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The first oxidation of a Cr(2)(4+) paddlewheel complex to an isostructural stable product.

Inorganic chemistry

Cotton FA, Daniels LM, Huang P, Murillo CA.
PMID: 11800620
Inorg Chem. 2002 Jan 28;41(2):317-20. doi: 10.1021/ic010925v.

The first cation containing a Cr(2) core surrounded by a paddlewheel arrangement of four bridging ligands has been prepared and characterized. The bridging ligands are the guanidinate anions [(PhN)(2)CN(CH(2))(4)](-). In the neutral Cr(2)(4+) compound the average Cr-Cr distance is...

The extraordinary ability of guanidinate derivatives to stabilize higher oxidation numbers in dimetal units by modification of redox potentials: structures of Mo(2)(5+) and Mo(2)(6+) compounds.

Journal of the American Chemical Society

Cotton FA, Daniels LM, Murillo CA, Timmons DJ, Wilkinson CC.
PMID: 12149031
J Am Chem Soc. 2002 Aug 07;124(31):9249-56. doi: 10.1021/ja0266464.

Full characterization of the first homologous series of dimolybdenum paddlewheel compounds having electronic configurations of the types sigma(2)pi(4)delta(x), x = 2, 1, 0, and Mo-Mo bond orders of 4, 3.5, and 3, respectively, has been accomplished with the guanidinate-type...

The radical anions and the electron affinities of perfluorinated benzene, naphthalene and anthracene.

Chemical communications (Cambridge, England)

Xie Y, Schaefer HF, Cotton FA.
PMID: 12610986
Chem Commun (Camb). 2003 Jan 07;(1):102-3. doi: 10.1039/b208831m.

Although benzene and naphthalene do not have electron affinities in the conventional sense, perfluorobenzene and perfluoronaphthalene have nonzero electron affinities. Theoretical methods extensively calibrated with experiment for the prediction of electron affinities (EAs) predict the EAs of perfluorobenzene, perfluoronaphthalene...

Tuning the metal-metal bonds in the linear tricobalt compound Co3(dpa)(4)Cl2: bond-stretch and spin-state isomers.

Inorganic chemistry

Clérac R, Cotton FA, Daniels LM, Dunbar KR, Murillo CA, Wang X.
PMID: 11300827
Inorg Chem. 2001 Mar 12;40(6):1256-64. doi: 10.1021/ic001068i.

Sixteen crystal structures have been determined for the Co3(dpa)(4)Cl2 (1) molecule in the following five crystalline solvates: 1.0.85(C2H5)(2)O.0.15CH2Cl2 (at 120, 213, 296 K); 1.C(4)H(8)O (at 120, 295 K); 1.C(6)H(6) (at 170, 213, 260, 316 K); 1.C(6)H(12) (at 120, 213,...

A mixed-valence compound with one unpaired electron delocalized over four molybdenum atoms in a cyclic tetranuclear ion.

Chemical communications (Cambridge, England)

Cotton FA, Liu CY, Murillo CA, Wang X.
PMID: 13678195
Chem Commun (Camb). 2003 Sep 07;(17):2190-1. doi: 10.1039/b306822f.

The first oxidation of a species derived from a compound having two linked, quadruply-bonded Mo2 units has been performed and [[cis-Mo2(DAniF)2]2(mu-Cl)4]PF6, 2, has been isolated and characterized in many ways; it has one unpaired electron and a fully delocalized...

Molecular and electronic structures by design: tuning symmetrical and unsymmetrical linear trichromium chains.

Journal of the American Chemical Society

Berry JF, Cotton FA, Lu T, Murillo CA, Roberts BK, Wang X.
PMID: 15174879
J Am Chem Soc. 2004 Jun 09;126(22):7082-96. doi: 10.1021/ja049055h.

The preparation, properties, and crystal structures of 12 trichromium extended metal atom chain (EMAC) compounds of the type Cr(3)(L)(4)X(2) (L = equatorial ligands dipyridylamide (dpa) or di-4,4'-ethyl-2,2'-pyridylamide (depa), and X = axial ligands, e.g., halide or pseudohalide ions) with...

Neutral dodecanuclear supramolecular complexes containing dimetal units linked by the trimesate anion.

Inorganic chemistry

Cotton FA, Lin C, Murillo CA.
PMID: 11720495
Inorg Chem. 2001 Dec 03;40(25):6413-7. doi: 10.1021/ic0104959.

Two compounds having six metal-metal bonded Mo(2)(4+) and Rh(2)(4+) units, the midpoints of which occupy the vertexes of an octahedron, are described here. Each of the M(2)(4+) units is also bridged by two mutually cis formamidinate groups of the...

Amniotic fluid glucose concentration: a marker for infection in preterm labor and preterm premature rupture of membranes.

Infectious diseases in obstetrics and gynecology

Dildy GA, Pearlman MD, Smith LG, Tortolero-Luna G, Faro S, Cotton DB.
PMID: 18475339
Infect Dis Obstet Gynecol. 1994;1(4):166-72. doi: 10.1155/S1064744994000025.

UNLABELLED: Amniotic fluid Gram stain and culture have been utilized as laboratory tests of microbial invasion of the amniotic cavity. The Gram stain of amniotic fluid has a low sensitivity in the detection of clinical infection or microbial invasion...

Structural and magnetic evidence concerning spin crossover in formamidinate compounds with ru2 5+ cores.

Journal of the American Chemical Society

Angaridis P, Cotton FA, Murillo CA, Villagrán D, Wang X.
PMID: 15810821
J Am Chem Soc. 2005 Apr 13;127(14):5008-9. doi: 10.1021/ja050828r.

The magnetic and structural properties of two Ru2(DArF)4Cl compounds, where DArF is the anion of a diaryl formamidine, are presented here. The compounds with Ar = p-anisyl and m-anisyl both show temperature dependence of chiT (chi = molar magnetic...

Strong electronic coupling between dimolybdenum units linked by the N,N'-dimethyloxamidate anion in a molecule having a heteronaphthalene-like structure.

Journal of the American Chemical Society

Cotton FA, Liu CY, Murillo CA, Villagrán D, Wang X.
PMID: 15535708
J Am Chem Soc. 2004 Nov 17;126(45):14822-31. doi: 10.1021/ja046775f.

Very strong electronic communication, manifested in a K(C) value of ca. 10(9), has been found in a system of three compounds separated by one electron oxidation where each compound contains two metal-metal bonded Mo(2)(n+) units linked by a dimethyloxamidate...

Letters to the editor.

Science (New York, N.Y.)

Cotton FA.
PMID: 17799676
Science. 1975 Mar 21;187(4181):1030-1. doi: 10.1126/science.187.4181.1030.

No abstract available.

High yield syntheses of stable, singly bonded Pd2(6+) compounds.

Journal of the American Chemical Society

Cotton FA, Koshevoy IO, Lahuerta P, Murillo CA, Sanaú M, Ubeda MA, Zhao Q.
PMID: 17044680
J Am Chem Soc. 2006 Oct 25;128(42):13674-5. doi: 10.1021/ja0656595.

A general method for the syntheses of dipalladium compounds having a singly bonded Pd26+ core and the formula R,S-cis-Pd2(C6H4PPh2)2(O2CR)2Cl2 is described. When the alkyl group in the carboxylate ligands is an electron donating group, the compounds are stable and...

Showing 13 to 24 of 215 entries