in the <>-castep_Efield.castep file
==============================================================================
+ Vibrational Frequencies +
+ ----------------------- +
+ +
+ Performing frequency calculation at 1 wavevector (q-pt ) +
+ ========================================================================== +
+ +
???????????????????????????????????????????????????????????????????????
Warning in secondd_find_acoustics
Failed to identify 3 eigenvectors with acoustic character
Acoustic sum rule correction will only be applied to 2 mode(s)
????????????????????????????????????????????????????????????????????????
MPI Application rank 0 exited before MPI_Finalize() with status -107374181
Can anyone give me a hint how to solve the problem?
many thanks,
Hao