pentas/dental caries

The title complex, [Os(C(6)F(5)S)(3)Cl(C(18)H(12)F(3)P)], displays a trigonal-bipyramidal Os(IV) coordination geometry with the S atoms of three thiol-ate ligands occupying the equatorial positions. The thiol-ate penta-fluoro-phenyl substituents are all placed above the equatorial plane, forming a

The title compound, [Mn(C₃H₇NO)₄(H₂O)₂][Cu₅(C₇H₄NO₃)₄]·C₃H₇NO or cis-[Mn(H₂O)₂(DMF)₄]{Cu[12-MC_Cu(II)N(shi)-4]}·DMF,

The title compound, C62H76O5, known to be one of the most versatile synthetic precursors/inter-mediates of calix[5]arene derivatives, adopts an approximate Cs -symmetric cone-in conformation. The aryl-oxybenzyl ring is tilted in such a way that the p-tert-butyl group fills the macrocycle cavity,

The title compound, C(40)H(40)O(9), is a product of the double crotonic condensation of bis-(2-acetyl-phen-oxy)-3-oxapentane with bis-(2-formyl-phen-oxy)-3,6-dioxaoctane. The title macromolecule includes the 31-crown-7-ether skeletal unit and adopts a saddle-like conformation. The two ethyl-ene

The asymmetric unit of the title compound, {[CaPd{CH3OHC(PO3)2}(H2O)5]·5/3H2O} n , consists of one half of the complex [Pd{CH3OHC(PO3)2}](2-) anion (point group symmetry m..), one Ca(2+) cation [site symmetry (.2.)] that is surrounded by three water mol-ecules (one of which is on the same rotation

In the crystal structure of the title compound, C(33)H(39)N(3)O(10)·C(3)H(6)O, the acetone mol-ecule is encapsulated into the cavity of the cryptand and fixed by two N-H⋯O and one C-H⋯O hydrogen bond. C-H⋯O and C-H⋯N inter-actions link neighbouring cryptands. The dihedral angles between the pyridine

The title compound, (C(8)H(20)N)(2)[Cu(5)(C(7)H(4)NO(3))(4)(C(3)H(7)NO)(2)], abbreviated as (TEA)(2)[Cu(II)(12-MC(Cu(II) ) (N(shi))-4](DMF)(2) [where TEA is tetra-ethyl-ammonium, shi(3-) is salicyl-hydroximate (or N,2-dioxidobenzene-1-carboximidate) and DMF is N,N-dimethyl-formamide], contains five

The title compound [Mn(6)(C(7)H(4)NO(3))(5)(CH(3)CO(2))(2)(C(5)H(8)N(2))(4)(C(3)H(7)NO)(2)]·(C(2)H(5))(2)O·C(3)H(7)NO·CH(3)OH·0.12H(2)O, abbreviated as Mn(II)(OAc)(2)[15-MC(MnIII(N)shi)-5](EtIm)4(DMF)2·diethyl ether·DMF·MeOH·0.12H(2)O (where (-)OAc is acetate, MC is metallacrown, shi(3-) is

The title compound, [Mn6(C7H4NO3)5(CHO2)2(C3H4N2)5(CH3OH)]·3.36CH3OH·0.65H2O, or Mn(II)(O2CH)2[15-MCMn(III)N(shi)-5](Im)5(MeOH)·3.36MeOH·0.65H2O (where MC is metallacrown, shi(3-) is salicyl-hydroximate, Im is imidazole and MeOH is methanol), contains five Mn(III) ions as members of the metallacrown

The title compound, [Ni(C₆₄H₃₃F₁₀N₅S₂)]·xCH₂Cl₂, consists of discrete Ni^II porphyrin complexes, in which the five-coordinate Ni^II cations are in a distorted square-pyramidal coordination

The crystal structure of the title compound, [Ni(C₆₃H₃₁F₁₀N₅S₂)]·xCH₂Cl₂ (x > 1/2), consists of Ni-porphyrin complexes that are located in general positions and di-chloro-methane solvent mol-ecules that are

The title compound, (C(7)H(11)N(2))(3)[Nd(2)Cl(4)(H(2)O)(10)]Cl(5)·2H(2)O, consists of three 4-(dimethyl-amino)-pyridinium cations, one of which is disordered about an inversion center, one [Nd(2)Cl(4)(H(2)O)(10)](2+) dication possessing inversion symmetry, five chloride anions, one of which is

The title compound [Mn6(C7H4NO3)5(C3H5O2)2(C4H6N2)4.17(C3H7NO)1.83]·0.24C3H7NO·1.36CH3OH or Mn(II)(C3H5O2)2[15-MCMn(III)N(shi)-5](Me-Im)4.17(DMF)1.83·0.24DMF·1.36MeOH (where MC is metallacrown, shi(3-) is salicyl-hydroximate, Me-Im is 1-methyl-imidazole, DMF is N,N-di-methyl-formamide, and MeOH is

The title compound, [Mn6(C7H4NO3)5(CH3CO2)2(C4H6N2)4.62(C3H7NO)1.38]·(C2H5)2O·C3H7NO·CH3OH·0.49H2O or Mn(II)(OAc)2[15-MCMn(III)N(shi)-5](Me-Im)4.62(DMF)1.38·diethyl ether·DMF·MeOH·0.49H2O (where MC is metallacrown, (-)OAc is acetate, shi(3-) is salicyl-hydroximate, Me-Im is 1-methyl-imidazole, DMF

Reaction of Co(NCS)2 or Ni(NCS)2 with pyridine-4-thio-amide in different solvents led to the formation of two compounds with composition [Co(NCS)2(C2H3N)(C6H6N2S)3]·2CH3CN (1) and [Ni(NCS)2(C6H6N2S)4]·5CH3OH (2), respectively. The asymmetric unit of compound 1 consists of one cobalt(II) cation, two