Navigation: Documentation / Collective Variables / CV:RMSDT


Definition

The root mean square deviation of the structure fitted to the reference structure. The fit is mass weighted.

Failed to parse (Conversion error. Server ("cli") reported: "[INVALID]"): {\displaystyle \xi = \sqrt{ \frac {\sum_{i=1}^{N}{ m_i | \bold R_i^' - \bold R_{ref,i}|^2 }} {\sum_{i=1}^{N}{ m_i}} }}

where R' is the structure superimposed onto the reference structure Rref.

PBC note: The minimum-image convention is not used.


Specification

Section name: RMSDT

Key Type Default Description




name string unique CV name
group_a mask atoms involved in the projection
target string name of file with the reference structure in the XYZ format, the structure must have the same number of atoms as the group group_a

Keys in bold are mandatory.