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Synthesis of complexes of 2,2 ': 6 ',2 ''-terpyridine and 1,10-phenanthroline with lanthanide thiocyanates; the molecular structures of [Ln(terpy)(2)(NCS)(3)] (Ln = Pr, Nd), [Nd(terpy)(2)(NCS)(3)]center dot 2EtOH and [Ln(phen)(3)(NCS)(3)]center dot EtOH (Ln = Pr, Nd). / Cotton, Simon A.
; Franckevicius, Vilius; How, Rachel E. et al.
In:
Polyhedron, Vol. 22, No. 11, 01.06.2003, p. 1489-1497.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Harvard
Cotton, SA
, Franckevicius, V, How, RE, Ahrens, B, Ooi, LL, Mahon, MF, Raithby, PR & Teat, SJ 2003, '
Synthesis of complexes of 2,2 ': 6 ',2 ''-terpyridine and 1,10-phenanthroline with lanthanide thiocyanates; the molecular structures of [Ln(terpy)(2)(NCS)(3)] (Ln = Pr, Nd), [Nd(terpy)(2)(NCS)(3)]center dot 2EtOH and [Ln(phen)(3)(NCS)(3)]center dot EtOH (Ln = Pr, Nd)',
Polyhedron, vol. 22, no. 11, pp. 1489-1497.
https://doi.org/10.1016/S0277-5387(03)00133-5
APA
Cotton, S. A.
, Franckevicius, V., How, R. E., Ahrens, B., Ooi, L. L., Mahon, M. F., Raithby, P. R., & Teat, S. J. (2003).
Synthesis of complexes of 2,2 ': 6 ',2 ''-terpyridine and 1,10-phenanthroline with lanthanide thiocyanates; the molecular structures of [Ln(terpy)(2)(NCS)(3)] (Ln = Pr, Nd), [Nd(terpy)(2)(NCS)(3)]center dot 2EtOH and [Ln(phen)(3)(NCS)(3)]center dot EtOH (Ln = Pr, Nd).
Polyhedron,
22(11), 1489-1497.
https://doi.org/10.1016/S0277-5387(03)00133-5
Vancouver
Cotton SA
, Franckevicius V, How RE, Ahrens B, Ooi LL, Mahon MF et al.
Synthesis of complexes of 2,2 ': 6 ',2 ''-terpyridine and 1,10-phenanthroline with lanthanide thiocyanates; the molecular structures of [Ln(terpy)(2)(NCS)(3)] (Ln = Pr, Nd), [Nd(terpy)(2)(NCS)(3)]center dot 2EtOH and [Ln(phen)(3)(NCS)(3)]center dot EtOH (Ln = Pr, Nd).
Polyhedron. 2003 Jun 1;22(11):1489-1497. doi: 10.1016/S0277-5387(03)00133-5
Author
Cotton, Simon A.
; Franckevicius, Vilius ; How, Rachel E. et al. /
Synthesis of complexes of 2,2 ': 6 ',2 ''-terpyridine and 1,10-phenanthroline with lanthanide thiocyanates; the molecular structures of [Ln(terpy)(2)(NCS)(3)] (Ln = Pr, Nd), [Nd(terpy)(2)(NCS)(3)]center dot 2EtOH and [Ln(phen)(3)(NCS)(3)]center dot EtOH (Ln = Pr, Nd). In:
Polyhedron. 2003 ; Vol. 22, No. 11. pp. 1489-1497.
Bibtex
@article{b6c9e3ea1a5e48adb58f726ea3c788e1,
title = "Synthesis of complexes of 2,2 ': 6 ',2 ''-terpyridine and 1,10-phenanthroline with lanthanide thiocyanates; the molecular structures of [Ln(terpy)(2)(NCS)(3)] (Ln = Pr, Nd), [Nd(terpy)(2)(NCS)(3)]center dot 2EtOH and [Ln(phen)(3)(NCS)(3)]center dot EtOH (Ln = Pr, Nd)",
abstract = "The complexes [Ln(terpy)(2)(NCS)(3)] (Ln = Pr (1), Nd (2); terpy = 2,2':6',2{"}-terpyridine), [Nd(terpY)2(NCS)(3)]-2EtOH (3) and [Ln(phen)3(NCS)3].EtOH (Ln = Pr(4), Nd (5); phen = 1,10-phenanthroline) have been synthesised in high yield by the reaction of [Ln(NO3)(3)].6H(2)O (Ln = Pr, Nd) with KNCS and subsequently with terpy or phen, respectively. The five complexes have been characterised crystallographically, and it is found that the pairs of complexes, I and 2, and 4 and 5 are isomorphous with each other. In all the complexes the lanthanoid ions are nine co-ordinate, and all contain meridionally disposed thiocyanate groups. The molecular geometry of 3 is very similar to that of 2, and the crystal structure differs only in the presence of the two ethanol solvent molecules. In the whole series of complexes the Ln-N(thiocyanate) distances are shorter than the Ln-N(terpy/phen) distances and there is a shortening of all the lanthanoid-ligand bonds in the neodymium complexes compared with the praseodymium, consistent with the expected 'lanthanide contraction' that occurs as additional electrons enter the 4f orbitals. In all the complexes the thiocyanate groups are linear, but there is a significant variation in the angle at the thiocyanate at nitrogen and Ln-N-C angles lie in the range 147-177degrees. (C) 2003 Elsevier Science Ltd. All rights reserved.",
keywords = "2,2 ': 6 ',2 ''-terpyridine, 1,10-phenanthroline, praseodymium, 2,2'/6',2-TERPYRIDINE, LIGANDS, CRYSTAL-STRUCTURES, COORDINATION, X-RAY, HYDRATED 1/1-ADDUCTS, X-ray crystal structures, SYSTEMATICS, NITRATE, RARE-EARTH COMPLEXES, neodymium",
author = "Cotton, {Simon A.} and Vilius Franckevicius and How, {Rachel E.} and Birte Ahrens and Ooi, {Li Ling} and Mahon, {Mary F.} and Raithby, {Paul R.} and Teat, {Simon J.}",
year = "2003",
month = jun,
day = "1",
doi = "10.1016/S0277-5387(03)00133-5",
language = "English",
volume = "22",
pages = "1489--1497",
journal = "Polyhedron",
issn = "0277-5387",
publisher = "Elsevier Limited",
number = "11",
}
RIS
TY - JOUR
T1 - Synthesis of complexes of 2,2 ': 6 ',2 ''-terpyridine and 1,10-phenanthroline with lanthanide thiocyanates; the molecular structures of [Ln(terpy)(2)(NCS)(3)] (Ln = Pr, Nd), [Nd(terpy)(2)(NCS)(3)]center dot 2EtOH and [Ln(phen)(3)(NCS)(3)]center dot EtOH (Ln = Pr, Nd)
AU - Cotton, Simon A.
AU - Franckevicius, Vilius
AU - How, Rachel E.
AU - Ahrens, Birte
AU - Ooi, Li Ling
AU - Mahon, Mary F.
AU - Raithby, Paul R.
AU - Teat, Simon J.
PY - 2003/6/1
Y1 - 2003/6/1
N2 - The complexes [Ln(terpy)(2)(NCS)(3)] (Ln = Pr (1), Nd (2); terpy = 2,2':6',2"-terpyridine), [Nd(terpY)2(NCS)(3)]-2EtOH (3) and [Ln(phen)3(NCS)3].EtOH (Ln = Pr(4), Nd (5); phen = 1,10-phenanthroline) have been synthesised in high yield by the reaction of [Ln(NO3)(3)].6H(2)O (Ln = Pr, Nd) with KNCS and subsequently with terpy or phen, respectively. The five complexes have been characterised crystallographically, and it is found that the pairs of complexes, I and 2, and 4 and 5 are isomorphous with each other. In all the complexes the lanthanoid ions are nine co-ordinate, and all contain meridionally disposed thiocyanate groups. The molecular geometry of 3 is very similar to that of 2, and the crystal structure differs only in the presence of the two ethanol solvent molecules. In the whole series of complexes the Ln-N(thiocyanate) distances are shorter than the Ln-N(terpy/phen) distances and there is a shortening of all the lanthanoid-ligand bonds in the neodymium complexes compared with the praseodymium, consistent with the expected 'lanthanide contraction' that occurs as additional electrons enter the 4f orbitals. In all the complexes the thiocyanate groups are linear, but there is a significant variation in the angle at the thiocyanate at nitrogen and Ln-N-C angles lie in the range 147-177degrees. (C) 2003 Elsevier Science Ltd. All rights reserved.
AB - The complexes [Ln(terpy)(2)(NCS)(3)] (Ln = Pr (1), Nd (2); terpy = 2,2':6',2"-terpyridine), [Nd(terpY)2(NCS)(3)]-2EtOH (3) and [Ln(phen)3(NCS)3].EtOH (Ln = Pr(4), Nd (5); phen = 1,10-phenanthroline) have been synthesised in high yield by the reaction of [Ln(NO3)(3)].6H(2)O (Ln = Pr, Nd) with KNCS and subsequently with terpy or phen, respectively. The five complexes have been characterised crystallographically, and it is found that the pairs of complexes, I and 2, and 4 and 5 are isomorphous with each other. In all the complexes the lanthanoid ions are nine co-ordinate, and all contain meridionally disposed thiocyanate groups. The molecular geometry of 3 is very similar to that of 2, and the crystal structure differs only in the presence of the two ethanol solvent molecules. In the whole series of complexes the Ln-N(thiocyanate) distances are shorter than the Ln-N(terpy/phen) distances and there is a shortening of all the lanthanoid-ligand bonds in the neodymium complexes compared with the praseodymium, consistent with the expected 'lanthanide contraction' that occurs as additional electrons enter the 4f orbitals. In all the complexes the thiocyanate groups are linear, but there is a significant variation in the angle at the thiocyanate at nitrogen and Ln-N-C angles lie in the range 147-177degrees. (C) 2003 Elsevier Science Ltd. All rights reserved.
KW - 2,2 ': 6 ',2 ''-terpyridine
KW - 1,10-phenanthroline
KW - praseodymium
KW - 2,2'/6',2-TERPYRIDINE
KW - LIGANDS
KW - CRYSTAL-STRUCTURES
KW - COORDINATION
KW - X-RAY
KW - HYDRATED 1/1-ADDUCTS
KW - X-ray crystal structures
KW - SYSTEMATICS
KW - NITRATE
KW - RARE-EARTH COMPLEXES
KW - neodymium
U2 - 10.1016/S0277-5387(03)00133-5
DO - 10.1016/S0277-5387(03)00133-5
M3 - Journal article
VL - 22
SP - 1489
EP - 1497
JO - Polyhedron
JF - Polyhedron
SN - 0277-5387
IS - 11
ER -