Supramolecular architecture of chloranilate salts with organic cations

Four novel salts of chloranilic acid (H2CA; 3,6-dichloro-2,5-dihydroxy-1,4-quinone) with organic cations pyridinium (Hpy+), piperazinediium (H2ppz2+), 4,4'-bipyridinediium (H2bpy2+) and 1,10-phenanthrolinium (Hphen+) were prepared and structurally characterised: (Hpy)2CA (1), (H2ppz)CA (2), (H2...

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Permalink: http://skupni.nsk.hr/Record/nsk.NSK01001074256/Details
Matična publikacija: Croatica chemica acta (Online)
92 (2019), 2 ; str. 297-305
Glavni autori: Molčanov, Krešimir (Author), Jurić, Marijana, Androš Dubraja, Lidija
Vrsta građe: e-članak
Jezik: eng
Predmet:
Online pristup: https://doi.org/10.5562/cca3537
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100 1 |a Molčanov, Krešimir  |4 aut 
245 1 0 |a Supramolecular architecture of chloranilate salts with organic cations  |h [Elektronička građa] :  |b [pi]-stacking vs. hydrogen bonding /  |c Krešimir Molčanov, Marijana Jurić, Lidija Androš Dubraja. 
300 |b Ilustr. 
504 |a Bibliografija: 41 jed. 
504 |a Abstract. 
520 |a Four novel salts of chloranilic acid (H2CA; 3,6-dichloro-2,5-dihydroxy-1,4-quinone) with organic cations pyridinium (Hpy+), piperazinediium (H2ppz2+), 4,4'-bipyridinediium (H2bpy2+) and 1,10-phenanthrolinium (Hphen+) were prepared and structurally characterised: (Hpy)2CA (1), (H2ppz)CA (2), (H2bpy)CA·4H2O (3) and (Hphen)HCA·MeOH (4). Supramolecular architecture is based on extensive hydrogen bonding and π-stacking. The central motive is chloranilate dianion which acts as an acceptor of two bifurcated hydrogen bonds. Topology and dimensionality of hydrogen bonded networks can be tuned by use of different cations: thus discrete motives, 1D chains and 2D layers were observed. Three different types of π-stacks are present: aromatic stacks, quinoid stacks and stacks of alternating quinoid and aromatic rings. 
546 |b Grčko slovo u naslovu. 
653 0 |a Kloranilna kiselina  |a Kristalne strukture  |a Supramolekularna kemija  |a Vodikove veze  |a Kationi  |a Anioni  |a Prijenos protona  |a Elektronska struktura 
700 1 |a Jurić, Marijana  |4 aut 
700 1 |a Androš Dubraja, Lidija  |4 aut 
773 0 |t Croatica chemica acta (Online)  |x 1334-417X  |g 92 (2019), 2 ; str. 297-305  |w nsk.(HR-ZaNSK)000255036 
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998 |b tino2011 
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