CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference
Hfg(298.15K)	67.31	10.00	kJ mol^-1	Gurvich
Hfg(0K)	72.60	10.00	kJ mol^-1	Gurvich
Entropy (298.15K)	262.10		J K^-1 mol^-1	Gurvich
Integrated Heat Capacity (0 to 298.15K)	12.21		kJ mol^-1	Gurvich
Heat Capacity (298.15K)	53.40		J K^-1 mol^-1	Gurvich

Mode Number	Symmetry	Frequency			Intensity			Comment	Description
Mode Number	Symmetry	Fundamental(cm^-1)	Harmonic(cm^-1)	Reference	(km mol^-1)	unc.	Reference	Comment	Description
1	A_g	1523		Shim
2	A_g	1018		Shim
3	A_g	603		Shim
4	A_u	364		Shim
5	B_u	991		Shim
6	B_u	423		1979HUB/HER

Bond Type	Count
N=N	1
N-F	2

Atom 1	Atom 2
F1	N2
N2	N3
N3	F4

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	True							C_2h	0	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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squib	reference	DOI
1979HUB/HER	Huber, K.P.; Herzberg, G., Molecular Spectra and Molecular Structure. IV. Constants of Diatomic Molecules, Van Nostrand Reinhold Co., 1979	10.1007/978-1-4757-0961-2
Gurvich	Gurvich, L.V.; Veyts, I. V.; Alcock, C. B., Thermodynamic Properties of Individual Substances, Fouth Edition, Hemisphere Pub. Co., New York, 1989
Shim	Shimanouchi, T. , Tables of Molecular Vibrational Frequencies, Consolidated Volu	10.6028/NBS.NSRDS.39
webbook	NIST Chemistry Webbook (http://webbook.nist.gov/chemistry)	10.18434/T4D303

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Experimental data for N2F2 (Dinitrogen difluoride, (E)-)

Experimental data for N₂F₂ (Dinitrogen difluoride, (E)-)