Band positions and intensities for the far-infrared bands of ethyl methyl ether are variationally determined from a three-dimensional (3D) potential energy surface calculated with CCSD(T)/cc-pVTZ theory. For this purpose, the energies of 181 selected geometries computed optimizing 3n-9 parameters are fitted to a 3D Fourier series depending on three torsional coordinates. The zero point vibratio...

In the title compound, C(8)H(20)N(+)·C(20)H(15)O(4) (-), the benzoate anions are connected by multiple inter-molecular O-H⋯O hydrogen bonds, forming columns propagating along [1[Formula: see text]0]. The hydrogen bonding can be described by two rings with R(2) (2)(22) and R(4) (2)(28) motifs. In the crystal, the tetra-ethyl-ammonium cations are situated between these columns and are linked to t...

A novel pathway for the homocoupling reaction has been achieved using a similar protocol as the cross-coupling reaction. Ethyl bromoacetate is chosen to initiate the coupling reaction through oxidative addition to a Pd(0) species, and an PdBr(enolate) intermediate is formed. This intermediate can undergo double transmetalation with an alkynyl copper reagent, and reductive elimination produces a...

Two ethyl methanesulfonate-induced mutants of the alcohol-dehydrogenase gene in maize have been analyzed. The enzyme subunits produced by the mutants seem to be structurally altered in such a way that the subunit specified by the null allele Adh(1) (0(5657)) does not dimerize with "wild-type" subunits, and that specified by Adh(1) (S(296)) does so only to a limited extent.

The title chiral quaternary ammonium salt, C(13)H(25)N(4) (+)·I(-), was synthesized through the Menschutkin reaction between the cage aminal (2S,7S)-1,8,10,12-tetra-aza-tetra-cyclo-[8.3.1.1(8,12).0(2,7)]penta-decane and ethyl iodide. The quaternization occurred regioselectively on the nitrogen with major sp3 character. The crystal structure consists of anions and cations separated by normal dis...

The structure of the title compound, [Co(II)(C(2)H(8)N(2))(3)]SO(4), the cobalt example of [M(C(2)H(8)N(2))(3)]SO(4), is reported. The Co and S atoms are located at the 2d and 2c Wyckoff sites (point symmetry 32), respectively. The Co atom is coordinated by six N atoms of three chelating ethyl-enediamine mol-ecules generated from half of the ethyl-enediamine mol-ecule in the asymmetric unit. Th...

Erratum: “In Utero and Childhood Polybrominated Diphenyl Ether Exposures and Body Mass at Age 7 Years: The CHAMACOS Study” Ayca Erkin-Cakmak, Kim G. Harley, Jonathan Chevrier, Asa Bradman, Katherine Kogut, Karen Huen, and Brenda Eskenazi Environ Health Perspect 123(6):636–642 (2015), http://dx.doi.org/10.1289/ehp.1408417 In Figure 1A, which represents the association between the difference in B...

We estimated the average dominance coefficient of mildly deleterious mutations (h, the proportion by which mutations in the heterozygous state reduce fitness components relative to those in the homozygous state) in the nematode Caenorhabditis elegans. From 56 worm lines that carry mutations induced by the point mutagen ethyl methanesulfonate (EMS), we selected 19 lines that are relatively high ...