Controlling Complexation Behavior of Early Lanthanides via the Subtle Interplay of their Lewis Acidity with the Chemical Stability of 5,5'-(Azobis)tetrazolide

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autoren

  • Peter Weinberger
  • Gerald Giester
  • Georg Steinhauser

Organisationseinheiten

Externe Organisationen

  • Technische Universität Wien (TUW)
  • Universität Wien
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Details

OriginalspracheEnglisch
Seiten (von - bis)1882-1885
Seitenumfang4
FachzeitschriftZeitschrift für anorganische und allgemeine Chemie
Jahrgang646
Ausgabenummer23-24
Frühes Online-Datum27 Okt. 2020
PublikationsstatusVeröffentlicht - 9 Dez. 2020

Abstract

Two novel nitrogen-rich lanthanide compounds of 5,5'-(azo bis)tetrazolide (ZT) were synthesized and structurally characterized. The dinuclear, isostructural compounds [Ce2(ZT)2CO3(H2O)12] · 4 H2O (1) and [Pr2(ZT)2CO3(H2O)12]·4H2O (2) were synthesized via two independent routes. Compound 1 was obtained after partial Lewis acidic decomposition of ZT by CeIV in aqueous solution of (NH4)2Ce(NO3)6 and Na2ZT. Compound 2 was obtained by crystallization from aqueous solutions of Pr(NO3)3, Na2ZT, and Na2CO3. By X-ray diffraction analysis at 200 K, it was found that the trivalent lanthanide cations are bridged by a bidentate carbonato ligand and each cation is further coordinated by six H2O ligands and one ZT ligand thus being ninefold coordinated.

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Controlling Complexation Behavior of Early Lanthanides via the Subtle Interplay of their Lewis Acidity with the Chemical Stability of 5,5'-(Azobis)tetrazolide. / Weinberger, Peter; Giester, Gerald; Steinhauser, Georg.
in: Zeitschrift für anorganische und allgemeine Chemie, Jahrgang 646, Nr. 23-24, 09.12.2020, S. 1882-1885.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

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title = "Controlling Complexation Behavior of Early Lanthanides via the Subtle Interplay of their Lewis Acidity with the Chemical Stability of 5,5'-(Azobis)tetrazolide",
abstract = "Two novel nitrogen-rich lanthanide compounds of 5,5'-(azo bis)tetrazolide (ZT) were synthesized and structurally characterized. The dinuclear, isostructural compounds [Ce2(ZT)2CO3(H2O)12] · 4 H2O (1) and [Pr2(ZT)2CO3(H2O)12]·4H2O (2) were synthesized via two independent routes. Compound 1 was obtained after partial Lewis acidic decomposition of ZT by CeIV in aqueous solution of (NH4)2Ce(NO3)6 and Na2ZT. Compound 2 was obtained by crystallization from aqueous solutions of Pr(NO3)3, Na2ZT, and Na2CO3. By X-ray diffraction analysis at 200 K, it was found that the trivalent lanthanide cations are bridged by a bidentate carbonato ligand and each cation is further coordinated by six H2O ligands and one ZT ligand thus being ninefold coordinated.",
keywords = "5,5'-Azobis[tetrazolide], Dinuclear complex, Lanthanides, Lewis acidity, X-ray diffraction",
author = "Peter Weinberger and Gerald Giester and Georg Steinhauser",
note = "Funding Information: P. Weinberger acknowledges financial support by FWF P 31076. Open access funding enabled and organized by Projekt DEAL.",
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Download

TY - JOUR

T1 - Controlling Complexation Behavior of Early Lanthanides via the Subtle Interplay of their Lewis Acidity with the Chemical Stability of 5,5'-(Azobis)tetrazolide

AU - Weinberger, Peter

AU - Giester, Gerald

AU - Steinhauser, Georg

N1 - Funding Information: P. Weinberger acknowledges financial support by FWF P 31076. Open access funding enabled and organized by Projekt DEAL.

PY - 2020/12/9

Y1 - 2020/12/9

N2 - Two novel nitrogen-rich lanthanide compounds of 5,5'-(azo bis)tetrazolide (ZT) were synthesized and structurally characterized. The dinuclear, isostructural compounds [Ce2(ZT)2CO3(H2O)12] · 4 H2O (1) and [Pr2(ZT)2CO3(H2O)12]·4H2O (2) were synthesized via two independent routes. Compound 1 was obtained after partial Lewis acidic decomposition of ZT by CeIV in aqueous solution of (NH4)2Ce(NO3)6 and Na2ZT. Compound 2 was obtained by crystallization from aqueous solutions of Pr(NO3)3, Na2ZT, and Na2CO3. By X-ray diffraction analysis at 200 K, it was found that the trivalent lanthanide cations are bridged by a bidentate carbonato ligand and each cation is further coordinated by six H2O ligands and one ZT ligand thus being ninefold coordinated.

AB - Two novel nitrogen-rich lanthanide compounds of 5,5'-(azo bis)tetrazolide (ZT) were synthesized and structurally characterized. The dinuclear, isostructural compounds [Ce2(ZT)2CO3(H2O)12] · 4 H2O (1) and [Pr2(ZT)2CO3(H2O)12]·4H2O (2) were synthesized via two independent routes. Compound 1 was obtained after partial Lewis acidic decomposition of ZT by CeIV in aqueous solution of (NH4)2Ce(NO3)6 and Na2ZT. Compound 2 was obtained by crystallization from aqueous solutions of Pr(NO3)3, Na2ZT, and Na2CO3. By X-ray diffraction analysis at 200 K, it was found that the trivalent lanthanide cations are bridged by a bidentate carbonato ligand and each cation is further coordinated by six H2O ligands and one ZT ligand thus being ninefold coordinated.

KW - 5,5'-Azobis[tetrazolide]

KW - Dinuclear complex

KW - Lanthanides

KW - Lewis acidity

KW - X-ray diffraction

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U2 - 10.1002/zaac.202000384

DO - 10.1002/zaac.202000384

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VL - 646

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JF - Zeitschrift für anorganische und allgemeine Chemie

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