I found
this site really handy for identifying oddball chords. It agrees with F6sus2, but also gives G7(no3), G5/F, Dm(add11) and Dm(add11)/F as alternatives.
One of my favourites at the moment is Radiohead's Exit Music for a Film, which has:
Dadd9/F# (2x0230)
Dadd9/F (1x0230)
Gmadd11 (3x0313)
D7/F# (2x0212)
All of which sound great. The Gmadd11 is a handful.