A square-pyramidal copper complex containing both monodentate and anti-syn bridging formate groups: crystal structure of catena-μ-formato-formatobis(pyridine)copper(II) monohydrate

Cartwright, B. A.; Couchman, L. A.; Skapski, A. C.

doi:10.1107/s0567740879004982

Cited by 14 publications

(6 citation statements)

References 15 publications

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“…Overview of the investigated copper(II) reference compounds and the two investigated MOD inks (Cu(hex) 2 (HCOO) 2 and Cu(etam) 2 (HCOO) 2 ) based on single-crystal XRD measurements for the crystalline reference compounds, EXAFS structure determination (see also Supporting Information S6), TGA (Supporting Information S7), and cyclic voltammetry (Supporting Information S5). The crystal structures of the Cu(HCOO) 2 and (pyr) complex were already reported before. , The latter structure was redetermined (CCDC 1856775), whereas the (en) structure is new to CSD (CCDC 1856776).…”

Section: Resultsmentioning

confidence: 99%

“…The crystal structures of the Cu(HCOO) 2 and (pyr) complex were already reported before. 17,18 The latter structure was redetermined (CCDC 1856775), whereas the (en) structure is new to CSD (CCDC 1856776). the highest in situ reduction temperature, and no systematic order is found for the other complexes (Figure 3).…”

Section: ■ Results and Discussionmentioning

confidence: 99%

“…The amplitude reduction factor S 0 was set to 1. The fitting models were constructed by converting reported crystallographic structures (in case of Cu(HCOO) 2 , Cu(pyr) (HCOO) 2 ), remeasured (in case of Cu(pyr) 2 (HCOO) 2 ), or newly determined “.CIF” files (Cu(en) 2 (HCOO) 2 ) with Artemis software to cluster the structure to finite dimensions (longest path length 6 Å) and subsequently running the FEFF7 code to determine the scatting paths and their relative contribution. The E 0 value was chosen to be the first maximum of the derivative spectrum dμ( E )/d E and similar positive E -shifts were found during all fitting procedures (7.5 ± 2.0 eV).…”

Section: Materials and Methodsmentioning

confidence: 99%

“…The employed crystal structures in the present paper include CCDC 1132520 (CUFORM, copper formate 17 ) and the copper formate pyridine complex, FORPCU, 18 which was also redetermined and stored in the Cambridge Structural Database (CSD) (CCDC 1856775). Moreover, a novel crystal structure could be added to the database (CCDC 1856776).…”

Section: ■ Materials and Methodsmentioning

confidence: 99%

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Understanding the Importance of Cu(I) Intermediates in Self-Reducing Molecular Inks for Flexible Electronics

et al. 2018

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The fast and scalable low-temperature deposition of nanoscale metallic features is of the utmost importance for the development of future flexible smart applications including sensors, wireless communication and wearables. Recently, a new class of metalorganic decomposition (MOD) copper inks was developed, consisting of self-reducing copper formate containing amine complexes. From these novel inks, copper metal features with outstanding electrical conductivity (± 10 μΩ cm) are deposited at temperatures of 150 °C or less, which is well below the reduction temperature of orthorhombic α-copper formate (around 225 °C). However, the underlying principle of this reaction mechanism and the relationship between the corresponding temperature shift and the amine coordination is still under debate. The current study provides a full explanation for the shift in reduction temperatures via in-situ characterization. The results clearly indicate that the structural resemblance and stability of the Cu(II) starting compound and the occurring Cu(I) intermediate during the in-situ reduction, are the two main variables that rationalize the temperature shift. As such, the thermal compatibility of the copper MOD inks with conventional plastic substrates like polyethylene terephthalate (PET) can be explained, based on the metalorganic complex properties.

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Section: Resultsmentioning

confidence: 99%

Section: ■ Results and Discussionmentioning

confidence: 99%

Section: Materials and Methodsmentioning

confidence: 99%

Section: ■ Materials and Methodsmentioning

confidence: 99%

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Understanding the Importance of Cu(I) Intermediates in Self-Reducing Molecular Inks for Flexible Electronics

et al. 2018

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“…2 3 , dinuclear paddle-wheel [Cu 2 (O 2 CH) 4 (Py) 2 ] (refcode AFMPCB) 3 , and polynuclear [Cu(O 2 CH) 2 (Py) 2 ] n • nH 2 O (refcodes FORPCU and FORPCU01). 3,4 Crystal structures with substituted pyridines are more frequent, e.g. with 2-methylpyridine, 5,6 3-methylpyridine, 6,7 4-methylpyridine, 6 2,6-dimethylpyridine, 8 3-hydroxypyridine, 9 4-aminopyridine, 10 etc.…”

Section: Introductionmentioning

confidence: 99%

Copper(II) Coordination Compounds with Methanoato and Pyridine Ligands: Conversion from Mononuclear to Polynuclear in the Presence of Moisture

Golobič¹,

Marušič²,

Šegedin³

et al. 2019

ACSi

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Blue prismatic crystals of mononuclear [Cu II (O 2 CH) 2 (Py) 3 ] (Py = pyridine, C 5 H 5 N), 1, were prepared from reaction solution containing dry pyridine and dinuclear [Cu 2 II (O 2 CH) 4 (Py) 2 ]. When a portion of solution together with crystals was exposed to air moisture, crystals of 1 dissolved in mother liquid. Simultaneously, blue needles of 2, i.e. covalently linked one-dimensional chain structure with formula [Cu(O 2 CH) 2 (Py) 2 ] n • nH 2 O, grew out of the solution. The process lasted few minutes and was observed under optical microscope. The conversion from 1 to 2 takes place also outside of solution in the solid state. Single crystal X-ray diffraction data were collected at 150 K for 1 and after that for 2, originating from the same reaction solution. This paper reports the structures of both compounds. Alternative synthesis method of 2 arising from a mixture of copper methanoate and pyridine is also reported.

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Bonding properties of copper(II)?N chromophores: Preparation, structure, and spectroscopic properties of ethylenediaminecopper(II) complexes. Molecular structure of [Cu(ethylenediamine)(pyridine)2(ClO4)2]

Lin

Wang

et al. 1993

Transition Met Chem

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Ethylenediaminecopper(II) perchlorate complexes of the [Cu(ethylenediamine)L2(C104)2] type, where L = imidazole, N-methylimidazole, 2-methylimidazole, 4-methylimidazole, and pyridine, have been prepared and characterized by elemental analyses, and electronic, vibrational, and e.p.r. spectroscopic measurements. The molecular structure of [Cu(ethylenediamine)(pyridine)2(C104)2] has been determined by three-dimensional X-ray diffraction data. The Cu" ion is coordinated by one ethylenediamine and two pyridine ligands forming an equatorial plane, and by two perchlorate anions located on the z axis. The pyridine ligands incline at 54.9 ~ to the CuN 4 plane suggesting virtually no 7>interaction in the complex. Similar structures with a CuN 4 coordination plane are proposed for other complexes based on the spectroscopic data. The bonding properties of these complexes are elucidated and discussed with reference to the electronic structures deduced from Gaussian analyses of their LF spectra.

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A square-pyramidal copper complex containing both monodentate and anti-syn bridging formate groups: crystal structure of catena-μ-formato-formatobis(pyridine)copper(II) monohydrate

Cited by 14 publications

References 15 publications

Understanding the Importance of Cu(I) Intermediates in Self-Reducing Molecular Inks for Flexible Electronics

Understanding the Importance of Cu(I) Intermediates in Self-Reducing Molecular Inks for Flexible Electronics

Copper(II) Coordination Compounds with Methanoato and Pyridine Ligands: Conversion from Mononuclear to Polynuclear in the Presence of Moisture

Bonding properties of copper(II)?N chromophores: Preparation, structure, and spectroscopic properties of ethylenediaminecopper(II) complexes. Molecular structure of [Cu(ethylenediamine)(pyridine)2(ClO4)2]

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