Quinolino[7,8-h]quinoline: A ‘Just Right’ Ligand for Beryllium(II) Coordination

2021 ◽  
Author(s):  
Jenna Buchanan ◽  
Rebecca Severinsen ◽  
Magnus Richard Buchner ◽  
Lewis Thomas-Hargreaves ◽  
Nils Spang ◽  
...  

We report the synthesis and crystal structure of the first quinolino[7,8-h]quinoline beryllium(II) complex of the general formula [BeL2(MeCN)Br]Br·MeCN, containing the ligand 4,9-dihydroxyquinolino[7,8-h]quinoline (L2). The Be(II) cation is a great size...

Author(s):  
Nicolas Massoni ◽  
Mícheál P. Moloney ◽  
Agnès Grandjean ◽  
Scott T. Misture ◽  
Hans-Conrad zur Loye

Ferrocyanides with general formula A I xB II y [Fe(CN)6], where A and B are cations, are thought to accept many substitutions on the A and B positions. In this communication, the synthesis and crystal structure of Cs2Sr[Fe(CN)6] are reported. The latter was obtained from K2Ba[Fe(CN)6] particles, put in contact with caesium and strontium ions. Hence, a simultaneous ion-exchange mechanism (Cs for K, Sr for Ba) occurs to yield Cs2Sr[Fe(CN)6]. The synthesis protocol shows that K2BaFe(CN)6 particles can be used for the simultaneous trapping of radioactive caesium and strontium nuclides in water streams. Cs2Sr[Fe(CN)6] adopts the cryolite structure type and is isotypic with the known compound Cs2Na[Mn(CN)6] [dicaesium sodium hexacyanidomanganate(III)]. The octahedrally coordinated Sr and Fe sites both are located on inversion centres, and the eightfold-coordinated Cs site on a general position.


2016 ◽  
Vol 72 (12) ◽  
pp. 1806-1808 ◽  
Author(s):  
Semeh Jebli ◽  
Abdessalem Badri ◽  
Mongi Ben Amara

A new iron phosphate, disodium calcium manganese(II) iron(III) tris(phosphate), Na2CaMnFe(PO4)3, has been synthesized as single crystals by the flux technique. This compound crystallizes in the monoclinic space groupC2/c. The structure belongs to the alluaudite structural type and thus, it obeys theX(2)X(1)M(1)M(2)2(PO4)3general formula. Both theX(2) andX(1) sites are fully occupied by sodium, whileM(1) is occupied by calcium andM(2) exhibits a statistical distribution of iron and manganese.


2002 ◽  
Vol 2002 (3) ◽  
pp. 120-121
Author(s):  
Tian Fu Liu ◽  
Hua Kuan Lin ◽  
Shou Rong Zhu ◽  
Zhong Ming Wang ◽  
Hong Gen Wang ◽  
...  

2002 ◽  
Vol 2002 (3) ◽  
pp. 107-109 ◽  
Author(s):  
Guang Liu ◽  
Jian Liu ◽  
Shi-Wei Zhang

1992 ◽  
Author(s):  
W. T. Harrison ◽  
G. D. Stucky ◽  
R. E. Morris ◽  
A. K. Cheetham

2019 ◽  
Vol 74 (4) ◽  
pp. 357-363
Author(s):  
Daniela Vitzthum ◽  
Hubert Huppertz

AbstractThe mixed cation triel borate Ga4In4B15O33(OH)3 was synthesized in a Walker-type multianvil apparatus at high-pressure/high-temperature conditions of 12.5 GPa and 1300°C. Although the product could not be reproduced in further experiments, its crystal structure could be reliably determined via single-crystal X-ray diffraction data. Ga4In4B15O33(OH)3 crystallizes in the tetragonal space group I41/a (origin choice 2) with the lattice parameters a = 11.382(2), c = 15.244(2) Å, and V = 1974.9(4) Å3. The structure of the quaternary triel borate consists of a complex network of BO4 tetrahedra, edge-sharing InO6 octahedra in dinuclear units, and very dense edge-sharing GaO6 octahedra in tetranuclear units.


2019 ◽  
Vol 35 (0) ◽  
pp. 27-29
Author(s):  
Reiko YAGUCHI ◽  
Hideki FURUTACHI ◽  
Sanae SHIROTSUKI ◽  
Xi ZHANG ◽  
Takanao ISHIKAWA ◽  
...  

Author(s):  
Mohammad Usman ◽  
Gyanendra B. Ayer ◽  
Mark D. Smith ◽  
Hans-Conrad zur Loye

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