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	hartrees
Energy at 0K	-275.058279
Energy at 298.15K	-275.056965
HF Energy	-274.454757
Nuclear repulsion energy	93.970574

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	2527	2381	0.00
2	Σ_g	787	742	0.00
3	Σ_u	1381	1301	271.25
4	Π_g	238	224	0.00
4	Π_g	238	224	0.00
5	Π_u	280	264	0.58
5	Π_u	280	264	0.58

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.600
C2	0.000	0.000	-0.600
F3	0.000	0.000	1.900
F4	0.000	0.000	-1.900

	C1	C2	F3	F4
C1		1.2004	1.3000	2.5003
C2	1.2004		2.5003	1.3000
F3	1.3000	2.5003		3.8003
F4	2.5003	1.3000	3.8003

Number	Element	Mulliken
1	C	0.266
2	C	0.266
3	F	-0.266
4	F	-0.266

All results from a given calculation for C₂F₂ (difluoroacetylene)

using model chemistry: MP2=FULL/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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<r²>	82.101
(<r²>)^1/2	9.061

All results from a given calculation for C2F2 (difluoroacetylene)

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

States and conformations

All results from a given calculation for C₂F₂ (difluoroacetylene)