Source code for tcutility.analysis.pyfrag

import tcutility
import os
import numpy as np
import matplotlib.pyplot as plt

[docs] def read(path): return PyFragResult(path)
[docs] class PyFragResult: def __init__(self, path): self.path = path self._frag_results = {} self._step_results = [] self._order = [] self._mask = [] self._properties = {} self._load() def _load(self): for frag_path, info in tcutility.pathfunc.match(self.path, 'frag_{frag}').items(): self._frag_results[info.frag] = tcutility.results.read(frag_path) for step_path, info in tcutility.pathfunc.match(self.path, 'Step.{step}', sort_by='step').items(): self._step_results.append({}) for dir_name in os.listdir(step_path): p = os.path.join(step_path, dir_name) res = tcutility.results.read(p) self._step_results[-1][dir_name] = res self._order.append(int(info.step.removeprefix('0'))) self._mask.append(True) self._mask = np.array(self._mask)
[docs] def get_property(self, key: str, calc: str = 'complex'): if key in self._properties: return self._properties[key][self._order][self._mask[self._order]] p = np.array([res[calc].properties.get_multi_key(key) for res in self._step_results]) return p[self._order][self._mask[self._order]]
@property def fragments(self): return list(self._frag_results.keys()) def __len__(self): return sum(self._mask)
[docs] def get_geometry(self, *args, **kwargs): calc = kwargs.pop('calc', 'complex') g = np.array([tcutility.geometry.parameter(res[calc].molecule.input, *args, **kwargs) for res in self._step_results]) return g[self._order][self._mask[self._order]]
[docs] def sort_by(self, val: str or list, calc: str = 'complex'): if isinstance(val, str): val = self.get_property(val, calc=calc) self._order = np.argsort(val)
[docs] def set_mask(self, mask: list): self._mask = mask
[docs] def set_coord(self, coord: list): self._coord = coord
[docs] def coord(self): return self._coord[self._order][self._mask[self._order]]
[docs] def set_property(self, name: str, vals): self._properties[name] = vals
@property def ts_idx(self): energies = self.total_energy() for i in range(len(self) - 2, 1, -1): if energies[i-1] < energies[i] and energies[i] < energies[i+1]: return i + 1
[docs] def total_energy(self): return self.interaction_energy() + self.strain_energy()
[docs] def interaction_energy(self): return self.get_property('energy.bond', 'complex')
[docs] def strain_energy(self, fragment: str = None): if fragment is None: t = 0 for frag in self.fragments: t += self.strain_energy(frag) return t return self.get_property('energy.bond', f'frag_{fragment}') - self._frag_results[fragment].properties.energy.bond
[docs] def overlap(self, orb1, orb2, calc: str = 'complex', absolute: bool = True): S = np.array([orb.sfos[orb1] @ orb.sfos[orb2] for orb in self.orbs(calc)]) if absolute: S = abs(S) return S[self._order][self._mask[self._order]]
[docs] def orbital_energy_gap(self, orb1, orb2, calc: str = 'complex'): dE = np.array([abs(orb.sfos[orb1].energy - orb.sfos[orb2].energy) for orb in self.orbs(calc)]) return dE[self._order][self._mask[self._order]]
[docs] def sfo_coefficient(self, sfo, mo, calc: str = 'complex'): C = np.array([orb.sfos[sfo].coefficient(orb.mos[mo]) for orb in self.orbs(calc)]) return C[self._order][self._mask[self._order]]
[docs] @tcutility.cache.cache def orbs(self, calc: str = 'complex'): try: import pyfmo except ModuleNotFoundError: raise ModuleNotFoundError('The pyfmo module could not be loaded. To gain access please contact the TCutility developers!') return [pyfmo.orbitals2.objects.Orbitals(res[calc].files['adf.rkf']) for res in self._step_results]
if __name__ == '__main__': res_C = read('/Users/yumanhordijk/PhD/Projects/RadicalAdditionASMEDA/data/DFT/TS_C_O/PyFrag_OLYP_TZ2P') res_X = read('/Users/yumanhordijk/PhD/Projects/RadicalAdditionASMEDA/data/DFT/TS_X_O/PyFrag_OLYP_TZ2P') res_C.set_coord(res_C.get_geometry(0, 1)) res_X.set_coord(res_X.get_geometry(1, 2)) res_C.sort_by(res_C.coord()) res_X.sort_by(res_X.coord()) plt.figure() plt.plot(res_C.coord(), res_C.overlap('Methyl(SOMO)_A', 'Substrate(LUMO)_A'), label='C-addition') plt.plot(res_X.coord(), res_X.overlap('Methyl(SOMO)_A', 'Substrate(LUMO)_A'), label='X-addition') plt.ylabel(r'$\langle SOMO | LUMO \rangle$') plt.legend() plt.xlim(3, 2.2) plt.figure() plt.plot(res_C.coord(), res_C.orbital_energy_gap('Methyl(SOMO)_A', 'Substrate(LUMO)_A'), label='C-addition') plt.plot(res_X.coord(), res_X.orbital_energy_gap('Methyl(SOMO)_A', 'Substrate(LUMO)_A'), label='X-addition') plt.ylabel(r'$|\epsilon_{SOMO} - \epsilon_{LUMO}|$') plt.legend() plt.xlim(3, 2.2) plt.figure() plt.plot(res_C.coord(), res_C.overlap('Methyl(LUMO)_B', 'Substrate(7A_B)_B'), label='C-addition') plt.plot(res_X.coord(), res_X.overlap('Methyl(LUMO)_B', 'Substrate(7A_B)_B'), label='X-addition') plt.ylabel(r'$\langle SUMO | HOMO \rangle$') plt.legend() plt.xlim(3, 2.2) plt.figure() plt.plot(res_C.coord(), res_C.orbital_energy_gap('Methyl(LUMO)_B', 'Substrate(7A_B)_B'), label='C-addition') plt.plot(res_X.coord(), res_X.orbital_energy_gap('Methyl(LUMO)_B', 'Substrate(7A_B)_B'), label='X-addition') plt.ylabel(r'$|\epsilon_{SUMO} - \epsilon_{HOMO}|$') plt.legend() plt.xlim(3, 2.2) plt.show()