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Cyclams with varied degree of protonation in the assemblies with cyano complexes of Mo and W
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Cyclams with varied degree of protonation in the assemblies with cyano complexes of Mo and W
Bibliographic description
| title: | Cyclams with varied degree of protonation in the assemblies with cyano complexes of Mo and W |
| author: | Nowicka Beata  , Nitek Wojciech , Sieklucka Barbara , Reczyński Mateusz
|
| journal title: | Polyhedron |
| volume: | 47 |
| issue: | 1 |
| date of publication : | 2012 |
| pages: | 73-78 |
| ISSN: |
0277-5387 |
| eISSN: |
1873-3719 |
| DOI: | |
| language: | English |
| journal language: | English |
| abstract in English: | Five ionic assemblies of octacoordinated cyano complexes of molybdenum and tungsten with protonated cyclam (1,4,8,11-tetraazacyclotetradecane) and tmc (1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetra- decane) have been obtained: (cyclamH 4 )[Mo IV (CN) 8 ] 1.5H 2 O( 1 ), (cyclamH 2 )(cyclamH 4 )[W V (CN) 8 ] 2 4H 2 O ( 2 ), (cyclamH 4 )[W V (CN) 8 ]Cl 4H 2 O( 3 ), (tmcH 4 )(tmcH 2 )[W V (CN) 8 ] 2 4H 2 O( 4 ) and (cyclamH 4 )[W IV (CN) 6 - (bpy)] 2 12H 2 O( 5 ) (bpy = 2,2 0 -bipyridine). The presence of 3d metal cations as a template led to partly protonated cyclams in 2 and 4 , where for the first time cyclam and tmc cations of different degree of pro- tonation are encountered within one structure. Compounds 2 , 3 and 5 crystallise in triclinic system space group P 1, while 4 crystallises in monoclinic system space group P 21/ c . Compound 1 shows the highest symmetry of the lattice: orthorombic system space group I 41/ a . Thermogravimetric analyses of 1 , 3 and 4 show the presence of stable anhydrous phase below 140° C. |
| keywords in English: | octacyanotungstate, cyclam, octacyanomolybdate, bipyridinehexacyanotungstate |
| departmental parameterization: | 30 |
| affiliation: | Wydział Chemii : Zakład Chemii Nieorganicznej, Wydział Chemii : Zakład Krystalochemii i Krystalofizyki |
| type: | journal article |
| subtype: | academic paper |
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Projekt „Repozytorium otwartego dostępu do dorobku naukowego i dydaktycznego UJ” współfinansowany w ramach poddziałania 2.3.1 „Cyfrowe udostępnianie zasobów nauki” Programu Operacyjnego Polska Cyfrowa z Europejskiego Funduszu Rozwoju Regionalnego i budżetu państwa na podstawie umowy o dofinansowanie nr POPC.02.03.01-00-0030/17-00
