def displayCentralRegionAtoms(atomic_configuration):
    '''
    This function will print information about the atoms located
    in the central region of a two-probe system. This information
    involves:
    * Internal order (number)
    * Element type
    * Cartesian coordinates of the atom
    '''
    print 'Central region atomic configuration:'
    print '='*50
    print 'Number\tElement\tCartesian coordinates (Ang)'
    for i in  range(len(atomic_configuration.elements())):
        print i,'\t',atomic_configuration.elements()[i].symbol(),'\t',
        for x in atomic_configuration.cartesianCoordinates()[i]:
            print x.inUnitsOf(Angstrom),'\t',
        print
    print '='*50