...Adding on the findings from the past, the following series has been established: CN - > NO 2 - > SO 3 2- > 2,2'-bipyridine (formula (a) below), 1,10-phenanthroline (formula (b) below) > ethylenediamine (NH 2 CH 2 CH 2 NH 2 ) > NH 3 > ONO - > NCS - > H 2 O > C 2 O 4 2- (bidentate) > NO 3 - , SO 4 2- > OH - > CO 3 2- (bidentate) > CH 3 COO - > C 2 O 4 2- (monodentate), CO 3 2- (monodentate) > SSO 3 2- > F - > N 3 - > Cl - > CrO 4 2- > Br - > I -This is called the spectrochemical series or the hypsochromic series. series (the color becomes lighter as the absorption band shifts to the shorter wavelength side). This was later found to be applicable not only to cobalt(III) and chromium(III), but to all metal ions. *Some of the terminology that refers to the "hypsochromic series" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…その後の知見を加えて現在は次のような系列が得られている。 CN->NO2->SO32->2,2′‐ビピリジン(下式(a)),1,10‐フェナントロリン(下式(b))>エチレンジアミン(NH2CH2CH2NH2)>NH3>ONO->NCS->H2O>C2O42-(二座)>NO3-,SO42->OH->CO32-(二座)>CH3COO->C2O42-(単座),CO32-(単座)>SSO32->F->N3->Cl->CrO42->Br->I-これを分光化学系列あるいは浅色系列hypsochromic series(吸収帯が短波長側に移動すると色は浅くなる)といっている。これは後,コバルト(III)やクロム(III)だけではなく,すべての金属イオンについて適用できることがわかった。… ※「hypsochromic series」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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