0.000	0.000	-3.161

	C1	C2	C3	C4	F5	F6
C1		1.3830	1.1901	2.5731	2.4699	3.8529
C2	1.3830		2.5731	1.1901	3.8529	2.4699
C3	1.1901	2.5731		3.7631	1.2798	5.0430
C4	2.5731	1.1901	3.7631		5.0430	1.2798
F5	2.4699	3.8529	1.2798	5.0430		6.3228
F6	3.8529	2.4699	5.0430	1.2798	6.3228

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	C4	180.000		C1	C3	F5	180.000
C2	C1	C3	180.000		C2	C4	F6	180.000

All results from a given calculation for C₄F₂ (difluorobutadiyne)

using model chemistry: CID/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 C4F2 (difluorobutadiyne)

using model chemistry: CID/6-31G*

States and conformations

All results from a given calculation for C₄F₂ (difluorobutadiyne)