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ChemOffice.Com - CambridgeSoft

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Administrator<br />

7. Leave the last line in the data file blank to<br />

indicate file termination.<br />

8. Save the file in a text only format.<br />

MOPAC Graph Files<br />

A MOPAC Graph (GPT) file stores the results of<br />

MOPAC calculations that include the GRAPH<br />

keyword. It contains the final geometry, electronic<br />

structure, and other properties of the molecule.<br />

Chem3D supports the MOPAC Graph file format<br />

for import only.<br />

Protein Data Bank Files<br />

Brookhaven Protein Data Bank files (PDB; ENT)<br />

are used to store protein data and are typically large<br />

in size. Chem3D can import both file types, and<br />

exports PDB. The PDB file format is taken from<br />

the Protein Data Bank Atomic Coordinate and<br />

Bibliographic Entry Format Description.<br />

ROSDAL Files (RDL)<br />

The ROSDAL Structure Language 1 (RDL) file<br />

format is defined in Appendix C: ROSDAL Syntax<br />

of the MOLKICK User’s Manual, and in this<br />

manual in Appendix F, “File Formats.” on<br />

page 640. The ROSDAL format is primarily used<br />

for query searching in the Beilstein Online<br />

Database. Chem3D supports the ROSDAL file<br />

format for export only.<br />

Standard Molecular Data (SMD)<br />

Use the Standard Molecular Data (.SMD) file<br />

format for interfacing with the STN Express<br />

application for online chemical database searching.<br />

Both import and export are supported.<br />

1. ROSDAL is a product of Softron, Inc.<br />

SYBYL Files<br />

Use the SYBYL © (SML, SM2, ML2) file formats to<br />

interface with Tripos’s SYBYL applications. The<br />

SML and SM2 formats can be used for both import<br />

and export; the ML2 format is supported for import<br />

only.<br />

Tinker MM2 and MM3 Files<br />

Use the XYZ file format to interface with<br />

TINKER © software tools. Specify MM2 for most<br />

models, MM3 for proteins. Both import and export<br />

are supported.<br />

Job Description File<br />

Formats<br />

You can use Job description files to save<br />

customized default settings for calculations. You<br />

can save customized calculations as a Job<br />

Description file (.JDF) or Job Description<br />

Stationery (.JDT). Saving either format in a<br />

Chem3D job folder adds it to the appropriate<br />

Chem3D menu.<br />

JDF Files<br />

The JDF file format is a file format for saving job<br />

descriptions. When you open a JDF file, you can<br />

edit CSBR and save the settings.<br />

JDT Files<br />

The JDT file format is a template format for saving<br />

settings that can be applied to future calculations.<br />

You can edit the settings of a template file, however<br />

you cannot save your changes.<br />

122•Printing and Exporting Models<br />

<strong>CambridgeSoft</strong><br />

Job Description File Formats

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