Steric-Induced Layer Flection in Templated Vanadium Tellurites

A series of organically templated vanadium tellurites has been prepared under mild hydrothermal conditions. Single crystals were grown from mixtures of NaVO 3, Na 2 TeO 3, and either 1,4-diaminobutane, 1,6-diaminohexane, or N, N, N ′, N ′-tetramethylethylenediamine in H 2 O. Each compound contains similar [V 2 Te 2 O 10 ] n 2 n – layers. The layer metrics of [1,4-diaminobutaneH 2 ][V 2 Te 2 O 10 ], [1,6-diaminohexaneH 2 ][V 2 Te 2 O 10 ], [ N, N, N ′, N ′-tetramethylethylenediamineH 2 ][V 2 Te 2 O 10 ], and [piperazineH 2 ][V 2 Te 2 O 10 ] reflect the steric bulk of the respective amines. Topotactic conversions between compounds through amine exchange are possible in reactions in which an increase in the strength of the amine–[V 2 Te 2 O 10 ] n 2 n – hydrogen-bonding network is observed.