CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference
Hfg(298.15K)	119.55	6.20	kJ mol^-1	Gurvich
Hfg(0K)	123.40	6.20	kJ mol^-1	Gurvich
Entropy (298.15K)	212.61		J K^-1 mol^-1	Gurvich
Integrated Heat Capacity (0 to 298.15K)	9.98		kJ mol^-1	Gurvich
Heat Capacity (298.15K)	34.45		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	A₁	2310		webbook
2	A₁	1102		1998Gup/Pra:1607

Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
rPH	1.428		1	2			1966Herzberg
aHPH	91.5		2	1	3		1966Herzberg

Atom	y (Å)	z (Å)
P1	0.0000	0.0000
H2	1.0229	0.9964
H3	-1.0229	0.9964

	P1	H2	H3
P1		1.4280	1.4280
H2	1.4280		2.0458
H3	1.4280	2.0458

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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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	²B₁	C_2v	True							C_2v	1	2

squib	reference	DOI
1966Herzberg	Herzberg, G., Electronic spectra and electronic structure of polyatomic molecules,Van Nostrand,New York, 1966
1998Gup/Pra:1607	Gupte, Prasad, Ground State Geometries and Vibrational Spectra of Small Hyrdogenated Silicon Clusters Using Nonorthogonal Tight-binding Molecular Dynamics, Inter. J. of Mod. Phys. B, Vol. 12, #15, pgs. 1607-1622	10.1142/S0217979298000880
2002Rie/Tsc:231	JC Rienstra-Kiracofe, GS Tschumper, HF Schaefer III, S Nandi, GB Ellison "Atomic and Molecular Electron Affinities: Photoelectron Experiments and Theoretical Computations" Chemical Reviews 2002, 102, 231-282	10.1021/cr990044u
Gurvich	Gurvich, L.V.; Veyts, I. V.; Alcock, C. B., Thermodynamic Properties of Individual Substances, Fouth Edition, Hemisphere Pub. Co., New York, 1989
webbook	NIST Chemistry Webbook (http://webbook.nist.gov/chemistry)	10.18434/T4D303

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Experimental data for PH2 (Phosphino radical)

Experimental data for PH₂ (Phosphino radical)