bipyramidal


Also found in: Dictionary.

bipyramidal

adjective Consisting of 2 pyramids placed base to base; having a pyramid at each of the extremities.
References in periodicals archive ?
The monosubstituted and disubstituted transition states, 6 and 7 respectively (Figure 3 and Figure 4), had the ethynyl anion attacking the trigonal bipyramidal boron center in the axial position and the leaving group fluorine, coordinated with magnesium bromide, in the second axial position.
are obtained, which show different stereochemistries, varying from five-coordinate square pyramidal or trigonal bipyramidal to six coordination octahedral.
The electronic spectra of these complexes are very much similar to the trigonal bipyramidal Ni(II) complexes.
The X-ray diffraction study revealed that the complexes possess a trigonal bipyramidal geometry and crystallizes in the monoclinic crystal system, space group P21/c, with (1) a = 8.
Bipyramidal crystals were obtained from all three isolates.
Electron microscopy demonstrated characteristic electron-dense, bipyramidal structures (Figure 3).
Charcot-Leyden crystals are bipyramidal needlelike crystals that are usually found in association with eosinophils, most characteristically in the sputum of patients with allergic asthma, but also in tissue in other allergic and hematologic disorders.
Mas Subramanian on the New Pigment Chemistry Based on Metal Oxides with Trigonal Bipyramidal Coordination - advancements in a heat reflecting blue pigment.
Illuminating these bipyramidal nanoparticle systems with an ultra-fast laser pulse, set them vibrating mechanically at microwave frequencies.