cclib software package provides Parsers and algorithms for computational chemistry, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cclib
cclib is installed in your system.
Make ensure the cclib package were installed using the commands given below,
$ sudo dpkg-query -l | grep cclib *
You will get with cclib package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Science |
| Package | cclib |
| Version | 1.3.1-1 |
| Description | Parsers and algorithms for computational chemistry |
| Sub Section | Science |