d.periodic | R Documentation |
This data.frame contains the most important properties of the periodic table of the elements.
data(d.periodic)
A data frame with 110 observations on the following 24 variables.
symbol
symbol of an element.
nr
atomic number of an atomic symbol.
name
name of an element.
group
group of an element. Possible results are: Alkali Earth, Alkali Met., Halogen, Metal, Noble Gas, Non-Metal, Rare Earth and Trans. Met.
weight
atomic weight of an element. The values are based upon carbon-12. () indicates the most stable or best known isotope.
meltpt
melting point of an element in [K].
boilpt
boiling point of an element in Kelvin [K].
dens
density of an element in [g/cm3] at 300K and 1 atm.
elconf
electron configuration of an element.
oxstat
oxidation states of an element. The most stable is indicated by a "!".
struct
crystal structure of an element. Possible results are: Cubic, Cubic body centered, Cubic face centered, Hexagonal, Monoclinic, Orthorhombic, Rhombohedral, Tetragonal
covrad
covalent radius of an element in Angstroem [A].
arad
atomic radius of an element in Angstroem.
avol
atomic volume of an element in [cm3/mol].
spheat
specific heat of an element in [J/(g K)].
eneg
electronegativity (Pauling's) of an element.
fusheat
heat of fusion of an element in [kJ/mol].
vapheat
heat of vaporization of an element in [kJ/mol].
elcond
electrical conductivity of an element in [1/(Ohm cm].
thermcond
thermal conductivity of an element in [W/(cm K)].
ionpot1
first ionization potential of an element in [V].
ionpot2
second ionization potential of an element in [V].
ionpot3
third ionization potential of an element in [V].
discyear
year of discovery of the element
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