in dichloromethane-d2 I2 was sublimed into the complex at 77 K after CH2Cl2, stored at -80°C and every 30 min heavily shaken for about 1 min (10 times), 4 days(inert atm.); ppt. was filtered at -80°C, volatiles were quickly removed at 0°C; elem. anal.;

in dichloromethane-d2 I2 was sublimed into the complex at 77 K after CH2Cl2, stored at -80°C and every 30 min heavily shaken for about 1 min (10 times), 4 days(inert atm.); ppt. was filtered at -80°C, volatiles were quickly removed at 0°C; elem. anal.;

in dichloromethane-d2 Sonication; I2 was sublimed into an NMR tube with complex at 77 K after CD2Cl2, NMR tube was sealed, activated with ultrasound at -78°C for about 10 min; not sepd., detected by NMR spectra;