-factors based on F^0^ are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.   ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------  Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å^0^) {#tablewrapcoords} ==================================================================================================    ------ --------------- -------------- --------------- -------------------- --          *x*             *y*            *z*             *U*~iso~\*/*U*~eq~      I0    