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	hartrees
Energy at 0K	-350.969331
Energy at 298.15K
HF Energy	-350.140966
Nuclear repulsion energy	165.182175

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	2567	2409	0.00
2	Σ_g	1455	1365	0.00
3	Σ_g	567	532	0.00
4	Σ_u	2449	2299	294.72
5	Σ_u	1105	1038	276.35
6	Π_g	507	476	0.00
6	Π_g	507	476	0.00
7	Π_g	314	294	0.00
7	Π_g	314	294	0.00
8	Π_u	374	351	3.62
8	Π_u	374	351	3.62
9	Π_u	119	112	0.06
9	Π_u	119	112	0.06

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.692
C2	0.000	0.000	-0.692
C3	0.000	0.000	1.894
C4	0.000	0.000	-1.894
F5	0.000	0.000	3.184
F6	0.000	0.000	-3.184

	C1	C2	C3	C4	F5	F6
C1		1.3849	1.2012	2.5861	2.4918	3.8767
C2	1.3849		2.5861	1.2012	3.8767	2.4918
C3	1.2012	2.5861		3.7872	1.2907	5.0779
C4	2.5861	1.2012	3.7872		5.0779	1.2907
F5	2.4918	3.8767	1.2907	5.0779		6.3686
F6	3.8767	2.4918	5.0779	1.2907	6.3686

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: 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 C4F2 (difluorobutadiyne)

using model chemistry: MP3/6-31G*

States and conformations

All results from a given calculation for C₄F₂ (difluorobutadiyne)