spectrochemical, a.
(spɛktrəʊˈkɛmɪkəl)
[f. spectro- + chemical a.]
Of or pertaining to spectrochemistry; spectrochemical series, a series of ligands arranged in order of magnitude of the ligand field splitting that they cause in the electronic orbitals of a central atom.
| 1896 Jrnl. Chem. Soc. LXX. i. 553 The results of a spectrochemical investigation..establish the formula. 1938 R. Tsuchida in Bull. Chem. Soc. Japan XIII. 393 Arranging in the ascending order of P [sc. ‘the work which would be done by the system if the ligand were to approach from infinity to the seat of co-ordination’], we obtain a spectrochemical series for the first band: viz., NH3, H2O, F-, Cl-, Br-, I-. 1960 Jrnl. Iron & Steel Inst. CXCV. 375/1 The most satisfactory boron line for spectrochemical use is at 2497.73 Å. 1966 Phillips & Williams Inorg. Chem. II. xxviii. 396 Now when the [crystal-field splitting] energies, Δ, obtained from spectra..are compared for a large number of different cations, it is found that there is an approximately constant ligand series, the Fajans–Tsuchida spectrochemical series: CO > CN- > NO- >..S2- >Br- > I-. 1975 P. S. Braterman Metal Carbonyl Spectra i. 3 Electronic spectra contain d-d bands that place CO in the spectrochemical and nephelauxetic series. |
Hence spectroˈchemically adv., as regards spectrochemistry; by spectrochemical methods.
| 1905 Nature 15 June 160/2 Several simple molecules of this kind may be combined into one crystallised particle of the spectrochemically normal diamond. 1966 P. W. J. M. Boumans Spectrochemical Excitation i. 4 Alloys containing more than two elements..were investigated spectrochemically. |