Cliq accessories phonebook index
File type: Various data file
Files with qci file extension are phonebook indexes used in old Cliq program for Linux/Unix.
Found 2 different file type records with the same qci filename suffix.
File type category:
Various data file
Date updated: June 12, 2018
Record marked as obsolete and not updated for a long time.
The qci file extension is mainly related to older program called Cliq that was used mainly on Unix or Linux OS.
Most likely obsolete and no longer used. Originally developed by Quadratron Systems.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
File type category:
Various data file
Date updated: October 2, 2026
The Massively Parallel Quantum Chemistry Program is a quantum chemistry application for Linux and Unix systems. It performs calculations on the properties of atoms and molecules.
A QCI file contains chemistry data used by MPQC in connection with calculations of atoms and molecules.
Open a QCI file with the Massively Parallel Quantum Chemistry Program on Linux or Unix. Use the file as part of the relevant MPQC calculation according to the program's usage instructions.
QCI files are intended for use with the Massively Parallel Quantum Chemistry Program. To use the data in another quantum chemistry program, recreate or transfer the relevant calculation data using the target program's supported input format.
Software applications that handle other tasks involving qci files:
Linux/Unix
Language
