HyperChem Lite 2.0 is now available!

HyperChem Lite is an integrated and flexible molecular modeling product for researchers, educators, and students.  It is an easy-to-use yet powerful package with capabilities for visualizing, analyzing, and simulating molecules, and for communicating information about molecular structures.

FEATURE SUMMARY

Building molecules with HyperChem Lite is simple: you choose an element from a periodic table, and click and drag with the mouse to sketch a structure.

HyperChem Lite's model builder turns rough sketches straight into 3D structures. It can even handle highly coordinated metal complexes.

Rendering choices include sticks, balls and cylinders, and CPK spheres, with and without shading. Stereo viewing is available, and the orbitals and electron densities can be displayed as wire-mesh or shaded solid surfaces, or as contour plots.

Extensive selection and highlighting capabilities make it easy to focus on areas of interest in complex molecules.

Mouse control of stereochemistry, rotation around bonds, and "rubber banding" of bonds makes manipulation of structures easy.

COMPUTATIONAL METHODS

HyperChem Lite integrates molecular mechanics and semi-empirical quantum mechanics (molecular orbital) calculations into a single package.

Use the Extended Huckel method to calculate electronic properties and orbitals.

Use the MM+ force field for general purpose molecular modeling, including geometry optimization to find stable structures.

Build in structural restraints to your optimizations.

Use molecular dynamics playback facilities to analyze chemical reactions and the trajectories of colliding molecules.

Display orbital energy levels, and the orbitals themselves, as 2D contour plots or as 3D "solid" objects.

LINK TO OTHER WINDOWS PROGRAMS FOR IMAGE TRANSFER

HyperChem Lite supports the Windows clipboard, enabling it to work closely with other Windows programs. Copy images straight into word processors or graphic programs for your presentations.

SYSTEM REQUIREMENTS

Microsoft Windows 98, ME, NT 4, 2000 or XP

Intel Pentium II or later Processor

CD drive

32MB RAM minimum, 128MB recommended

20 MB of hard disk space

Microsoft or compatible mouse

VGA or better graphics

DIFFERENCES BETWEEN HYPERCHEM LITE AND HYPERCHEM

The Lite software has only the general molecular-mechanics method (MM+) and lacks the other three molecular mechanics force fields, which are specialized for biological macromolecules, in HyperChem. HyperChem Lite does quantum mechanics calculations only with the Extended Huckel method (which does only single-point calculations), but it has an extended parameter set to cover the entire periodic table except for the actinides and lanthanides. It will play back Molecular Dynamics snapshot files that are generated with HyperChem, though it will not generate those files itself; it cannot do its own dynamics calculations but it can calculate things like energies, temperatures, distances and angles from the snapshot files that it plays back

The Lite software cannot be operated by scripts or external software links as the regular version can; it does not allow DDE links and therefore will not work with ChemPlus. It is still easy with HyperChem Lite to save a picture as a bitmap or metafile to a file or to the Windows Clipboard, and to import such a picture to other Windows applications. It is possible to Cut and Paste chemical structures between HyperChem Lite and the Clipboard, so one can use the Clipboard to transfer structures between HyperChem and HyperChem Lite. The Lite software can read any .HIN file processed by a regular version of HyperChem, though it ignores any residue information that may be in such a file. HyperChem Lite reads only .HIN files, unlike the regular version which reads a variety of file formats. Other software (including, of course, the regular version of HyperChem) can be used to translate other file formats to .HIN files for HyperChem Lite to read.