

A081800


Decimal expansion of atomic unit of velocity in SI units (meters/second).


6




OFFSET

7,1


COMMENTS

Original name: Decimal expansion of Bohr N1 velocity constant: V_n1 = 2.187691415844453*10^6 (m/sec).


LINKS

Table of n, a(n) for n=7..15.
NIST, CODATA Value: atomic unit of velocity


FORMULA

sqrt(H/m) where H = 4.359743...*10^18 J is one Hartree and m = A081801.  R. J. Mathar, Feb 06 2009
V_n1 = alpha * c = A003673 * A003678.  Omar E. Pol, Nov 07 2013


EXAMPLE

2187691.26... m/s = 2187.69126... km/s.  Omar E. Pol, Nov 07 2013


CROSSREFS

Cf. A003673, A003678, A081801, A229938.
Sequence in context: A049250 A060587 A168142 * A254180 A248052 A105672
Adjacent sequences: A081797 A081798 A081799 * A081801 A081802 A081803


KEYWORD

cons,nonn


AUTHOR

Benoit Cloitre, Apr 10 2003


EXTENSIONS

Offset corrected by R. J. Mathar, Feb 06 2009
Updated and new name by Omar E. Pol, Mar 11 2018


STATUS

approved



