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	hartrees
Energy at 0K	-272.978585
Energy at 298.15K	-272.977978
Nuclear repulsion energy	94.797291

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	2814	2540	0.00
2	Σ_g	849	766	0.00
3	Σ_u	1477	1333	195.59
4	Π_g	510	460	0.00
4	Π_g	510	460	0.00
5	Π_u	326	294	3.82
5	Π_u	326	294	3.82

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.583
C2	0.000	0.000	-0.583
F3	0.000	0.000	1.884
F4	0.000	0.000	-1.884

	C1	C2	F3	F4
C1		1.1652	1.3017	2.4668
C2	1.1652		2.4668	1.3017
F3	1.3017	2.4668		3.7685
F4	2.4668	1.3017	3.7685

Number	Element	Mulliken
1	C	0.360
2	C	0.360
3	F	-0.360
4	F	-0.360

All results from a given calculation for C₂F₂ (difluoroacetylene)

using model chemistry: HF/3-21G*

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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<r²>	0.000
(<r²>)^1/2	0.000

All results from a given calculation for C2F2 (difluoroacetylene)

using model chemistry: HF/3-21G*

States and conformations

All results from a given calculation for C₂F₂ (difluoroacetylene)