CrystMolPad displays crystal and molecular structures as atoms in various display styles, including ball and stick, space filling, and stick styles. Structures are represented as atoms and bonds in three-dimensions. Both isolated molecules and crystal structures are supported. CrystMolPad has a simple user interface designed for use at all levels of expertise, from secondary school students to research scientists. Educators should find CrystMolPad useful for introducing students to the three-dimensional structure of molecules and crystals. CrystMolPad will allow advanced students and scientists to study these fascinating structures in three-dimensional detail.

Users may rotate and resize displayed structures. Options are provided for studying hydrogen bonding, close contacts, bond distances, and bond angles. With crystal structures, users may add or delete symmetry-related atoms and molecules. Ribbon style is supported when displaying macromolecules. Snapshots of displayed structures are supported.

CrystMolPad is distributed with several read-only structure libraries--Simple Molecules, Common Minerals, Common Nucleosides, Common Sugars, Recent Crystal Structures, Simple Crystal Structures, Small Proteins and The Elements. The structures stored in these libraries are scientifically correct, with most sourced from the scientific literature. In addition to these read-only libraries, a user may create one or more personal read/write structure libraries. CrystMolPad provides for importing crystal structures from text files written using CIF (Crystallographic Information File), mmCIF, and CRYM formats. A text file may be copied to the iPad in several ways, including as an e-mail attachment.


MEL Chemistry visualizes molecules in 3D.

Uncover real structure of the things around you.

How does sugar look inside on molecule level? And what about salt?

MEL Chemistry will show you structures of these and dozens of other molecules including:
* Citric acid
* Ascorbic acid
* Sucrose
* Lactose
* Tin Chloride
* Sodium Carbonate
* Sodium Hydrosulfate
* Potassium Permanganate
* Calcium Hydroxide
* ...and many more

Named a Best Science App by Genetic Engineering News, Jan 2016

"The Molecule World app is a very nice molecule-viewing app that offers additional features not found in similar products."
–Genetic Engineering News

Created with funding from the National Science Foundation, and an Innovation Award from Shoreline Community College, Molecule World™ is the perfect tool for learning about molecules and their properties and the best tool for teachers who wish to use molecular and chemical modeling in class.

A user-friendly interface, gorgeous interactive molecules, and intuitive controls entice students and scientists to explore 3D chemicals, proteins, and DNA. Perfect for students, science lovers, and anyone who appreciates the science and art of molecular structures.

This easy to use app is appropriate for students of all ages, from middle school to graduate school and beyond.

Molecule World lets you:

– Interact with molecules to turn them around and change their size.

– Experiment with different drawing and coloring styles to discover chemical properties and sequence information.

– View the molecular sequences of protein, DNA, and RNA, and use the sequence to control the display.

– Identify different elements, investigate charge, residues, hydrophobicity, view secondary structure, individual chains, and position.

– Use rainbow coloring to visualize protein folding

– Capture images of structures for homework assignments or just for fun

– Select and highlight parts of a chain by the sequence or select residues by distance to identify binding sites

– investigate collections of molecules organized around a central theme, such as immunology or biofuels

Collections of molecules make it easier to design and carry out lessons with customized sets of chemicals and molecular structures.


Atomsmith Molecule Lab is an app that will improve your understanding of chemistry. Learning (and teaching) chemistry presents a unique challenge: it depends on the ability to "see" 3D shapes and interactions of molecules we can't actually see -- they are too small. Scientists use 3D simulation and visualization models, based on published science, to overcome this challenge. Atomsmith Molecule Lab makes these particle models accessible to everyone, enabling students of science to interact with molecules and to perform experiments at the atomic scale.

Because Atomsmith Molecule Lab's models are 3D, physically accurate, and interactive (NOT 2D animated cartoons or videos to be watched passively), you can use it to do real science, and by performing hands-on experiments yourself, you learn real science. It's the perfect tool to satisfy the Next Generation Science Standards' requirements for digital media, modeling and data interpretation, in conjunction with illustrating the structure and properties of matter.