  The study of the angular momentum properties of fission fragments can shed
light about the complex mechanisms that characterize the fission process. One
quantity that is of significant interest, and has not yet been studied
adequately, is the alignment of the fragments, which is the cause of anisotropy
of the {\gamma} rays along the fission axis and has been observed in various
past and recent experiments. In this work, we have performed calculations using
the FIFRELIN code, in an attempt to quantify the alignment of the nuclear spins
after neutron-emission. Under the statistical tensor formalism of angular
distributions, the conversion-electron and the {\gamma}-ray angular
distributions can be treated simultaneously in an event-by-event calculation.
This enables a first prediction of the conversion-electron angular distribution
with respect to the fission axis. An average value for the alignment of fission
fragments is deduced for 252Cf, with the use of recent experimental data. The
method used for the present work can serve as a starting point for future
theoretical and experimental studies in terms of {\gamma} and
conversion-electron spectroscopy in view of studying the spin alignment of
individual fission fragments, which could further improve our understanding on
the process of fission.
