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	hartrees
Energy at 0K	-275.105841
Energy at 298.15K	-275.104675
HF Energy	-274.473544
Nuclear repulsion energy	93.951401

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	2548	2444	0.00
2	Σ_g	784	752	0.00
3	Σ_u	1358	1303	291.73
4	Π_g	286	274	0.00
4	Π_g	286	274	0.00
5	Π_u	283	272	0.37
5	Π_u	283	272	0.37

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.602
C2	0.000	0.000	-0.602
F3	0.000	0.000	1.900
F4	0.000	0.000	-1.900

	C1	C2	F3	F4
C1		1.2043	1.2983	2.5026
C2	1.2043		2.5026	1.2983
F3	1.2983	2.5026		3.8009
F4	2.5026	1.2983	3.8009

Number	Element	Mulliken
1	C	0.146
2	C	0.146
3	F	-0.146
4	F	-0.146

All results from a given calculation for C₂F₂ (difluoroacetylene)

using model chemistry: QCISD/cc-pVDZ

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: QCISD/cc-pVDZ

States and conformations

All results from a given calculation for C₂F₂ (difluoroacetylene)