module Chemistry.Element ( Element
, atomicNumber
, element
, elementBySymbol
, shellElectrons
, valanceElectrons
, covalentBounds ) where
data Element = Element { atomicNumber :: Int
, symbol :: String
, _name :: String
, _weight :: Double
}
| Unknown deriving (Eq, Show)
ptable :: [Element]
ptable = [ Element 1 "H" "Hydrogen" 1.008
, Element 2 "He" "Helium" 4.002602
, Element 3 "Li" "Lithium" 6.941
, Element 4 "Be" "Beryllium" 9.012182
, Element 5 "B" "Boron" 10.811
, Element 6 "C" "Carbon" 12.011
, Element 7 "N" "Nitrogen" 14.007
, Element 8 "O" "Oxygen" 15.999
, Element 9 "F" "Fluorine" 18.9984032
, Element 10 "Ne" "Neon" 20.1797
, Element 11 "Na" "Sodium" 22.989768
, Element 12 "Mg" "Magnesium" 24.305
, Element 13 "Al" "Alluminium" 26.981
, Element 14 "Si" "Silicon" 28.085
, Element 15 "P" "Phosphous" 30.973
, Element 16 "S" "Sulphur" 32.066
, Element 17 "Cl" "Chlorine" 35.4527
, Element 18 "Ar" "Argon" 39.948
, Element 19 "K" "Potassium" 39.0983
, Element 20 "Ca" "Calcium" 40.078
, Element 21 "Sc" "Scandium" 44.95591
, Element 22 "Ti" "Titanium" 47.88
, Element 23 "V" "Vanadium" 50.9415
, Element 24 "Cr" "Chromium" 51.9961
, Element 25 "Mn" "Manganese" 54.93805
, Element 26 "Fe" "Iron" 55.845
, Element 27 "Co" "Cobalt" 58.933
, Element 28 "Ni" "Nickel" 58.6934
, Element 29 "Cu" "Copper" 63.546
, Element 30 "Zn" "Zinc" 65.39
, Element 31 "Ga" "Gallium" 69.723
, Element 32 "Ge" "Germanium" 72.61
, Element 33 "As" "Arsenic" 74.92159
, Element 34 "Se" "Selenium" 78.96
, Element 35 "Br" "Bromine" 79.904
, Element 36 "Kr" "Krypton" 83.8
, Element 37 "Rb" "Rubidium" 85.4678
, Element 38 "Sr" "Strontium" 87.62
, Element 39 "Y" "Yttrium" 88.90585
, Element 40 "Zr" "Zirconium" 91.224
, Element 41 "Nb" "Niobium" 92.90638
, Element 42 "Mo" "Molybdenum" 95.94
, Element 43 "Tc" "Technetium" 98.9063
, Element 44 "Ru" "Ruthenium" 101.07
, Element 45 "Rh" "Rhodium" 102.9055
, Element 46 "Pd" "Palladium" 106.42
, Element 47 "Ag" "Silver" 107.8682
, Element 48 "Cd" "Cadmium" 112.411
, Element 49 "In" "Indium" 114.82
, Element 50 "Sn" "Tin" 118.71
, Element 51 "Sb" "Antimony" 121.75
, Element 52 "Te" "Tellurium" 127.6
, Element 53 "I" "Iodine" 126.90447
, Element 54 "Xe" "Xenon" 131.29
, Element 55 "Cs" "Caesium" 132.90543
, Element 56 "Ba" "Barium" 137.327
, Element 57 "La" "Lanthanum" 138.9055
, Element 58 "Ce" "Cerium" 140.115
, Element 59 "Pr" "Praseodymium" 140.90765
, Element 60 "Nd" "Neodymium" 144.24
, Element 61 "Pm" "Promethium" 146.9151
, Element 62 "Sm" "Samarium" 150.36
, Element 63 "Eu" "Europium" 151.965
, Element 64 "Gd" "Gadolinium" 157.25
, Element 65 "Tb" "Terbium" 158.92534
, Element 66 "Dy" "Dysprosium" 162.5
, Element 67 "Ho" "Holmium" 164.93032
, Element 68 "Er" "Erbium" 167.26
, Element 69 "Tm" "Thulium" 168.93421
, Element 70 "Yb" "Ytterbium" 173.04
, Element 71 "Lu" "Lutetium" 174.967
, Element 72 "Hf" "Hafnium" 178.49
, Element 73 "Ta" "Tantalum" 180.9479
, Element 74 "W" "Tungsten" 183.85
, Element 75 "Re" "Rhenium" 186.207
, Element 76 "Os" "Osmium" 190.2
, Element 77 "Ir" "Iridium" 192.22
, Element 78 "Pt" "Platinum" 195.08
, Element 79 "Au" "Gold" 196.96654
, Element 80 "Hg" "Mercury" 200.59
, Element 81 "Tl" "Thallium" 204.3833
, Element 82 "Pb" "Lead" 207.2
, Element 83 "Bi" "Bismuth" 208.98037
, Element 84 "Po" "Polonium" 208.9824
, Element 85 "At" "Astatine" 209.9871
, Element 86 "Rn" "Radon" 222.0176
, Element 87 "Fr" "Francium" 223.0197
, Element 88 "Ra" "Radium" 226.0254
, Element 89 "Ac" "Actinium" 227.0278
, Element 90 "Th" "Thorium" 232.0381
, Element 91 "Pa" "Protactinium" 231.0359
, Element 92 "U" "Uranium" 238.0289
, Element 93 "Np" "Neptunium" 237.0482
, Element 94 "Pu" "Plutonium" 244.0642
, Element 95 "Am" "Americium" 243.0614
, Element 96 "Cm" "Curium" 247.0703
, Element 97 "Bk" "Berkelium" 247.0703
, Element 98 "Cf" "Californium" 251.0796
, Element 99 "Es" "Einsteinium" 252.0829
, Element 100 "Fm" "Fermium" 257.0951
, Element 101 "Md" "Mendelevium" 258.0986
, Element 102 "No" "Nobelium" 259.1009
, Element 103 "Lr" "Lawrencium" 260.1053
, Element 104 "Rf" "Rutherfordium" 261.1087
, Element 105 "Db" "Dubnium" 262.1138
, Element 106 "Sg" "Seaborgium" 263.1182
, Element 107 "Bh" "Bohrium" 262.1229
, Element 108 "Hs" "Hassium" 265
, Element 109 "Mt" "Meitnerium" 266
, Element 110 "Ds" "Darmstadtium" 269
, Element 111 "Rg" "Roentgenium" 272
, Element 112 "Cn" "Copernicium" 285
, Element 113 "Uut" "Ununtrium" 284
, Element 114 "Uug" "Ununquadium" 289
, Element 115 "Uup" "Ununpentium" 288
, Element 116 "Uuh" "Ununhexium" 293
, Element 117 "Uus" "Ununseptium" 294
, Element 118 "Uuo" "Ununoctium" 294 ]
element :: Int -> Element
element n = f n ptable
where f :: Int -> [Element] -> Element
f _ [] = Unknown
f x (e:es) | atomicNumber e == x = e
| otherwise = f x es
elementBySymbol :: String -> Element
elementBySymbol ns = f ns ptable
where f :: String -> [Element] -> Element
f _ [] = Unknown
f xs (e:es) | symbol e == xs = e
| otherwise = f xs es
shellElectrons :: Element -> [Int]
shellElectrons e = filter (> 0) $ f (fillShells (atomicNumber e))
where f :: [(Int, Int, Int)] -> [Int]
f ss = [sum (g n ss) | n <- [1..m]]
where m = (length ss + 1) `div` 2
g l = map (\(a,_,c) -> if a == l then c else 0)
valanceElectrons :: Element -> Int
valanceElectrons e = last (shellElectrons e)
covalentBounds :: Element -> Int
covalentBounds e = min n (8n)
where n = valanceElectrons e
subshellMaxElectrons :: [Int]
subshellMaxElectrons = [2, 6, 10, 14, 18]
shellConfigGen :: Int -> [(Int, Int)]
shellConfigGen n = [(i,mi) | m <- [2..n+n], i <- [((m+1) `div` 2)..m1] ]
fillShells :: Int -> [( Int
, Int
, Int
)]
fillShells = f (shellConfigGen 5)
where f :: [(Int, Int)] -> Int -> [(Int, Int, Int)]
f [] _ = []
f ((i,j):xs) m | m == 0 = []
| m < l = [(i, j, m)]
| otherwise = (i, j, l) : f xs (m l)
where l = subshellMaxElectrons !! (j1)