EPR and X-ray structural study of some tetrahalocuprates CuX42- (X  Cl, Br) of protonated ammines with thermochromic properties

Fernandez, V.; Morán, Moisés; Gutierrez-Rı́os, M.T.; Foces‐Foces, Concepción; Cano, F. H.

doi:10.1016/s0020-1693(00)86551-2

Cited by 25 publications

(12 citation statements)

References 21 publications

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“…A similar hydrogen-bond pattern is found in the isostructural, though not isomorphous, diisopropylammonium chloride (Prince, Miller, Fronczek & Gandour, 1990). Diisopropylammonium cations and anions packed in the crystal through networks of hydrogen-bond interactions are also found in bis-(diisopropylammonium)tetrabromocuprate(II) (Fernandez, Moran, Gutierrez-Rios, Foces-Foces & Cano, 1987) and in the diisopropylammonium salts of a carbamoylplatinate (DeU'Amico, Calderazzo & Pelizzi, 1979) and a carbonylferrate (Chert, Cheng & Hseu, 1987). The N--C and C---C distances of (I) compare favourably with distances found in diisopropylammonium diisopropyldithiocarbamate (Wahlberg, 1978) and the diisopropylammonium salt of a titanium(HI) N,N-dialkylcarbamato complex (Dell'Amico, Calderazzo, Giurlani & Pelizzi, 1987).…”

Section: Methodsmentioning

confidence: 99%

Diisopropylammonium Bromide

Kociok-Köhn¹,

Lungwitz²,

Filippou³

1996

Acta Crystallogr C

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(1974, Vol. IV) 1.486 (6) C(I 2)---<2 (13) 1.517 (6) C(12)---C(14)1.526 (6)110.9 Symmetry codes: (i) x, 1 + y, ½,½-z;(iv) x-l,Y,Z. CAMERON (Pearce & Watkin, 1993). Software used to prepare material for publication: CRYSTALS.HRP wishes to thank the CCDC and the University Chemical Laboratories, Cambridge, for the use of X-ray diffraction and computing facilities.Lists of structure factors, anisotropic displacement parameters, Hatom coordinates and complete geometry have been deposited with the IUCr (Reference: HU1140). (Received 20 December 1995; accepted 22 March 1996) Abstract In the title compound, C6H16N+.Br -, each diisopropylammonium cation interacts with the bromide anion via two hydrogen bonds leading to an infinite onedimensional chain of molecules in the crystal. The cation has an approximate twofold axis of symmetry. CommentDiisopropylammonium bromide (I) was obtained in the course of studying the reaction of BrRe(CO)5 with lithium diall~lamides with the intention of generating lithium carbamoylmetallates as precursors for amino-

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Section: Methodsmentioning

confidence: 99%

Diisopropylammonium Bromide

Kociok-Köhn¹,

Lungwitz²,

Filippou³

1996

Acta Crystallogr C

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“…The piperidinium ions in (HPip)Cu 2 Br 3 have a chair conformation, see Figure 2. Their geometry is close to that in (HPip) 2 CuBr 4 [9] and the respective chlorides [10,11]. They connect the ladders via H-bonding, see Figure 3.…”

Section: Open Accessmentioning

confidence: 66%

(C5H12N)Cu2Br3: A Piperidinium Copper(I) Bromide with [Cu2Br3]− Ladders

et al. 2012

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“…For background to compounds with [CuCl 4 ] 2À anions, see: Awwadi et al (2007); Bloomquist et al (1988); Ihara (2007); Nelson et al (1979); Schneider et al (2007); Willett (1991); Willett & Twamley (2007). For related structures, see: Fernandez et al (1987); Parent et al (2007); Nalla & Bond (2011). For comparison bond lengths and angles, see: Ladd & Palmer (1994).…”

Section: Related Literaturementioning

confidence: 99%

Bis(1-methylpiperidinium) tetrachloridocuprate(II)

Reynolds

Bond

2011

Acta Cryst E

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The structure of the title compound, (C6H14N)2[CuCl4], consists of two inequivalent 1-methylpiperidinium cations and a flattened tetrahedral [CuCl4]2− anion. Each organic cation exhibits a chair conformation with the methyl group in the equatorial position. They are segregated into alternating layers parallel to (100) and stacked along [100]. The first cation is arranged in parallel stacks in a herringbone pattern with rows of [CuCl4]2− anions fitting between the stacks and with a Cl− ion directed into the interior of the layer. The second organic cation forms distorted hcp layers that separate the other organic cation/[CuCl4]2− slabs. N—H⋯Cl hydrogen bonding between the cations and the anions consolidates the crystal packing.

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EPR and X-ray structural study of some tetrahalocuprates CuX42- (X  Cl, Br) of protonated ammines with thermochromic properties

Cited by 25 publications

References 21 publications

Diisopropylammonium Bromide

Diisopropylammonium Bromide

(C5H12N)Cu2Br3: A Piperidinium Copper(I) Bromide with [Cu2Br3]− Ladders

Bis(1-methylpiperidinium) tetrachloridocuprate(II)

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