The calculation of electronic g-tensors is invoked with the keyword .G-TENSOR in the *ESR section of the **RESPONSE input module
**DALTON INPUT .RUN RESPONSE **WAVE FUNCTIONS .HARTREE-FOCK **RESPON *ESR .G-TENSOR **END OF DALTON INPUTwhich gives by default all contributions to the g-tensor to second order in the fine-structure parameter. Keywords following the .G-TENSOR keyword will be interpreted as g-tensor options, which are defined in section 26.1.11