Isomers of [Fe(SCN)2(H2O)4]: How Many Possibilities?

[yy205001]

Homework Statement

How many possible isomers exist for the neutral octahedral complex[Fe(SCN)₂(H2O)₄]?

Homework Equations

The Attempt at a Solution

i got three which are trans-, cis-, and the mirror image of cis-. so is there anymore?
please help.

 

[Borek]

I don't see how the mirror image is different from the original.

 

[sjb-2812]

How does the thiocyanate ion co-ordinate?