Combined influence of hydrogen bonds and π–π interactions on the assembly of five manganese coordination polymers with magnetic properties

CrystEngComm ◽  
2017 ◽  
Vol 19 (12) ◽  
pp. 1658-1668 ◽  
Author(s):  
Run-Ping Ye ◽  
Xin Zhang ◽  
Ye-Yan Qin ◽  
Yuan-Gen Yao
CrystEngComm ◽  
2015 ◽  
Vol 17 (15) ◽  
pp. 3023-3030 ◽  
Author(s):  
Ahmad Husain ◽  
Clive L. Oliver

Two novel mixed 1D–2D coordination polymers based on 2D [Ln(4,4′-bpdo)2(NO3)2(H2O)2]+n sheets and 1D [Ln2(4,4′-bpdo)2(C4AS)(NO3)(H2O)9]n chains (Ln = Sm for 1 and Ln = Nd for 2) sustained by π⋯π interactions and lattice water facilitated hydrogen bonds have been established.


Author(s):  
Yue-Feng Zhang ◽  
Jian-Ping Ma ◽  
Qi-Kui Liu ◽  
Yu-Bin Dong

The novel asymmetric bridging ligand 1-[(pyridin-3-yl)methyl]-2-[4-(pyridin-3-yl)phenyl]-1H-benzimidazole (L) has been used to construct the coordination polymerscatena-poly[[[dibromidocadmium(II)]-μ3-1-[(pyridin-3-yl)methyl]-2-[4-(pyridin-3-yl)phenyl]-1H-benzimidazole] monohydrate], {[CdBr2(C24H18N4)]·H2O}n, (I), andcatena-poly[[diiodidocadmium(II)]-μ3-1-[(pyridin-3-yl)methyl]-2-[4-(pyridin-3-yl)phenyl]-1H-benzimidazole], [CdI2(C24H18N4)]n, (II). Compounds (I) and (II) are closely related one-dimensional polymers based on 16- and 20-membered macrocycles along the chains, but they are not isomorphous. The chains are crosslinked into a two-dimensional networkviahydrogen bonds and π–π interactions in (I), and into a three-dimensional framework through π–π interactions in (II). One well-ordered solvent water molecule per asymmetric unit is included in (I) and forms O...Br hydrogen bonds.


2013 ◽  
Vol 3 (2) ◽  
pp. 144-160 ◽  
Author(s):  
Sergey Kolotilov ◽  
Mikhail Kiskin ◽  
Igor Eremenko ◽  
Vladimir Novotortsev

2021 ◽  
Vol 9 (15) ◽  
pp. 5082-5087
Author(s):  
Yu Gong ◽  
Wang-Kang Han ◽  
Hui-Shu Lu ◽  
Qing-Tao Hu ◽  
Huan Tu ◽  
...  

New Hofmann-type metal–organic frameworks display rare and complete ligand exchange induced single crystal to single crystal transformations from 3D frameworks to 2D layers, accompanied by magnetic properties transition from two-step SCO behavior to hysteretic SCO behavior.


2021 ◽  
Vol 24 (1) ◽  
pp. 199-207
Author(s):  
Jing-Sen Chen ◽  
Sheng-Long Cao ◽  
Hai-Ying Hu ◽  
Juan Shen ◽  
Yu-Jun Qi

2014 ◽  
Vol 70 (6) ◽  
pp. o679-o679 ◽  
Author(s):  
Hakima Chicha ◽  
El Mostapha Rakib ◽  
Abdellah Hannioui ◽  
Mohamed Saadi ◽  
Lahcen El Ammari

The indazole ring system of the title compound, C17H18ClN3O4S, is almost planar (r.m.s. deviation = 0.0113 Å) and forms dihedral angles of 32.22 (8) and 57.5 (3)° with the benzene ring and the mean plane through the 4-ethoxy group, respectively. In the crystal, molecules are connected by pairs of N—H...O hydrogen bonds into inversion dimers, which are further linked by π–π interactions between the diazole rings [intercentroid distance = 3.4946 (11) Å], forming chains parallel to [101].


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