Spontaneous chiral resolution of a coordination polymer with distorted helical structure consisting of achiral building blocksDedicated to Professor Peter Jutzi on the occasion of his 65th birthday.

2003 ◽  
pp. 2236 ◽  
Author(s):  
Ulrich Siemeling ◽  
Imke Scheppelmann ◽  
Beate Neumann ◽  
Anja Stammler ◽  
Hans-Georg Stammler ◽  
...  
Keyword(s):  
Coordination Polymer ◽  
Helical Structure ◽  
Chiral Resolution ◽  
65Th Birthday

Spontaneous chiral resolution of a rare 3D self-penetration coordination polymer for sensitive aqueous-phase detection of picric acid

2015 ◽  
Vol 44 (42) ◽  
pp. 18386-18394 ◽  
Author(s):  
Bai-Qiao Song ◽  
Chao Qin ◽  
Yu-Teng Zhang ◽  
Xue-Song Wu ◽  
Liu Yang ◽  
...  
Keyword(s):  
Coordination Polymer ◽  
Aqueous Phase ◽  
Picric Acid ◽  
Spontaneous Resolution ◽  
Chiral Resolution ◽  
Sensitive Detection ◽  
Phase Detection

A chiral, fluorescent and self-penetration coordination polymer was synthesized through spontaneous resolution, which showed sensitive detection of picric acid in the aqueous phase.

Stepwise assembly of a semiconducting coordination polymer [Cd8S(SPh)14(DMF)(bpy)]n and its photodegradation of organic dyes

2015 ◽  
Vol 44 (14) ◽  
pp. 6400-6405 ◽  
Author(s):  
Chao Xu ◽  
Niklas Hedin ◽  
Hua-Tian Shi ◽  
ZhiFeng Xin ◽  
Qian-Feng Zhang
Keyword(s):  
Coordination Polymer ◽  
Organic Dyes ◽  
Helical Structure ◽  
Stepwise Assembly

A semiconducting coordination polymer with 1D helical structure was constructed by stepwise assembly of chalcogenolate clusters and organic linkers.

A Zn-oxalate helix linked by a water helix: spontaneous chiral resolution of a Zn helical coordination polymer

2015 ◽  
Vol 39 (3) ◽  
pp. 2075-2080 ◽  
Author(s):  
Hong-Xin Mei ◽  
Ting Zhang ◽  
Dan-Feng Wang ◽  
Rong-Bin Huang ◽  
Lan-Sun Zheng
Keyword(s):  
Coordination Polymer ◽  
Spontaneous Resolution ◽  
Chiral Resolution

Two enantiomers of a Zn helical coordination polymer have been obtained from spontaneous resolution. In this compound, homochiral Zn-oxalate helices are linked by water helices comprising coordinated and guest water.

Single molecule optical diffraction: A tool for understanding the structure of triple stranded left-hand helical cellulose

1989 ◽  
Vol 47 ◽  
pp. 1024-1025
Author(s):  
George C. Ruben ◽  
William Krakow
Keyword(s):  
Single Molecule ◽  
Helical Structure ◽  
Optical Diffraction ◽  
Maximum Diameter ◽  
Primary Cell Wall ◽  
Cellulose Synthesis ◽  
Left Hand ◽  
Left Handed ◽  
Freeze Dried ◽  
Diffraction Patterns

Tobacco primary cell wall and normal bacterial Acetobacter xylinum cellulose formation produced a 36.8±3Å triple-stranded left-hand helical microfibril in freeze-dried Pt-C replicas and in negatively stained preparations for TEM. As three submicrofibril strands exit the wall of Axylinum , they twist together to form a left-hand helical microfibril. This process is driven by the left-hand helical structure of the submicrofibril and by cellulose synthesis. That is, as the submicrofibril is elongating at the wall, it is also being left-hand twisted and twisted together with two other submicrofibrils. The submicrofibril appears to have the dimensions of a nine (l-4)-ß-D-glucan parallel chain crystalline unit whose long, 23Å, and short, 19Å, diagonals form major and minor left-handed axial surface ridges every 36Å.The computer generated optical diffraction of this model and its corresponding image have been compared. The submicrofibril model was used to construct a microfibril model. This model and corresponding microfibril images have also been optically diffracted and comparedIn this paper we compare two less complex microfibril models. The first model (Fig. 1a) is constructed with cylindrical submicrofibrils. The second model (Fig. 2a) is also constructed with three submicrofibrils but with a single 23 Å diagonal, projecting from a rounded cross section and left-hand helically twisted, with a 36Å repeat, similar to the original model (45°±10° crossover angle). The submicrofibrils cross the microfibril axis at roughly a 45°±10° angle, the same crossover angle observed in microflbril TEM images. These models were constructed so that the maximum diameter of the submicrofibrils was 23Å and the overall microfibril diameters were similar to Pt-C coated image diameters of ∼50Å and not the actual diameter of 36.5Å. The methods for computing optical diffraction patterns have been published before.

Substituted imidazole copper(II) complexes: The coordination polymer complex tetrakis N -methylimidazole copper(II) sulfate

2003 ◽  
Vol 56 (8) ◽  
pp. 647-653 ◽  
Author(s):  
Lan Liu ◽  
Stan Duraj ◽  
Phillip E. Fanwick ◽  
Maria T. Andras ◽  
Aloysius F. Hepp
Keyword(s):  
Coordination Polymer ◽  
Polymer Complex

For James Haar on His 65th Birthday

1994 ◽  
Vol 12 (3) ◽  
pp. 396-397
Author(s):  
Jon W. Finson
Keyword(s):  
65Th Birthday
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