CCCBDB listing of experimental data page 2

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Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
aCCF	124.5	0.9	2	1	5		1976Hellwege(II/7)

Bond Type	Count
C-C	1
C=C	2
C-F	6

Atom 1	Atom 2
C1	C2
C1	F5
C1	F6
C2	C3
C2	F7
C3	C4
C3	F8
C4	F9
C4	F10

State	Config	State description	Conf description	Exp. min.	Dipole (Debye)				Reference	comment	Point Group	Components
State	Config	State description	Conf description	Exp. min.	x	y	z	total	Reference	comment	Point Group	dipole	quadrupole
1	1	¹A_g	C_2h	False							C_2h	0	3
1	2	¹A	C₂	True							C₂	1	3

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Experimental data for C4F6 (perfluorobutadiene)

Experimental data for C₄F₆ (perfluorobutadiene)