libavogadro1 software package provides Molecular Graphics and Modelling System (library), you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libavogadro1
libavogadro1 is installed in your system.
Make ensure the libavogadro1 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libavogadro1 *
You will get with libavogadro1 package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Libraries |
| Package | libavogadro1 |
| Version | 1.0.3-1ubuntu4 |
| Description | Molecular Graphics and Modelling System (library) |
| Sub Section | libs |