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Tris(4-methylbenzyl)(1,4,7-trimethyl-1,4,7-triazacyclononane)lanthanum(III)

✍ Scribed by Bambirra, Sergio ;Meetsma, Auke ;Bart Hessen, Bart

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
655 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

The title compound, [La(C 8 H 9 ) 3 (C 9 H 21 N 3 )], incorporating a fac-3 N ligand and formed by reaction of La(CH 2 C 6 H 4 -4-Me) 3 (THF) 3 (THF is tetrahydrofuran) and 1,4,7-trimethyl-1,4,7-triazacyclononane (Me 3 -TACN), was synthesized in THF solution. In the crystal structure, the La atom is sevencoordinated by three N atoms from a TACN ligand and four C atoms from three benzyl ligands, one of which is bound 2 .

📜 SIMILAR VOLUMES

Trichloro­(1,4,7-trimethyl-1,4,7-triaza­
Trichloro­(1,4,7-trimethyl-1,4,7-triaza­cyclo­nonane)­chromium(III)
✍ Klitgaard, Søren Kegnaes ;Magnussen, Magnus 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 99 KB

The structure of the title complex, [CrCl 3 (C 9 H 21 N 3 )], contains a distorted octahedral chromium(III) centre. The facial tridentate N-coordinating 1,4,7-trimethyl-1,4,7-triazacyclononane ligand and three chloride ions make up the first coordination sphere.

Exchange interactions in a trigonal chro
Exchange interactions in a trigonal chromium (III) dimer. Optical spectroscopy of tris-(μ-hydroxo)-bis-[(1,4,7-trimethyl-1, 4,7-triazacyclononane) chromium(III)] triperchlorate
✍ Hans Riesen; Hans U. Güdel; Phalguni Chaudhuri; Karl Wieghardt 📂 Article 📅 1984 🏛 Elsevier Science 🌐 English ⚖ 315 KB

HigIl-resolution absorption, iuminesccnce, Zeeman and MCD experiments were performed cm sir& crystals of the title compound. The singlet-tripiet and trip&t-quintet exchange splittings in the ground state are 138 and 267 cm-'. respectively. The corresponding exchange parameters are 2J= -128 cm-' andj