  Fe II emission lines are observed from nearly all classes of astronomical
objects over a wide spectral range from the infrared to the ultraviolet. To
meaningfully interpret these lines, reliable atomic data are necessary. In work
presented here we focused on low-lying fine-structure transitions, within the
ground term, due to electron impact. We provide effective collision strengths
together with estimated uncertainties as functions of temperature of
astrophysical importance ($10 - 100,000$ K). Due to the importance of
fine-structure transitions within the ground term, the focus of this work is on
obtaining accurate rate coefficients at the lower end of this temperature
range, for applications in low temperature environments such as the
interstellar medium. We performed three different flavours of scattering
calculations: i) a intermediate coupling frame transformation (ICFT) $R$-matrix
method, ii) a Breit-Pauli (BP) $R$-matrix method, and iii) a Dirac $R$-matrix
method. The ICFT and BP $R$-matrix calculations involved three different
AUTOSTRUCTURE target models each. The Dirac $R$-matrix calculation was based on
a reliable 20 configuration, 6069 level atomic structure model. Good agreement
was found with our BP and Dirac $R$-matrix collision results compared to
previous $R$-matrix calculations. We present a set of recommended effective
collision strengths for the low-lying forbidden transitions together with
associated uncertainty estimates.
