Synthesis, crystal structure and electrospray ionisation mass spectrometry of a novel one-dimensional cyano-bridged Ni(II)-Au(I) polymer

I. K. Chu; I. P Y Shek; W. T. Wong; J. L. Zuo; T. C. Lau

doi:10.1039/b003673k

Synthesis, crystal structure and electrospray ionisation mass spectrometry of a novel one-dimensional cyano-bridged Ni(II)-Au(I) polymer

I. K. Chu, I. P Y Shek, W. T. Wong, J. L. Zuo, T. C. Lau

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

25 Citations (Scopus)

Abstract

Reaction of nickel(II) acetate with tren [tren = tris(2-aminoethyl)amine] and K[Au(CN)₂] produced [Ni(tren)Au(CN)₂][Au(CN)₂] (1), which consists of cis-[Ni(tren)]²⁺ units linked by Au(CN)₂^- to form infinite zig-zag chains. The complex obeys the Curie-Weiss law throughout the temperature range 4-300 K, with a Curie constant of 1.10 cm³ K mol^-1 and a Weiss temperature, θ, of 0.62 K. The electrospray mass spectrum of 1 in H₂O-CH₃OH shows peaks that can be described by the general formulae {[Ni(tren)](n)[Au(CN)₂](2n-1)}⁺ (n = 1-4) and {[Ni(tren)](n)[Au(CN)₂](2n-2)}²⁺ (n = 2-9). Based on the crystal structure of the polymer, these ions are best described as composed of an oligomeric cation that may be associated with one or more Au(CN)₂/^- counter ions.

Original language	English
Pages (from-to)	765-769
Journal	New Journal of Chemistry
Volume	24
Issue number	10
DOIs	https://doi.org/10.1039/b003673k
Publication status	Published - 2000

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title = "Synthesis, crystal structure and electrospray ionisation mass spectrometry of a novel one-dimensional cyano-bridged Ni(II)-Au(I) polymer",

abstract = "Reaction of nickel(II) acetate with tren [tren = tris(2-aminoethyl)amine] and K[Au(CN)2] produced [Ni(tren)Au(CN)2][Au(CN)2] (1), which consists of cis-[Ni(tren)]2+ units linked by Au(CN)2- to form infinite zig-zag chains. The complex obeys the Curie-Weiss law throughout the temperature range 4-300 K, with a Curie constant of 1.10 cm3 K mol-1 and a Weiss temperature, θ, of 0.62 K. The electrospray mass spectrum of 1 in H2O-CH3OH shows peaks that can be described by the general formulae {[Ni(tren)](n)[Au(CN)2](2n-1)}+ (n = 1-4) and {[Ni(tren)](n)[Au(CN)2](2n-2)}2+ (n = 2-9). Based on the crystal structure of the polymer, these ions are best described as composed of an oligomeric cation that may be associated with one or more Au(CN)2/- counter ions.",

author = "Chu, {I. K.} and Shek, {I. P Y} and Wong, {W. T.} and Zuo, {J. L.} and Lau, {T. C.}",

year = "2000",

doi = "10.1039/b003673k",

language = "English",

volume = "24",

pages = "765--769",

journal = "New Journal of Chemistry",

issn = "1144-0546",

publisher = "Royal Society of Chemistry",

number = "10",

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TY - JOUR

T1 - Synthesis, crystal structure and electrospray ionisation mass spectrometry of a novel one-dimensional cyano-bridged Ni(II)-Au(I) polymer

AU - Chu, I. K.

AU - Shek, I. P Y

AU - Wong, W. T.

AU - Zuo, J. L.

AU - Lau, T. C.

PY - 2000

Y1 - 2000

N2 - Reaction of nickel(II) acetate with tren [tren = tris(2-aminoethyl)amine] and K[Au(CN)2] produced [Ni(tren)Au(CN)2][Au(CN)2] (1), which consists of cis-[Ni(tren)]2+ units linked by Au(CN)2- to form infinite zig-zag chains. The complex obeys the Curie-Weiss law throughout the temperature range 4-300 K, with a Curie constant of 1.10 cm3 K mol-1 and a Weiss temperature, θ, of 0.62 K. The electrospray mass spectrum of 1 in H2O-CH3OH shows peaks that can be described by the general formulae {[Ni(tren)](n)[Au(CN)2](2n-1)}+ (n = 1-4) and {[Ni(tren)](n)[Au(CN)2](2n-2)}2+ (n = 2-9). Based on the crystal structure of the polymer, these ions are best described as composed of an oligomeric cation that may be associated with one or more Au(CN)2/- counter ions.

AB - Reaction of nickel(II) acetate with tren [tren = tris(2-aminoethyl)amine] and K[Au(CN)2] produced [Ni(tren)Au(CN)2][Au(CN)2] (1), which consists of cis-[Ni(tren)]2+ units linked by Au(CN)2- to form infinite zig-zag chains. The complex obeys the Curie-Weiss law throughout the temperature range 4-300 K, with a Curie constant of 1.10 cm3 K mol-1 and a Weiss temperature, θ, of 0.62 K. The electrospray mass spectrum of 1 in H2O-CH3OH shows peaks that can be described by the general formulae {[Ni(tren)](n)[Au(CN)2](2n-1)}+ (n = 1-4) and {[Ni(tren)](n)[Au(CN)2](2n-2)}2+ (n = 2-9). Based on the crystal structure of the polymer, these ions are best described as composed of an oligomeric cation that may be associated with one or more Au(CN)2/- counter ions.

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U2 - 10.1039/b003673k

DO - 10.1039/b003673k

M3 - RGC 21 - Publication in refereed journal

SN - 1144-0546

VL - 24

SP - 765

EP - 769

JO - New Journal of Chemistry

JF - New Journal of Chemistry

IS - 10

ER -

Synthesis, crystal structure and electrospray ionisation mass spectrometry of a novel one-dimensional cyano-bridged Ni(II)-Au(I) polymer

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