science-softCon uv/vis+ photochemistry database;	www.photochemistry.org; (C) science-softCon 2019

Substance: tetraboron tetrachloride			Other Names: tetraborane(4),tetrachloro-

Formula: B4Cl4						CAS-No.: 17156-85-3	PubChem: 

Study: uv absorption spectroscopy


Authors: A.G. Massey, D.S. Urch

Title: The Ultraviolet Spectrum and Electronic Structure of Tetraboron Tetrachloride, B4Cl4

Journal/Source: J. Chem. Soc., 6180-6186, (1965); DOI: 10.1039/JR9650006180


Data: diagram, table

Energy/Wavelength range: 190 - 320 nm

Resolution: 

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration: 

Phase: 

pH:


Comments: The intense absorption at 245 nm (log epsilon ~ 4.25) was associated with a permitted  transition, and the 
shoulder at about 285 nm (log epsilon ~ 2.95) with a "forbidden" transition.

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