CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference
Hfg(298.15K)	-288.70	5.40	kJ mol^-1	JANAF
Hfg(0K)	-285.50	5.40	kJ mol^-1	JANAF
Entropy (298.15K)	311.68	0.42	J K^-1 mol^-1	JANAF
Integrated Heat Capacity (0 to 298.15K)	15.93		kJ mol^-1	JANAF
Heat Capacity (298.15K)	71.38		J K^-1 mol^-1	webbook

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	504		Shim
2	A₁	252		Shim
3	E	482		Shim
4	E	198		Shim

Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
rPCl	2.043		1	2			1976Hellwege(II/7)
aClPCl	100.1		2	1	3		1976Hellwege(II/7)
aXPCl	117.7		255	1	2		1976Hellwege(II/7)	from symmetry

Atom	x (Å)	y (Å)	z (Å)
P1	0.0000	0.0000	0.7343
Cl2	0.0000	1.8085	-0.2160
Cl3	1.5662	-0.9043	-0.2160
Cl4	-1.5662	-0.9043	-0.2160

	P1	Cl2	Cl3	Cl4
P1		2.0430	2.0430	2.0430
Cl2	2.0430		3.1325	3.1325
Cl3	2.0430	3.1325		3.1325
Cl4	2.0430	3.1325	3.1325

	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	¹A₁	C_3v	True				0.560	1974Hel/Hel(II/6)	μ₀ ±0.02 D	C_3v	1	1

squib	reference	DOI
1950Kis/Tow:1109	P Kisliuk, CH Townes "The microwave Spectra and Molecular Structure of Phosphorus and Arsenic Trichloride" J. Chem. Phys. 18(8) 1109, 1950	10.1063/1.1747872
1974Hel/Hel(II/6)	Hellwege, KH and AM Hellwege (eds.). Landolt-Bornstein: Group II: Volume 6 Molecular Constants from Microwave, Molecular Beam, and Electron Spin Resonance Spectroscopy Springer-Verlag. Berlin. 1974.	10.1007/b19951
1976Hellwege(II/7)	Hellwege, KH and AM Hellwege (ed.). Landolt-Bornstein: Group II: Atomic and Molecular Physics Volume 7: Structure Data of Free Polyatomic Molecules. Springer-Verlag. Berlin. 1976.
1997Oln/Can:59	TN Olney, NM Cann, G Cooper, CE Brion, Absolute scale determination for photoabsorption spectra and the calculation of molecular properties using dipole sum-rules, Chem. Phys. 223 (1997) 59-98	10.1016/S0301-0104(97)00145-6
JANAF	Chase, M.W., Jr.; Davies, C.A.; Downey, J.R., Jr.; Frurip, D.J.; McDonald, R.A.; Syverud, A.N., JANAF Thermochemical Tables (Third Edition), J. Phys. Chem. Ref. Data,Suppl. 1, 1985, 14, 1.
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

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
Cl2	P1	Cl3	100.105		Cl2	P1	Cl4	100.105
Cl3	P1	Cl4	100.105

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Experimental data for PCl3 (Phosphorus trichloride)

Experimental data for PCl₃ (Phosphorus trichloride)