!Input file for the ifc code. Analysis of the CaC6 DDB !Flags dieflag 2 ! 2=> electronic dielectric tensor only !Effective charges asr 1 ! Acoustic Sum Rule. 1 => imposed asymetric ally chneut 1 ! Charge neutrality requirement for effecti ve charges. !Eigenvectors eivec 1 ! enunit 1 !Wavevector list number 1 (Reduced coordinates and normaliza tion factor) nph1l 1 ! number of phonons in list 1 qph1l 0.0 0.0 0.0 1.0 !Wavevector list number 2 (Gamma point only, with limiting d irection ! in cartesian coordinates. ) nph2l 1 ! number of phonons in list 2 qph2l 1.0 0.0 0.0 0.0