Reading Dynamical Matrix from file sih4.dyn
     ...Force constants read
     ...epsilon and Z* read
     Acoustic Sum Rule: || Z*(ASR) - Z*(orig)|| =    0.386321E+01
     Acoustic Sum Rule: ||dyn(ASR) - dyn(orig)||=    0.345645E-01
     A direction for q was not specified:TO-LO splitting will be absent

     Polarizability (A^3 units)
     multiply by 0.436605 for Clausius-Mossotti correction
        19.720762    0.000000    0.000000
         0.000000   19.720762    0.000000
         0.000000    0.000000   19.720740

     IR cross sections are in (D/A)^2/amu units

#  mode   [cm-1]     [THz]       IR
    1      0.00    0.0000    0.0000
    2      0.00    0.0000    0.0000
    3      0.00    0.0000    0.0000
    4      0.00    0.0000    0.0000
    5      0.00    0.0000    0.0000
    6      0.00    0.0000    0.0000
    7    740.97   22.2136    0.0000
    8    740.97   22.2136    0.0000
    9    903.97   27.1003   13.3082
   10    903.97   27.1003   13.3082
   11    903.97   27.1003   13.3082
   12   2519.39   75.5288   49.9869
   13   2519.39   75.5288   49.9869
   14   2519.39   75.5288   49.9869
   15   2751.03   82.4733    0.0000