Universal Model for Atoms MLIP · Atomic Simulation Environment

Accelerate Molecular & Materials
Simulations with AI

at machine-learning speed, with full reproducibility.

Load/Edit & Fetch:

XYZ · CIF · MOL · SMILES · ioChem-BD
PubChem · PDBe · Materials

From small molecules to proteins, nano-structures, surfaces, materials, interfaces ...

3D structures easy

Accelerate ×1000

DFT-quality results using MLIPs
Manage jobs · Analyze results

Fast inference, geometry optimization, TS search, thermochemistry and MD simulations.

AI-Powered Engine

Reproduce & Share

Create the python code for your task
Share and Publish to ioChem-BD

Full output files with portable scripts and ready-to-share bundles.

Open Science

Atomic System Details

No structure loaded.

Charge

Multiplicity

Atoms

—

Formula

—

IUPAC name: —

2D structure will appear here.

Load geometry file

Load .use input file

Create from SMILES

Fetch from

↗

Viewer loading...

Selected atoms: None

Edit

Selected Atom None Chemical Element — will be replaced by

Chemical Element —

Selected Atom None will be Deleted

Generate conformers

Single Job Multi Jobs Molecular Dynamics

Input Details

System

Selected input file No file selected

Job Name

Charge

Spin Multiplicity

Method

UMA Checkpoint

UMA Task

Run Parameters

Run Type

Single Point GeoOpt Frequencies Transition State

Optimizer

Force (eV/Å)

Max GeoOpt Iter

Vibrational Analysis Settings

Temperature (K)

Pressure (atm)

Periodic Boundary Conditions

Use PBC

Cell a (Å)

Cell b (Å)

Cell c (Å)

Alpha (deg)

Beta (deg)

Gamma (deg)

TS Search Settings

Mode displacement (Å)

Dimer separation (Å)

Trial translation (Å)

Max translation (Å)

Max rotations

Results

Select an input file and run a job to see results here.

Input Details

System

Input folder

No folder selected

Select a folder of .xyz files to run them sequentially.

Charge

Used when charge is not encoded in the XYZ comment.

Spin Multiplicity

Fallback spin value for files without metadata.

Method

UMA Checkpoint

UMA Task

Run Parameters

Run Type

Single Point GeoOpt Frequencies Transition State

Optimizer

Force (eV/Å)

Max GeoOpt Iter

Vibrational Analysis Settings

Temperature (K)

Pressure (atm)

TS Search Settings

Mode displacement (Å)

Dimer separation (Å)

Trial translation (Å)

Max translation (Å)

Max rotations

Results

Input Details

System

Selected input file No file selected

Job Name

Charge

Spin Multiplicity

Method

UMA Checkpoint

UMA Task

Dynamics Parameters

Dynamics Engine

Steps

Timestep (fs)

Trajectory Interval (steps)

Log Interval (steps)

Target Temperature (K)

Friction (1/fs)

Thermostat Relaxation (fs)

Target Pressure (bar)

Compressibility (1/bar)

Barostat Relaxation (fs)

Periodic Boundary Conditions

Apply periodic boundary conditions

Cell a (Å)

Cell b (Å)

Cell c (Å)

Alpha (°)

Beta (°)

Gamma (°)

Nose-Hoover Parameters

Thermostat Damping (fs)

Chain Length

Thermostat Sub-steps

Bussi Time Constant (fs)

Andersen Collision Probability

MTK Parameters

Thermostat Damping (fs)

Barostat Damping (fs)

Thermostat Chain Length

Barostat Chain Length

Thermostat Sub-steps

Barostat Sub-steps

BAOAB Thermostat Tau (fs)

BAOAB Barostat Options

Barostat Tau (fs)

Cell Mass (ASE units)

Mass Factor

Hydrostatic cell (preserve shape)

Melchionna Controls

Thermostat Time (fs)

Barostat Time (fs)

Bulk Modulus (GPa)

Mask (comma separated, e.g. 1,1,1)

MD Output

Upload a structure and configure molecular dynamics options to begin.

Analyze

Temporarily unavailable RMSD Report Reads uma-ase .log files (Formula, RMSD, model, optimizer) and generates a bar plot with a formula table.

Select a folder

Pick a folder containing uma-ase log files.

No folder selected.

Temporarily unavailable XYZ Pair Analysis Matches *.xyz files with their *geoopt-OPT* counterparts in a folder and runs a detailed geometry analysis.

Select a folder

Pick a folder containing XYZ files and geoopt outputs.

No folder selected.

Simple Geometry Analysis Calculates atom-pair distance distributions for uploaded structures.

Select file

Pick a geometry file (.xyz, .mol, .pdb, .cif, ...).

No file selected.

Include distance matrix in report

Simple Geometry Analysis

Calculates atom-pair distance distributions for uploaded structures.

Format

Open a Downloaded Job

Load UMA .use file

Load uma-ase log (.log)

Open a Trajectory file

Load trajectory / XYZ

No trajectory loaded.

Vibrational Modes

Modes archive (.zip)

No archive selected.

Reference log (.log)

No log selected.

Select the matching -FREQS-modes.zip bundle and its log file to enable normal-mode playback.

30 fps

Viewer mode: idle.

3D viewer idle. Load a trajectory to begin.

Frame: No frames loaded.

	Status	Name	User_Id	Type	Submitted	Started	Finished	Elapsed	Retention	Actions
No jobs submitted yet.

User Data

Account details will appear here.

Session Limits

Tier limits will appear here.

Job Limits

Edit the runtime access and queue configuration JSON, then save or reload it.

Queue snapshot will appear here.

Runtime configuration JSON

Notifications

Configure SMTP delivery and listener e-mails for policy and password-reset requests.

Notification summary will appear here.

Notification configuration JSON

Login in your ioChem-BD

This operation will generate a key for ioChem-BD/Create operations (expires after 24 hours).

Your ioChem-BD is at:

Paste a host (iochem-bd.iciq.es) or a full /create/rest URL.

Username

normally an email address

Password

Forgot your passwd

Key/JWT token

Keep the key and paste it here to continue operations in case of interruption

Navigate and Import Data

Root path

No shared projects loaded.

No tree loaded yet.

Upload Results

Destination path

Calculation type is fixed to UMA.

Calculation name

Description/Keywords

Upload messages will appear here.

Reference

README documentation

Rendered directly from the repository README, with local links kept inside the app.

The project documentation will appear here after it loads.

uma-ase

Accelerate Molecular & Materials
Simulations with AI

XYZ · CIF · MOL · SMILES · ioChem-BD
PubChem · PDBe · Materials

DFT-quality results using MLIPs
Manage jobs · Analyze results

Create the python code for your task
Share and Publish to ioChem-BD

Edit

Input Details

Results

Input Details

Results

Input Details

MD Output

Analyze

Simple Geometry Analysis

Pair Distance Histogram

Pair Distance Statistics

Energy vs Time Step

Login in your ioChem-BD

Navigate and Import Data

Upload Results

README documentation

Accelerate Molecular & MaterialsSimulations with AI

XYZ · CIF · MOL · SMILES · ioChem-BD PubChem · PDBe · Materials

DFT-quality results using MLIPsManage jobs · Analyze results

Create the python code for your taskShare and Publish to ioChem-BD

Edit

Input Details

Results

Input Details

Results

Input Details

MD Output

Analyze

Simple Geometry Analysis

Pair Distance Histogram

Pair Distance Statistics

Energy vs Time Step

Login in your ioChem-BD

Navigate and Import Data

Upload Results

README documentation

Accelerate Molecular & Materials
Simulations with AI

XYZ · CIF · MOL · SMILES · ioChem-BD
PubChem · PDBe · Materials

DFT-quality results using MLIPs
Manage jobs · Analyze results

Create the python code for your task
Share and Publish to ioChem-BD