Preferred Label : Bohr radius;
IUPAC definition : Atomic fundamental physical constant used as atomic unit of length: \[a_{0} \frac{4\
\pi \ \varepsilon_{0}\ \mathrm{\hslash } {2}}{m_{{e}}\ e {2}} 5.291 \ 772\ 49\ (24)\times
10 {-11}\ {m}\] where e is the elementary charge, ℏ is the Planck constant divided
by 2π and m e is the electron rest mass.;
Origin ID : B00693;
See also
Atomic fundamental physical constant used as atomic unit of length: \[a_{0} \frac{4\
\pi \ \varepsilon_{0}\ \mathrm{\hslash } {2}}{m_{{e}}\ e {2}} 5.291 \ 772\ 49\ (24)\times
10 {-11}\ {m}\] where e is the elementary charge, ℏ is the Planck constant divided
by 2π and m e is the electron rest mass.
