Heterobimetallic coordination polymers based on the [Pt(SCN) 4]2- and [Pt(SeCN)4]2- building blocks

Masayuki Kobayashi, Didier Savard, Andrew R. Geisheimer, Ken Sakai, Daniel B. Leznoff

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

New complexes and the first coordination polymers containing [Pt(SCN) 4]2- of the type [M(L)x][Pt(SCN)4] (where L = 2,2′-bipyridine (bipy), x = 2, M = Co(II), Ni(II), Cu(II); L = ethylenediamine (en), x = 2, M = Ni(II), Cu(II); L = N,N,N′,N′- tetramethylethylenediamine (tmeda), x = 1, M = Cu(II); L = 2,2′;6′, 2″-terpyridine (terpy), x = 1, M = Mn(II), Co(II); L = 1,10-phenanthroline (phen), x = 2, M = Pb(II)) were prepared by reacting the appropriate metal-ligand cations with K2[Pt(SCN)4] and structurally characterized. [M(bipy)2Pt(SCN)4]2·2MeOH (M = Co (1), Cu (4)) consist of supramolecular tetranuclear distorted squares containing two [M(bipy)2]2+ and two [Pt(SCN) 4]2+ units. [Cu(bipy)2(NCS)] 2[Pt(SCN)4] (6) is a double salt of the [Pt(SCN) 4]2- anion and two [Cu(bipy)(NCS)]+ cations. [Cu(en)2Pt(SCN)4] (7, 8) are 1-D coordination polymers that are coordinated in either cis or trans fashion at the [Pt(SCN) 4]2- unit, for 7 and 8, respectively. Complexes [Cu(en)2Pt(SeCN)4] (9) and [Ni(en)2Pt(SCN) 4] (10) are similar to 8 and 7, respectively, but complex 9 (prepared using (nBu4N)2[Pt(SeCN)4]) also presents intermolecular Se-Se interactions which resulted in an increased dimensionality. Compounds [M(terpy)Pt(SCN)4] (M = Mn (11), Co (13)) involve 2-D sheets of [M(terpy)]2+ and [Pt(SCN)4] 2- units, whereas [Mn(terpy)2][Pt(SCN)4] (12) is a double salt of one [Mn(terpy)2]2+ unit and one [Pt(SCN)4]2-. [Cu(tmeda)Pt(SCN)4] (14) contains a five-coordinate Cu2+ metal center coordinated to one tmeda ligand and three different [Pt(SCN)4]2- units, resulting in 2-D sheets. [Pb(phen)2Pt(SCN)4] (15) contains an 8-coordinate Pb2+ metal center coordinated to two phen ligands and four [Pt(SCN)4]2-, generating a 3-D network in the solid state. Structural correlations were established between the ancillary ligand, the choice of metal, the structure of the [Pt(SCN)4]2- building block, and the resulting dimensionality of the coordination polymers.

Original languageEnglish
Pages (from-to)4842-4852
Number of pages11
JournalInorganic chemistry
Volume52
Issue number9
DOIs
Publication statusPublished - May 6 2013

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ethylenediamine
coordination polymers
Polymers
Metals
Ligands
ligands
Phenanthrolines
metals
Cations
Salts
salts
cations
Anions
anions
solid state

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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Heterobimetallic coordination polymers based on the [Pt(SCN) 4]2- and [Pt(SeCN)4]2- building blocks. / Kobayashi, Masayuki; Savard, Didier; Geisheimer, Andrew R.; Sakai, Ken; Leznoff, Daniel B.

In: Inorganic chemistry, Vol. 52, No. 9, 06.05.2013, p. 4842-4852.

Research output: Contribution to journalArticle

Kobayashi, Masayuki ; Savard, Didier ; Geisheimer, Andrew R. ; Sakai, Ken ; Leznoff, Daniel B. / Heterobimetallic coordination polymers based on the [Pt(SCN) 4]2- and [Pt(SeCN)4]2- building blocks. In: Inorganic chemistry. 2013 ; Vol. 52, No. 9. pp. 4842-4852.
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title = "Heterobimetallic coordination polymers based on the [Pt(SCN) 4]2- and [Pt(SeCN)4]2- building blocks",
abstract = "New complexes and the first coordination polymers containing [Pt(SCN) 4]2- of the type [M(L)x][Pt(SCN)4] (where L = 2,2′-bipyridine (bipy), x = 2, M = Co(II), Ni(II), Cu(II); L = ethylenediamine (en), x = 2, M = Ni(II), Cu(II); L = N,N,N′,N′- tetramethylethylenediamine (tmeda), x = 1, M = Cu(II); L = 2,2′;6′, 2″-terpyridine (terpy), x = 1, M = Mn(II), Co(II); L = 1,10-phenanthroline (phen), x = 2, M = Pb(II)) were prepared by reacting the appropriate metal-ligand cations with K2[Pt(SCN)4] and structurally characterized. [M(bipy)2Pt(SCN)4]2·2MeOH (M = Co (1), Cu (4)) consist of supramolecular tetranuclear distorted squares containing two [M(bipy)2]2+ and two [Pt(SCN) 4]2+ units. [Cu(bipy)2(NCS)] 2[Pt(SCN)4] (6) is a double salt of the [Pt(SCN) 4]2- anion and two [Cu(bipy)(NCS)]+ cations. [Cu(en)2Pt(SCN)4] (7, 8) are 1-D coordination polymers that are coordinated in either cis or trans fashion at the [Pt(SCN) 4]2- unit, for 7 and 8, respectively. Complexes [Cu(en)2Pt(SeCN)4] (9) and [Ni(en)2Pt(SCN) 4] (10) are similar to 8 and 7, respectively, but complex 9 (prepared using (nBu4N)2[Pt(SeCN)4]) also presents intermolecular Se-Se interactions which resulted in an increased dimensionality. Compounds [M(terpy)Pt(SCN)4] (M = Mn (11), Co (13)) involve 2-D sheets of [M(terpy)]2+ and [Pt(SCN)4] 2- units, whereas [Mn(terpy)2][Pt(SCN)4] (12) is a double salt of one [Mn(terpy)2]2+ unit and one [Pt(SCN)4]2-. [Cu(tmeda)Pt(SCN)4] (14) contains a five-coordinate Cu2+ metal center coordinated to one tmeda ligand and three different [Pt(SCN)4]2- units, resulting in 2-D sheets. [Pb(phen)2Pt(SCN)4] (15) contains an 8-coordinate Pb2+ metal center coordinated to two phen ligands and four [Pt(SCN)4]2-, generating a 3-D network in the solid state. Structural correlations were established between the ancillary ligand, the choice of metal, the structure of the [Pt(SCN)4]2- building block, and the resulting dimensionality of the coordination polymers.",
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TY - JOUR

T1 - Heterobimetallic coordination polymers based on the [Pt(SCN) 4]2- and [Pt(SeCN)4]2- building blocks

AU - Kobayashi, Masayuki

AU - Savard, Didier

AU - Geisheimer, Andrew R.

AU - Sakai, Ken

AU - Leznoff, Daniel B.

PY - 2013/5/6

Y1 - 2013/5/6

N2 - New complexes and the first coordination polymers containing [Pt(SCN) 4]2- of the type [M(L)x][Pt(SCN)4] (where L = 2,2′-bipyridine (bipy), x = 2, M = Co(II), Ni(II), Cu(II); L = ethylenediamine (en), x = 2, M = Ni(II), Cu(II); L = N,N,N′,N′- tetramethylethylenediamine (tmeda), x = 1, M = Cu(II); L = 2,2′;6′, 2″-terpyridine (terpy), x = 1, M = Mn(II), Co(II); L = 1,10-phenanthroline (phen), x = 2, M = Pb(II)) were prepared by reacting the appropriate metal-ligand cations with K2[Pt(SCN)4] and structurally characterized. [M(bipy)2Pt(SCN)4]2·2MeOH (M = Co (1), Cu (4)) consist of supramolecular tetranuclear distorted squares containing two [M(bipy)2]2+ and two [Pt(SCN) 4]2+ units. [Cu(bipy)2(NCS)] 2[Pt(SCN)4] (6) is a double salt of the [Pt(SCN) 4]2- anion and two [Cu(bipy)(NCS)]+ cations. [Cu(en)2Pt(SCN)4] (7, 8) are 1-D coordination polymers that are coordinated in either cis or trans fashion at the [Pt(SCN) 4]2- unit, for 7 and 8, respectively. Complexes [Cu(en)2Pt(SeCN)4] (9) and [Ni(en)2Pt(SCN) 4] (10) are similar to 8 and 7, respectively, but complex 9 (prepared using (nBu4N)2[Pt(SeCN)4]) also presents intermolecular Se-Se interactions which resulted in an increased dimensionality. Compounds [M(terpy)Pt(SCN)4] (M = Mn (11), Co (13)) involve 2-D sheets of [M(terpy)]2+ and [Pt(SCN)4] 2- units, whereas [Mn(terpy)2][Pt(SCN)4] (12) is a double salt of one [Mn(terpy)2]2+ unit and one [Pt(SCN)4]2-. [Cu(tmeda)Pt(SCN)4] (14) contains a five-coordinate Cu2+ metal center coordinated to one tmeda ligand and three different [Pt(SCN)4]2- units, resulting in 2-D sheets. [Pb(phen)2Pt(SCN)4] (15) contains an 8-coordinate Pb2+ metal center coordinated to two phen ligands and four [Pt(SCN)4]2-, generating a 3-D network in the solid state. Structural correlations were established between the ancillary ligand, the choice of metal, the structure of the [Pt(SCN)4]2- building block, and the resulting dimensionality of the coordination polymers.

AB - New complexes and the first coordination polymers containing [Pt(SCN) 4]2- of the type [M(L)x][Pt(SCN)4] (where L = 2,2′-bipyridine (bipy), x = 2, M = Co(II), Ni(II), Cu(II); L = ethylenediamine (en), x = 2, M = Ni(II), Cu(II); L = N,N,N′,N′- tetramethylethylenediamine (tmeda), x = 1, M = Cu(II); L = 2,2′;6′, 2″-terpyridine (terpy), x = 1, M = Mn(II), Co(II); L = 1,10-phenanthroline (phen), x = 2, M = Pb(II)) were prepared by reacting the appropriate metal-ligand cations with K2[Pt(SCN)4] and structurally characterized. [M(bipy)2Pt(SCN)4]2·2MeOH (M = Co (1), Cu (4)) consist of supramolecular tetranuclear distorted squares containing two [M(bipy)2]2+ and two [Pt(SCN) 4]2+ units. [Cu(bipy)2(NCS)] 2[Pt(SCN)4] (6) is a double salt of the [Pt(SCN) 4]2- anion and two [Cu(bipy)(NCS)]+ cations. [Cu(en)2Pt(SCN)4] (7, 8) are 1-D coordination polymers that are coordinated in either cis or trans fashion at the [Pt(SCN) 4]2- unit, for 7 and 8, respectively. Complexes [Cu(en)2Pt(SeCN)4] (9) and [Ni(en)2Pt(SCN) 4] (10) are similar to 8 and 7, respectively, but complex 9 (prepared using (nBu4N)2[Pt(SeCN)4]) also presents intermolecular Se-Se interactions which resulted in an increased dimensionality. Compounds [M(terpy)Pt(SCN)4] (M = Mn (11), Co (13)) involve 2-D sheets of [M(terpy)]2+ and [Pt(SCN)4] 2- units, whereas [Mn(terpy)2][Pt(SCN)4] (12) is a double salt of one [Mn(terpy)2]2+ unit and one [Pt(SCN)4]2-. [Cu(tmeda)Pt(SCN)4] (14) contains a five-coordinate Cu2+ metal center coordinated to one tmeda ligand and three different [Pt(SCN)4]2- units, resulting in 2-D sheets. [Pb(phen)2Pt(SCN)4] (15) contains an 8-coordinate Pb2+ metal center coordinated to two phen ligands and four [Pt(SCN)4]2-, generating a 3-D network in the solid state. Structural correlations were established between the ancillary ligand, the choice of metal, the structure of the [Pt(SCN)4]2- building block, and the resulting dimensionality of the coordination polymers.

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