Merge pull request #24 from coltonbh/feature-elements-v2

.pre-commit-config.yaml

@@ -38,6 +38,7 @@ repos:
     rev: v1.16.10
     hooks:
       - id: typos
+        exclude: constants\.py$
   - repo: local
     hooks:
       - id: tests

CHANGELOG.md

@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [unreleased]
 
+### Added
+
+- `constants.ELEMENTS` mapping of atomic numbers to element symbols.
+
 ## [0.8.1] - 2024-03-29
 
 ### Added

qcio/constants.py

@@ -1,2 +1,123 @@
 # https://physics.nist.gov/cgi-bin/cuu/Value?bohrrada0
 BOHR_TO_ANGSTROM = 0.529177210903
+
+ELEMENTS = {
+    "H": 1,
+    "He": 2,
+    "Li": 3,
+    "Be": 4,
+    "B": 5,
+    "C": 6,
+    "N": 7,
+    "O": 8,
+    "F": 9,
+    "Ne": 10,
+    "Na": 11,
+    "Mg": 12,
+    "Al": 13,
+    "Si": 14,
+    "P": 15,
+    "S": 16,
+    "Cl": 17,
+    "Ar": 18,
+    "K": 19,
+    "Ca": 20,
+    "Sc": 21,
+    "Ti": 22,
+    "V": 23,
+    "Cr": 24,
+    "Mn": 25,
+    "Fe": 26,
+    "Co": 27,
+    "Ni": 28,
+    "Cu": 29,
+    "Zn": 30,
+    "Ga": 31,
+    "Ge": 32,
+    "As": 33,
+    "Se": 34,
+    "Br": 35,
+    "Kr": 36,
+    "Rb": 37,
+    "Sr": 38,
+    "Y": 39,
+    "Zr": 40,
+    "Nb": 41,
+    "Mo": 42,
+    "Tc": 43,
+    "Ru": 44,
+    "Rh": 45,
+    "Pd": 46,
+    "Ag": 47,
+    "Cd": 48,
+    "In": 49,
+    "Sn": 50,
+    "Sb": 51,
+    "Te": 52,
+    "I": 53,
+    "Xe": 54,
+    "Cs": 55,
+    "Ba": 56,
+    "La": 57,
+    "Ce": 58,
+    "Pr": 59,
+    "Nd": 60,
+    "Pm": 61,
+    "Sm": 62,
+    "Eu": 63,
+    "Gd": 64,
+    "Tb": 65,
+    "Dy": 66,
+    "Ho": 67,
+    "Er": 68,
+    "Tm": 69,
+    "Yb": 70,
+    "Lu": 71,
+    "Hf": 72,
+    "Ta": 73,
+    "W": 74,
+    "Re": 75,
+    "Os": 76,
+    "Ir": 77,
+    "Pt": 78,
+    "Au": 79,
+    "Hg": 80,
+    "Tl": 81,
+    "Pb": 82,
+    "Bi": 83,
+    "Po": 84,
+    "At": 85,
+    "Rn": 86,
+    "Fr": 87,
+    "Ra": 88,
+    "Ac": 89,
+    "Th": 90,
+    "Pa": 91,
+    "U": 92,
+    "Np": 93,
+    "Pu": 94,
+    "Am": 95,
+    "Cm": 96,
+    "Bk": 97,
+    "Cf": 98,
+    "Es": 99,
+    "Fm": 100,
+    "Md": 101,
+    "No": 102,
+    "Lr": 103,
+    "Rf": 104,
+    "Db": 105,
+    "Sg": 106,
+    "Bh": 107,
+    "Hs": 108,
+    "Mt": 109,
+    "Ds": 110,
+    "Rg": 111,
+    "Cn": 112,
+    "Nh": 113,
+    "Fl": 114,
+    "Mc": 115,
+    "Lv": 116,
+    "Ts": 117,
+    "Og": 118,
+}