relating to a symmetrical structure consisting of two pyramids
Examples of 'bipyramidal' in a sentence
bipyramidal
Pseudopentagonal bipyramidal structures have been proposed for these complexes.
R.C. Maurya, P. Bohre, S. Sahu, M.H. Martin, A.K. Sharma, P. Vishwakarma 2016, 'Oxoperoxomolybdenum(VI) complexes of catalytic and biomedical relevance: Synthesis,characterization, antibacterial activity and 3D-molecular modeling of some oxoperoxomolybdenum(VI)chelates in mixed (O,O) coordination environment involving maltol and β-diketoenolates',Arabian Journal of Chemistryhttp://www.sciencedirect.com/science/article/pii/S1878535211000815. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Fluid inclusion types in the bipyramidal quartz were monophasic, low-temperature type.
K.A. Kinnunen, E.J. Malisa 1990, 'Gem-quality chrysoprase from Haneti-Itiso area, Central Tanzania', Bulletin of the Geological Society of Finlandhttp://www.geologinenseura.fi/bulletin/Volume62/sgs_bt_062_2_pages_157_166.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The morphological analysis identified three different crystal inclusions: bipyramidal, spherical and cuboidal.
Janaina Zorzetti, Ana Paula Scaramal Ricietto, Fernanda Aparecida Pires Fazion, AnaMaria Meneguim, Pedro Manuel Oliveira Janeiro Neves, Gislayne Trindade Vilas-Bôas 2017, 'Isolation and characterization of Bacillus thuringiensis strains activeagainst Elasmopalpus lignosellus (Zeller, 1848) (Lepidoptera, Pyralidae)',Acta Scientiarum: Agronomyhttp://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32707. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The coordination environments of the sodium ions are distorted octahedral, distorted trigonal-bipyramidal and moncapped trigonal-prismatic.
Dong-Hua He, Ze-Bo Li, Qi Shuai, Lei Li, You-Ying Di 2010, 'Poly[μ2-aqua-diaqua(μ8-3-nitrobenzene-1,2-dicarboxylato)(μ6-3-nitrobenzene-1,2-dicarboxylato)tetrasodium]',Acta Crystallographica Section Ehttp://scripts.iucr.org/cgi-bin/paper?S1600536810044600. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Complexes 1 and 2 are monomeric with trigonal bipyramidal geometry.
ARUMUGAM MANOHAR, KUPPUKANNU RAMALINGAM, GABRIELE BOCELLI, ANDREA CANTONI 2010, 'Synthesis, spectral and single crystal X-ray structural studies on bis(2,2'-bipyridine)sulphidoM(II)(M = Cu or Zn) and diaqua 2,2'-bipyridine zinc(II)sulphate dihydrate', Journal of the Serbian Chemical Societyhttp://www.shd.org.rs/JSCS/Vol75/No8/07_4594_4033.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Four different morphologies of crystalline inclusions were observed, with bipyramidal and irregular crystal morphologies being the most prevalent.
César Rodríguez-Sánchez, Ana Sittenfeld, Daniel H Janzen, Ana M Espinoza 2006, 'Bacillus thuringiensis in caterpillars and associated materials collected from protectedtropical forests in northwestern Costa Rica', Revista de Biología Tropicalhttp://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442006000200004. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The analytical and spectral data suggest trigonal bipyramidal geometry around the silicon atom in the resulting complexes.
Har Lal Singh, Jangbhadur Singh, A. Mukherjee 2013, 'Synthesis, Spectral, and In Vitro Antibacterial Studies of Organosilicon(IV) Complexeswith Schiff Bases Derived from Amino Acids', Bioinorganic Chemistry and Applicationshttp://dx.doi.org/10.1155/2013/425832. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)