Some conventions#

The base units of MAICoS are consistent with those of MDAnalysis. Keeping inputs and outputs consistent with this set of units reduces ambiguity, so we encourage everyone to use them exclusively.

The base units are:

Base units in MDAnalysis#

quantity

unit

SI units

length

Å

\(10^{-10}\) m

mass

u

\(1.660538921 \times 10^{-27}\) kg

time

ps

\(10^{-12}\) s

energy

kJ/mol

\(1.66053892103219 \times 10^{-21}\) J

charge

\(e\)

\(1.602176565 \times 10^{-19}\) As

force

kJ/(mol·Å)

\(1.66053892103219 \times 10^{-11}\) J/m

speed

Å/ps

\(100\) m/s