Nyob rau hauv chemistry, qhov chaw sau qauv, tseem hu ua tus qauv calotte, yog ib hom peb-dimensional (3D) molecular qauv uas cov atoms sawv cev los ntawm spheres nws radii yog proportional to the radii of the atoms and its center-to-center distances are proportional to the distance between the atomic nuclei, all …
qhov chaw sau qauv siv rau dab tsi?
Cov qauv no yog tsim los ntawm kev kos txhua lub atom ua ib lub van der Waals sphere nrog lub atom lub nucleus ntawm qhov chaw ntawm tus kheej. Cov qauv chaw ntim khoom muaj txiaj ntsig vim lawv qhia ntau qhov chaw atom (lossis molecule) occupies.
Cov ntaub ntawv dab tsi yog qhov chaw sau cov qauv qhia txog lub molecule?
Space-filling qauv muab sawv cev ntawm qhov loj thiab cov duab ntawm tag nrho cov molecule, qhia (kwv yees) qhov chaw ntau npaum li cas txhua lub atom occupies.
Puas yog qhov chaw sau qauv yog?
Tus qhov chaw sau qauv yog qhov tseeb tshaj plaws. Qhov luaj li cas thiab txoj hauj lwm ntawm ib qho atom nyob rau hauv qhov chaw sau qauv yog txiav txim los ntawm nws cov khoom sib txuas thiab van der Waals vojvoog, los yog kev sib cuag deb (Tshooj 1.3. 1).
Dab tsi yog qhov txawv ntawm qhov chaw ntim qauv thiab lub pob thiab tus qauv?
Ib tus qauv pob-thiab-loj qhia cov qauv geometric ntawm cov atoms nrog qhov loj me ntawm atomic tsis ntsuas, thiab tus qauv sau qhov chaw qhia qhov txheeb ze ntawm cov atoms.
