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Photoinduced and dark complexation of unsaturated viologen analogues containing two ammonium tails with cucurbit[8]uril. (2006)
Journal Article
Kuz'mina, L., Vedernikov, A., Lobova, N., Howard, J., Strelenko, Y., Fedin, V., …Gromov, S. (2006). Photoinduced and dark complexation of unsaturated viologen analogues containing two ammonium tails with cucurbit[8]uril. New Journal of Chemistry, 30(3), 458-466. https://doi.org/10.1039/b511456j

Complex formation between cucurbit[8]uril (CB[8]) and unsaturated viologen analogues 1a,b bearing two ammoniopropyl substituents was studied using 1H NMR spectroscopy and X-ray diffraction. The complex stability constants were measured by 1H NMR titr... Read More about Photoinduced and dark complexation of unsaturated viologen analogues containing two ammonium tails with cucurbit[8]uril..

The synthesis, structure, and electrochemical properties of Fe(C≡CC≡N)(dppe)Cp and related compounds. (2006)
Journal Article
Smith, M., Cordiner, R., Albesa-Jove, D., Yufit, D., Hartl, F., Howard, J., & Low, P. (2006). The synthesis, structure, and electrochemical properties of Fe(C≡CC≡N)(dppe)Cp and related compounds. Canadian Journal of Chemistry, 84(2), 154-163. https://doi.org/10.1139/v05-238

The cyanoacetylide complex Fe(C≡CC≡N)(dppe)Cp (3) is readily obtained from sequential reaction of Fe(C≡CSiMe3)(dppe)Cp with methyllithium and phenyl cyanate. Complex 3 is a good metalloligand, and coordination to the metal fragments [RhCl(CO)2], [Ru(... Read More about The synthesis, structure, and electrochemical properties of Fe(C≡CC≡N)(dppe)Cp and related compounds..

Determination of the hydrogen absorption sites in Zn₄O(1,4-benzenedicarboxylate) by single crystal neutron diffraction (2006)
Journal Article
Spencer, E., Howard, J., McIntyre, G., Rowsell, J., & Yaghi, O. (2006). Determination of the hydrogen absorption sites in Zn₄O(1,4-benzenedicarboxylate) by single crystal neutron diffraction. Chemical Communications, 3, 278-280. https://doi.org/10.1039/b511941c

A variable temperature (5–300 K) single crystal Laue neutron diffraction study has been conducted, and the gas absorption sites within hydrogen-loaded Zn4O(1,4-benzenedicarboxylate) have been located.

Synthon evolution and unit cell evolution during crystallisation. A study of symmetry-independent molecules (Z′ > 1) in crystals of some hydroxy compounds. (2006)
Journal Article
Das, D., Banerjee, R., Mondal, R., Howard, J., Boese, R., & Desiraju, G. (2006). Synthon evolution and unit cell evolution during crystallisation. A study of symmetry-independent molecules (Z′ > 1) in crystals of some hydroxy compounds. Chemical Communications, 2006(5), 555-557. https://doi.org/10.1039/b514076e

A kinetically favoured crystal, with many molecules in the asymmetric unit, may be a fossil relic of the crystal nucleus of a more stable polymorph.

Titanium complexes of dialkanolamine ligands: Synthesis and structure (2006)
Journal Article
Zaitsev, K., Karlov, S., Selina, A., Oprunenko, Y., Churakov, A., Neumueller, B., …Zaitseva, G. (2006). Titanium complexes of dialkanolamine ligands: Synthesis and structure. European Journal of Inorganic Chemistry, 2006(10), 1987-1999. https://doi.org/10.1002/ejic.200501154

Synthesis of the title compounds, viz. [RN(CH2CH2O)(CHR1CR2R3O)]Ti(OiPr)2 (13–15) and [RN(CH2CH2O)(CHR1CR2R3O)]2Ti (18–28), by the reaction of one ortwo equivalents of the corresponding dialkanolamines RN(CH2CH2OH)(CHR1CR2R3OH) (1–12) with Ti(OiPr)4... Read More about Titanium complexes of dialkanolamine ligands: Synthesis and structure.

Self-assembled polymetallic square grids ([2 × 2] M4, [3 × 3] M9) and trigonal bipyramidal clusters (M5)—structural and magnetic properties. (2006)
Journal Article
Dawe, L., Abedin, T., Kelly, T., Thompson, L., Miller, D., Zhao, L., …Howard, J. (2006). Self-assembled polymetallic square grids ([2 × 2] M4, [3 × 3] M9) and trigonal bipyramidal clusters (M5)—structural and magnetic properties. Journal of materials chemistry, 16(26), 2645-2659. https://doi.org/10.1039/b602595a

New self-assembled grids and clusters are reported, with square [2 × 2] M4 (M = Mn(II)4, Cu(II)4), trigonal-bipyramidal Mn(II)5, and square [3 × 3] M9 (M = Mn(II), Cu(II)) examples. These are based on a series of ditopic and tritopic hydrazone ligand... Read More about Self-assembled polymetallic square grids ([2 × 2] M4, [3 × 3] M9) and trigonal bipyramidal clusters (M5)—structural and magnetic properties..

Chelating N-pyrrolylphosphino-N-arylaldimine ligands : synthesis, ligand behaviour and applications in catalysis. (2006)
Journal Article
Anderson, C., Batsanov, A., Dyer, P., Fawcett, J., & Howard, J. (2006). Chelating N-pyrrolylphosphino-N-arylaldimine ligands : synthesis, ligand behaviour and applications in catalysis. Dalton Transactions, 45, 5362-5378. https://doi.org/10.1039/b611652c

Two families of variously-substituted N-pyrrolylphosphino-N′-arylaldimine ligands, 2-(aryl–N[double bond, length as m-dash]CH)C4H3N–PR2 {3a–d R = Ph; 4a–d R = Pri2N}, have been prepared from the corresponding pyrrolylaldimines 2. The donor characteri... Read More about Chelating N-pyrrolylphosphino-N-arylaldimine ligands : synthesis, ligand behaviour and applications in catalysis..

Simultaneous anion and cation binding by a simple polymer-bound ureidopyridyl ligand. (2006)
Journal Article
Russell, J., Parker, A., Radosavljevie-Evans, I., Howard, J., & Steed, J. (2006). Simultaneous anion and cation binding by a simple polymer-bound ureidopyridyl ligand. Chemical Communications, 2006(3), 269-271. https://doi.org/10.1039/b513820e

A polymer-supported ligand capable of simultaneous anion and cation binding is reported along with X-ray crystallographic data showing potential binding modes.

Experimental charge-density study on the nickel(II) coordination complex Ni(H3L) NO3 PF6 H3L = N,N ',N ''-tris(2-hydroxy-3-methylbutyl)-1,4,7-triaza-cyclononane : a reappraisal (2006)
Journal Article
Farrugia, L., Frampton, C., Howard, J., Mallinson, P., Peacock, R., Smith, G., & Stewart, B. (2006). Experimental charge-density study on the nickel(II) coordination complex Ni(H3L) NO3 PF6 H3L = N,N ',N ''-tris(2-hydroxy-3-methylbutyl)-1,4,7-triaza-cyclononane : a reappraisal. Acta crystallographica. Section B, Structural science, 62, 236-244. https://doi.org/10.1107/s0108768106000802

N,N-diethyl-5-nitropyridin-2-amine. (2006)
Journal Article
Yufit, D., Turner, M., & Howard, J. (2006). N,N-diethyl-5-nitropyridin-2-amine. Acta crystallographica. Section E, 62(4), o1237-o1239. https://doi.org/10.1107/s160053680600729x

In the title compound, C9H13N3O2, the asymmetric unit contains two almost identical but crystallographically independent mol­ecules. The mol­ecules are linked together by pairs of weak C-H...O inter­actions into zigzag chains, which, in turn, form co... Read More about N,N-diethyl-5-nitropyridin-2-amine..