Bis[<i>N</i>-(β-naphthyl)-2-oxy-1-naphthaldiminato]nickel(II)

Gavranić, Marijana; Kaitner, Branko; Meštrović, Ernest

doi:10.1107/s0108270197007038

Cited by 6 publications

(5 citation statements)

References 2 publications

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“…The twisting of the o-tolyl moiety is affected by the molecular environment and packing in the crystal, as a consequence of sterical hindrance due to the approaching of two ligands to each other in the complex and the increase of bond angles in the chelate ring. Similar stereochemical behaviour was observed in the analogous nickel(II) complexes with N-(2,6-diisopropylphenyl)- [118] and N-(β-naphthyl)-2hydroxy-1-naphthalidenamine [119].…”

Section: Metal Complexes Of Schiff Basessupporting

confidence: 76%

Schiff bases derived from hydroxyaryl aldehydes: molecular and crystal structure, tautomerism, quinoid effect, coordination compounds

Blagus

Cinčić

Friščić

et al. 2010

Maced. J. Chem. Chem. Eng.

105

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During the last 50 years a vast number of structural studies on Schiff bases derived from hydroxyaryl aldehydes and their coordination compounds have been undertaken. In this review we present a systematic and brief overview of the most important discoveries and achievements accomplished in this field. The occurrence of Schiff bases (and their complexes) derived from nine most commonly used hydroxyaryl aldehydes in the Cambridge Structural Database (CSD) has been investigated. Keto-enol tautomerism and intramolecular hydrogen bonding in salicylaldimines and naphthaldimines is discussed, with a comment of the most common errors in determining the correct tautomeric form. Also, the interrelationship of crystal packing and the substituents on the Schiff base is studied. Finally, we give a short overview of conformational differences between free Schiff bases and Schiff bases bonded to metal ions as well as some structural characteristics of Schiff base metal complexes.

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Section: Metal Complexes Of Schiff Basessupporting

confidence: 76%

Schiff bases derived from hydroxyaryl aldehydes: molecular and crystal structure, tautomerism, quinoid effect, coordination compounds

Blagus

Cinčić

Friščić

et al. 2010

Maced. J. Chem. Chem. Eng.

105

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“…Poly( N‐ isopropylacrylamide) (pNIPAm) and its derivatives are the most widely used temperature‐sensitive hydrogels that undergo the VPT. The VPT of pNIPAm is ascribed to the tendency to switch between intermolecular hydrogen bonding (swelling state) and intramolecular hydrogen bonding (shrinking state) around the LCST (≈32 °C) . Wang and co‐workers studied extendable genetically engineered elastin‐like polypeptides (ELPs), which present a VPT .…”

Section: Photothermal Actuatorsmentioning

confidence: 99%

Photoactuators for Direct Optical‐to‐Mechanical Energy Conversion: From Nanocomponent Assembly to Macroscopic Deformation

et al. 2016

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Photoactuators with integrated optical-to-mechanical energy conversion capacity have attracted growing research interest in the last few decades due to their unique features of remote control and their wide applications ranging from bionic robots, biomedical devices, and switches to motors. For the photoactuator design, the energy conversion route and structure assembly are two important parts, which directly affect the performance of the photoactuators. In particular, the architectural designs at the molecular, nano-, micro-, and macro- level, are found to play a significant role in accumulating molecular-scale strain/stress to macroscale strain/stress. Here, recent progress on photoactuators based on photochemical and photothermal effects is summarized, followed by a discussion of the important assembly strategies for the amplification of the photoresponsive components at nanoscale to macroscopic scale motions. The application advancement of current photoactuators is also presented.

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“…For applications of Schiff bases and derivatives as ligands, see: Herná ndez-Molina et al (1997); Torayama et al (1997); Elerman et al (1998); Ganjali et al (2008). For discussion of the quinoid effect, see: Gavranić et al (1996Gavranić et al ( , 1997; Friščić et al (1998). For structures with a herringbone arrangement, see: Desiraju & Gavezzotti (1989).…”

Section: Related Literaturementioning

confidence: 99%

“…extensively as ligands with numerous transition and p-block metals (Blagus et al, 2010). The conformation of the free ligand is of interest for comparison with the coordinated one in a corresponding metal complex (Gavranić et al, 1997).…”

Section: Data Collectionmentioning

confidence: 99%

1,1′-[m-Phenylenebis(nitrilomethanylylidene)]dinaphthalen-2-ol–1,1′-[m-phenylenebis(iminomethanylylidene)]dinaphthalen-2(1H)-one (0.58/0.42)

Blagus

Kaitner

2011

Acta Cryst E

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In the solid state the title Schiff base, 0.58C28H20N2O2·0.42C28H20N2O2, exists both as the keto–imino and as the enol–amino tautomer, which is manifested in the disorder of the H atom in the intramolecular hydrogen-bonded ring. The naphthalene ring systems show some distortion, which is consistent with the quinoid effect. The ratio of the enol form refined to 58 (5)%. The molecule has crystallographically imposed symmetry: a twofold axis passes through the central benzene ring. Crystals are built up of layers parallel to (010). Stacking interactions between the layers involve only standard van der Waals attraction forces between apolar groups. The alignment of the aromatic rings in neighbouring layers shows a herringbone motif. A weak C—H⋯O interaction is observed.

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Bis[N-(β-naphthyl)-2-oxy-1-naphthaldiminato]nickel(II)

Cited by 6 publications

References 2 publications

Schiff bases derived from hydroxyaryl aldehydes: molecular and crystal structure, tautomerism, quinoid effect, coordination compounds

Schiff bases derived from hydroxyaryl aldehydes: molecular and crystal structure, tautomerism, quinoid effect, coordination compounds

Photoactuators for Direct Optical‐to‐Mechanical Energy Conversion: From Nanocomponent Assembly to Macroscopic Deformation

1,1′-[m-Phenylenebis(nitrilomethanylylidene)]dinaphthalen-2-ol–1,1′-[m-phenylenebis(iminomethanylylidene)]dinaphthalen-2(1H)-one (0.58/0.42)

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