% source: http://physics.nist.gov/cuu/Constants/Table/allascii.txt
cte.g = 9.80665 % standard acceleration of gravity
cte.G = 6.67408e-11 % Newtonian constant of gravitation
cte.N0 = 6.022140857e23 % Avogadro constant
cte.atm = 1.01325e5 % standard atmosphere
cte.R = 8.3144598 % molar gas constant
cte.k = 1.38064852e-23 % Boltzmann constant
cte.e0 = 1.6021766208e-19 % elementary charge
cte.me = 9.10938356e-31 % electron mass
cte.ep0 = 8.854187817e-12 % vacuum electric permittivity
cte.mi0 = 4.0e-7 * pi % vacuum magnetic permeability
cte.c = 2.99792458e8 % speed of light in vacuum
cte.h = 6.62607004e-34 % Planck constant

% Unit conversion factors
cte.cal = 4.1868 % calorie in Joules
cte.kWh = 3.6e6 % kWh in Joules
cte.BTU = 252.2 * 4.1868 % British Thermal Unit
cte.hp = 745.7 % Horse Power in Watts
cte.cv = 735.3 % Cavalo Vapor
cte.in = 2.54e-2 % Inch in meters

% Periodic table of elements
atom.H.Z = 1
atom.H.M = 1.007947
atom.He.Z = 2
atom.He.M = 4.0026022
atom.Li.Z = 3
atom.Li.M = 6.9412
atom.Be.Z = 4
atom.Be.M = 9.0121823
atom.B.Z = 5
atom.B.M = 10.8117
atom.C.Z = 6
atom.C.M = 12.01078
atom.N.Z = 7
atom.N.M = 14.00672
atom.O.Z = 8
atom.O.M = 15.99943
atom.F.Z = 9
atom.F.M = 18.99840325
atom.Ne.Z = 10
atom.Ne.M = 20.17976
atom.Na.Z = 11
atom.Na.M = 22.989769282
atom.Mg.Z = 12
atom.Mg.M = 24.30506
atom.Al.Z = 13
atom.Al.M = 26.98153868
atom.Si.Z = 14
atom.Si.M = 28.08553
atom.P.Z = 15
atom.P.M = 30.9737622
atom.S.Z = 16
atom.S.M = 32.0655
atom.Cl.Z = 17
atom.Cl.M = 35.4532
atom.Ar.Z = 18
atom.Ar.M = 39.9481
atom.K.Z = 19
atom.K.M = 39.09831
atom.Ca.Z = 20
atom.Ca.M = 40.0784
atom.Sc.Z = 21
atom.Sc.M = 44.9559126
atom.Ti.Z = 22
atom.Ti.M = 47.8671
atom.V.Z = 23
atom.V.M = 50.94151
atom.Cr.Z = 24
atom.Cr.M = 51.99616
atom.Mn.Z = 25
atom.Mn.M = 54.9380455
atom.Fe.Z = 26
atom.Fe.M = 55.8452
atom.Co.Z = 27
atom.Co.M = 58.9331955
atom.Ni.Z = 28
atom.Ni.M = 58.69342
atom.Cu.Z = 29
atom.Cu.M = 63.5463
atom.Zn.Z = 30
atom.Zn.M = 65.4094
atom.Ga.Z = 31
atom.Ga.M = 69.7231
atom.Ge.Z = 32
atom.Ge.M = 72.641
atom.As.Z = 33
atom.As.M = 74.921602
atom.Se.Z = 34
atom.Se.M = 78.963
atom.Br.Z = 35
atom.Br.M = 79.9041
atom.Kr.Z = 36
atom.Kr.M = 83.7982
atom.Rb.Z = 37
atom.Rb.M = 85.46783
atom.Sr.Z = 38
atom.Sr.M = 87.621
atom.Y.Z = 39
atom.Y.M = 88.905852
atom.Zr.Z = 40
atom.Zr.M = 91.2242
atom.Nb.Z = 41
atom.Nb.M = 92.906382
atom.Mo.Z = 42
atom.Mo.M = 95.942
atom.Tc.Z = 43
atom.Tc.M = 98
atom.Ru.Z = 44
atom.Ru.M = 101.072
atom.Rh.Z = 45
atom.Rh.M = 102.905502
atom.Pd.Z = 46
atom.Pd.M = 106.421
atom.Ag.Z = 47
atom.Ag.M = 107.86822
atom.Cd.Z = 48
atom.Cd.M = 112.4118
atom.In.Z = 49
atom.In.M = 114.8183
atom.Sn.Z = 50
atom.Sn.M = 118.7107
atom.Sb.Z = 51
atom.Sb.M = 121.7601
atom.Te.Z = 52
atom.Te.M = 128.603
atom.I.Z = 53
atom.I.M = 126.904473
atom.Xe.Z = 54
atom.Xe.M = 131.2936
atom.Cs.Z = 55
atom.Cs.M = 132.90545192
atom.Ba.Z = 56
atom.Ba.M = 137.3277
atom.La.Z = 57
atom.La.M = 138.905477
atom.Ce.Z = 58
atom.Ce.M = 140.1161
atom.Pr.Z = 59
atom.Pr.M = 140.907652
atom.Nd.Z = 60
atom.Nd.M = 144.2423
atom.Pm.Z = 61
atom.Pm.M = 145
atom.Sm.Z = 62
atom.Sm.M = 150.362
atom.Eu.Z = 63
atom.Eu.M = 151.9641
atom.Gd.Z = 64
atom.Gd.M = 157.253
atom.Tb.Z = 65
atom.Tb.M = 158.925352
atom.Dy.Z = 66
atom.Dy.M = 162.5001
atom.Ho.Z = 67
atom.Ho.M = 164.930322
atom.Er.Z = 68
atom.Er.M = 167.2593
atom.Tm.Z = 69
atom.Tm.M = 168.934212
atom.Yb.Z = 70
atom.Yb.M = 173.043
atom.Lu.Z = 71
atom.Lu.M = 174.9671
atom.Hf.Z = 72
atom.Hf.M = 178.492
atom.Ta.Z = 73
atom.Ta.M = 180.947882
atom.W.Z = 74
atom.W.M = 183.841
atom.Re.Z = 75
atom.Re.M = 186.2071
atom.Os.Z = 76
atom.Os.M = 190.233
atom.Ir.Z = 77
atom.Ir.M = 192.2173
atom.Pt.Z = 78
atom.Pt.M = 195.0849
atom.Au.Z = 79
atom.Au.M = 196.9665694
atom.Hg.Z = 80
atom.Hg.M = 200.592
atom.Tl.Z = 81
atom.Tl.M = 204.38332
atom.Pb.Z = 82
atom.Pb.M = 207.21
atom.Bi.Z = 83
atom.Bi.M = 208.980401
atom.Po.Z = 84
atom.Po.M = 210
atom.At.Z = 85
atom.At.M = 210
atom.Rn.Z = 86
atom.Rn.M = 220
atom.Fr.Z = 87
atom.Fr.M = 223
atom.Ra.Z = 88
atom.Ra.M = 226
atom.Ac.Z = 89
atom.Ac.M = 227
atom.Th.Z = 90
atom.Th.M = 232.038062
atom.Pa.Z = 91
atom.Pa.M = 231.035882
atom.U.Z = 92
atom.U.M = 238.028913
atom.Np.Z = 93
atom.Np.M = 237
atom.Pu.Z = 94
atom.Pu.M = 244
atom.Am.Z = 95
atom.Am.M = 243
atom.Cm.Z = 96
atom.Cm.M = 247
atom.Bk.Z = 97
atom.Bk.M = 247
atom.Cf.Z = 98
atom.Cf.M = 251
atom.Es.Z = 99
atom.Es.M = 252
atom.Fm.Z = 100
atom.Fm.M = 257
atom.Md.Z = 101
atom.Md.M = 258
atom.No.Z = 102
atom.No.M = 259
atom.Lr.Z = 103
atom.Lr.M = 262
atom.Rf.Z = 104
atom.Rf.M = 261
atom.Db.Z = 105
atom.Db.M = 262
atom.Sg.Z = 106
atom.Sg.M = 266
atom.Bh.Z = 107
atom.Bh.M = 264
atom.Hs.Z = 108
atom.Hs.M = 277
atom.Mt.Z = 109
atom.Mt.M = 268
atom.Ds.Z = 110
atom.Ds.M = 271
atom.Rg.Z = 111
atom.Rg.M = 272
atom.Cn.Z = 112
atom.Cn.M = 277
atom.Uut.Z = 113
atom.Uut.M = 284
atom.Fl.Z = 114
atom.Fl.M = 289
atom.Uup.Z = 115
atom.Uup.M = 288
atom.Lv.Z = 116
atom.Lv.M = 292
atom.Uus.Z = 117
atom.Uus.M = 288
atom.Uuo.Z = 118
atom.Uuo.M = 294
