2014
DOI: 10.1021/jp5007395
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Mechanism of Nonlinear Optical Enhancement and Supramolecular Isomerism in 1D Polymeric Zn(II) and Cd(II) Sulfates with Pyridine-4-aldoxime Ligands

Abstract: Interaction of zinc(II) and cadmium(II) sulfates with pyridine-4-aldoxime (4-pyao) and pyridine-4amidoxime (4-pyamo) ligands resulted in four 1D metal− organic materials (MOMs) with identical composition, [M(SO 4 )A 2 (H 2 O) 2 ] n , where M = Zn(II), A = 4-pyao for 1, M = Cd(II), A = 4-pyao for 2, M = Zn(II), A = 4-pyamo for 3, M = Cd(II), A = 4-pyamo for 4, and mononuclear [Zn(SO 4 )(4-pyamo) 2 (H 2 O) 3 ] 5. New coordination polymers represent the mixed-ligand supramolecular isomers different by the twistin… Show more

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Cited by 25 publications
(24 citation statements)
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“…Complexes 2 and 4·2EtOH are the first structurally characterized Cd(II) complexes with 3paoH and dapdoH 2 ligands, respectively. Compounds 1 and 3 join a small family of structurally characterized Cd(II) complexes of 2paoH and 4paoH [ 55 , 56 , 57 , 58 , 59 , 60 ], mainly reported by Fonari’s group in a series of excellent crystal engineering studies. The 2paoH complexes reported are [Cd(O 2 CMe) 2 (2paoH) 2 ] [ 50 ], [Cd 2 (suc)(2paoH) 4 (H 2 O) 2 ]](BF 4 ) 2 [ 56 ], {[Cd(suc)(2paoH) 2 ]} n [ 56 ], [Cd(HCO 2 ) 2 (2paoH) 2 ] [ 59 ], {[Cd(1,4-bdc)(2paoH)]·1.5DMF} n [ 59 ], {[Cd(SO 4 )(2paoH)(H 2 O)]} n [ 59 ], {[Cd(fum)(2paoH) 2 ]} n [ 60 ], {[Cd(1,3-bdc)(2paoH)]} n [ 60 ], where suc 2− is the succinate(-2) ligand, 1,4-bdc 2- is the 1,4-benzenedicarboxylate(-2) ligand, fum 2− is the fumarate(-2) ligand and 1,3-bdc 2- is the 1,3-benzedicarboxylate(-2) ligand.…”
Section: Resultsmentioning
confidence: 99%
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“…Complexes 2 and 4·2EtOH are the first structurally characterized Cd(II) complexes with 3paoH and dapdoH 2 ligands, respectively. Compounds 1 and 3 join a small family of structurally characterized Cd(II) complexes of 2paoH and 4paoH [ 55 , 56 , 57 , 58 , 59 , 60 ], mainly reported by Fonari’s group in a series of excellent crystal engineering studies. The 2paoH complexes reported are [Cd(O 2 CMe) 2 (2paoH) 2 ] [ 50 ], [Cd 2 (suc)(2paoH) 4 (H 2 O) 2 ]](BF 4 ) 2 [ 56 ], {[Cd(suc)(2paoH) 2 ]} n [ 56 ], [Cd(HCO 2 ) 2 (2paoH) 2 ] [ 59 ], {[Cd(1,4-bdc)(2paoH)]·1.5DMF} n [ 59 ], {[Cd(SO 4 )(2paoH)(H 2 O)]} n [ 59 ], {[Cd(fum)(2paoH) 2 ]} n [ 60 ], {[Cd(1,3-bdc)(2paoH)]} n [ 60 ], where suc 2− is the succinate(-2) ligand, 1,4-bdc 2- is the 1,4-benzenedicarboxylate(-2) ligand, fum 2− is the fumarate(-2) ligand and 1,3-bdc 2- is the 1,3-benzedicarboxylate(-2) ligand.…”
Section: Resultsmentioning
confidence: 99%
“…In all these complexes, the 2paoH molecule behaves as a N,N′-bidentate chelating (1.011) ligand. The 4paoH Cd(II) complexes reported are {[Cd(mal)(4paoH)(H 2 O)]} n [ 56 ], {[Cd(adi)(4paoH) 2 ]·DMF} n [ 56 ], {[Cd(SO 4 )(4paoH) 2 (H 2 O) 2 ]} n [ 57 ], [Cd 2 (O 2 CMe) 4 (4paoH) 4 ]·4H 2 O [ 58 ], [Cd(O 2 CMe) 2 (4paoH) 3 ]·3H 2 O [ 58 ], {[Cd(1,3-bdc)(4paoH)(H 2 O) 2 ]·DMF·H 2 O} n [ 60 ], {[Cd(1,4-bdc)(4paoH) 2 (H 2 O)]·DMF} n [ 60 ] and {[Cd(1,4-bdc)(4paoH) 2 ]·DMF} n [ 60 ], where mal 2− is the malonate(-2) ligand and adi 2− is the adipate(-2) ligand. As in 3, in all of the just mentioned complexes, 4paoH behaves as an N(pyridyl) [1.010] monodentate ligand.…”
Section: Resultsmentioning
confidence: 99%
“…The d 10 metal complexes have gained intensive attention because of relatively low-cost, intriguing structures and adequate electron transport, which are advantageous to enhance the luminescence efficiency. 20,21 On the basis of the above considerations, we aim to synthesize d 10 metal complexes with strong absorption in ultraviolet and blue-violet light region, in order to replace noble metal complexes (metal osmium(II), platinum(II) and ruthenium(II) MCCs doped semiconductors) as co-sensitizers. [22][23][24] Herein, we report the design and synthesis of two new d 10 metal complexes, [Zn(3-qlc) 2 ] n (Zn1), [Cd(3-qlc) 2 ] n (Cd1).…”
Section: Introductionmentioning
confidence: 99%
“…

Metal-organic frameworks (MOFs) are an increasingly important class of porous materials that are comprised of organicl igands coordinated to metal-ion clusters. [36][37][38] MOFs can be synthesized to have moderate to high surface areas and can be assembled from molecular building blocks (MBB) with desired/tunable chemical functionality. [36][37][38] MOFs can be synthesized to have moderate to high surface areas and can be assembled from molecular building blocks (MBB) with desired/tunable chemical functionality.

…”
mentioning
confidence: 99%
“…[1][2][3][4][5][6] They have promising potential for av ariety of applications,i ncluding gas storage, [7][8][9][10][11][12][13] gas separations, [14][15][16][17][18][19][20] catalysis, [21][22][23][24][25] sensing, [26][27][28] drug delivery, [29][30][31] magnetism, [32,33] electrical conductivity, [34,35] and nonlinearo ptics. [36][37][38] MOFs can be synthesized to have moderate to high surface areas and can be assembled from molecular building blocks (MBB) with desired/tunable chemical functionality. [9,39] The building block approacha llows for the possibility to create av ast number of MOF structures.…”
mentioning
confidence: 99%