Curvilinear coordinates

[1]W. Zou, D. Izotov, and D. Cremer,New Way of Describing Static and Dynamic Deformations of the Jahn-Teller Type in Ring Molecules,J. Phys. Chem. A115, 8731 (2011).

[2]W. Zou, Y. Tao, D. Cremer, E. Kraka,Systematic description of molecular deformations with Cremer-Pople puckering and deformation coordinates utilizing analytic derivatives: applied to cycloheptane, cyclooctane, and cyclo[18]carbon,J. Chem. Phys.152, 154107 (2020).

[3]W. Zou, Y. Tao, D. Cremer, E. Kraka,Describing Polytopal Rearrangements of Fluxional Molecules with Curvilinear Coordinates Derived from Normal Vibrational Modes - A Conceptual Extension of Cremer-Pople Puckering Coordinates,J. Chem. Theory Comput.16, 3162-3193 (2020).