Lashkhi, V. L. published the artcileIR spectroscopic study phosphonic acid esters – antiwear additives for oil, Product Details of C5H10Cl3O3P, the publication is Khimiya i Tekhnologiya Topliv i Masel (1977), 59-61, database is CAplus.
The relation between the antiwear properties of R1PO(OR2)2 (R1 = Me, MeC6H4, CCl3, Ph, CCl3C6H4; R2 = Et, MeC6H4, Bu, CH2CCl3, C6H4Pr) lubricating oil additives and their IR spectra was determined The force constants and vibration frequencies of the P:O and P-O-C bonds vary with the electronegativity of R1 and R2. A direct correlation was established between the vibration frequency of the P:O bond and adhesion of the phosphonate to a steel surface.
Khimiya i Tekhnologiya Topliv i Masel published new progress about 866-23-9. 866-23-9 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Diethyltrichloromethylphosphonate, and the molecular formula is C5H10Cl3O3P, Product Details of C5H10Cl3O3P.
Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics