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	hartrees
Energy at 0K	-275.392745
Energy at 298.15K	-275.391479
HF Energy	-274.565692
Nuclear repulsion energy	94.678329

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	Σ_g	2518	2388
2	Σ_g	786	746
3	Σ_u	1371	1300
4	Π_g	253	240
4	Π_g	252	239
5	Π_u	275	261
5	Π_u	275	261

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.597
C2	0.000	0.000	-0.597
F3	0.000	0.000	1.886
F4	0.000	0.000	-1.886

	C1	C2	F3	F4
C1		1.1933	1.2890	2.4824
C2	1.1933		2.4824	1.2890
F3	1.2890	2.4824		3.7714
F4	2.4824	1.2890	3.7714

Number	Element	Mulliken
1	C	0.125
2	C	0.125
3	F	-0.125
4	F	-0.125

All results from a given calculation for C₂F₂ (difluoroacetylene)

using model chemistry: QCISD(T)/cc-pVTZ

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(T)/cc-pVTZ

States and conformations

All results from a given calculation for C₂F₂ (difluoroacetylene)