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	hartrees
Energy at 0K	-275.205770
Energy at 298.15K	-275.204750
HF Energy	-274.533342
Nuclear repulsion energy	94.792670

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	2563	2454	0.00
2	Σ_g	789	755	0.00
3	Σ_u	1377	1319	305.87
4	Π_g	341	327	0.00
4	Π_g	341	327	0.00
5	Π_u	291	279	0.48
5	Π_u	291	279	0.48

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.596
C2	0.000	0.000	-0.596
F3	0.000	0.000	1.884
F4	0.000	0.000	-1.884

	C1	C2	F3	F4
C1		1.1910	1.2881	2.4791
C2	1.1910		2.4791	1.2881
F3	1.2881	2.4791		3.7673
F4	2.4791	1.2881	3.7673

Number	Element	Mulliken
1	C	0.223
2	C	0.223
3	F	-0.223
4	F	-0.223

All results from a given calculation for C₂F₂ (difluoroacetylene)

using model chemistry: QCISD/6-311G*

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/6-311G*

States and conformations

All results from a given calculation for C₂F₂ (difluoroacetylene)