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molcrafts-molrs

PyPI

Python bindings for the molrs molecular modeling toolkit.

Install with pip install molcrafts-molrs and import molrs. Full docs: https://docs.molcrafts.org/molrs/.

Install

pip install molcrafts-molrs

Requires Python 3.12+.

Quick start (0.12 surface)

import numpy as np
import molrs

# SMILES → atomistic graph (class API under molrs.io)
mol = molrs.io.SmilesIR("CCO").to_atomistic()

# 3D coordinates
from molrs.conformer import Conformer

mol = Conformer().generate(mol)

# Force field: typify → pairs → potentials (no typifier.build())
from molrs.ff import MMFF94Typifier, extract_coords, intramolecular_pairs

typed = MMFF94Typifier().typify(mol)
frame = typed.to_frame()
frame["pairs"] = intramolecular_pairs(frame)
pots = MMFF94Typifier().forcefield().to_potentials(frame)
coords = extract_coords(frame)
energy, forces = pots.calc_energy_forces(coords)
assert forces.shape == (frame["atoms"].nrows, 3)

Package layout

Import Owns
molrs (top level) Core: Frame, Block, Atomistic, Box, neighbors, …
molrs.io Readers/writers, SmilesIR
molrs.ff Force fields, typifiers, potentials
molrs.compute RDF, MSD, transport, dielectric, …
molrs.conformer 3D generation
molrs.perceive Rings / aromaticity builder

Users of analysis APIs: analysis time is fs (LAMMPS real). MSD needs unwrapped coordinates. VACF is the unbiased (C(\tau)) used for Green–Kubo D and VDOS.

Development

maturin develop --release
pytest -q

Metadata

Release files for molcrafts-molrs-nightly 0.14.0.dev202608281251

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molcrafts_molrs_nightly-0.14.0.dev202608281251-cp312-abi3-win_amd64.whl CPython 3.12 abi3 Windows x86-64 Details
molcrafts_molrs_nightly-0.14.0.dev202608281251-cp312-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl CPython 3.12 abi3 Linux glibc 2.17+ x86-64 Details
molcrafts_molrs_nightly-0.14.0.dev202608281251-cp312-abi3-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl CPython 3.12 abi3 macOS 11.0+ ARM64, macOS 10.12+ universal2 (ARM64, x86-64), macOS 10.12+ x86-64 Details

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