It's a lone pair derived from the natural Lewis structure with an occupation less than one.
In which case calling it an "lone pair" is something of an overstatement, so NBO marks it as LP*.
Waiting for answer.Friends, I found some lone pair in NBO analysis with the mark star.What it refers?
--
Dr. Partha Sarathi Sengupta
Associate Professor
Vivekananda Mahavidyalaya, Burdwan
Regards,
Nuno