-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Dear Shutong Xu,
one often finds artefacts on special positions. As far as I understand, these are numerical 'instabilities' or artefacts rather than of chemical origin. Best, Tim On 11/05/2012 10:50 AM, Crystal Xu wrote: > Dear all, > > I am now determining a structure at 2.2 A resolution. The space > group is C2, and there is only one molecular in an ASU. During the > refinement, some weird electron density appears right on the > two-fold axis. Does anyone have any idea what could this be? Thanks > a lot. Best regards > > Shutong Xu > - -- - -- Dr Tim Gruene Institut fuer anorganische Chemie Tammannstr. 4 D-37077 Goettingen GPG Key ID = A46BEE1A -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iD8DBQFQl5NkUxlJ7aRr7hoRAkUtAKC/6mrt5LdcG9bjZm3rN6UfDzpotQCg7B20 WknHYPcUECMxk//k9zKjiqE= =WCPn -----END PGP SIGNATURE-----
