2009
DOI: 10.1134/s0036023609020296
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Bismuth(III) complexing with some N- and N,N-substituted thioureas

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Cited by 6 publications
(6 citation statements)
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“…From Fig. 3, it follows that, as for the formation of bismuth thiourea complexes [4], the forma tion function of the studied system has a rather steep shape, as observed in the case of K n + 1 ≥ K n . The for mation function curve may be divided into two seg ments: (1) with a relatively smooth change up to n < 4 and (2) with a sharp ascent at n > 4.…”
Section: Resultsmentioning
confidence: 78%
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“…From Fig. 3, it follows that, as for the formation of bismuth thiourea complexes [4], the forma tion function of the studied system has a rather steep shape, as observed in the case of K n + 1 ≥ K n . The for mation function curve may be divided into two seg ments: (1) with a relatively smooth change up to n < 4 and (2) with a sharp ascent at n > 4.…”
Section: Resultsmentioning
confidence: 78%
“…Even without consideration for the protonation of mtu, its complexes with bismuth(III) have proven to be more stable than those with thiourea [4]. This may be associated with a lower mtu hydration energy owing to the additional hydrophobic substituent ( -CH 3 ).…”
Section: Bi Mtumentioning
confidence: 95%
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“…The Cl1-O distances in the inner-sphere Crystallographic data, details of data collection, and characteristics of data refinement of the structure of I [18] and N-methylthiourea (Mtu) [19], an unusual ratio of stepwise stability constants (K n ) was found: K n + 1 ≥ K n . [21].…”
Section: Resultsmentioning
confidence: 99%
“…Spectrophotometry was used in [1] to determine stability constants for Bi(III) monocoordinated complexes of the (BiL 3+ ) type with thiourea (Tu), N-phenylthiourea (Ptu), N-phenyl-N'-propylthiourea (Pptu), N,N'-diphenylthiourea (Вptu), N-allyl-N'-propylthiourea (Аptu), along with the protonation constants for these ligands in perchloric acid solutions at a sodium perchlorate (Na(H)ClO 4 ) ionic strength of 2 mol/L and 293 K. The stability of (BiL 3+ ) complexes was found to change in the ligand order Аptu > Tu > Pptu > Ptu > Вptu, which coincides with the order of change in their protonation. The protonation constants for Вptu, Ptu, and Pptu were less than those of Tu, due to the strong electronegative properties of the phenyl group.…”
Section: Introductionmentioning
confidence: 99%