force constant


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force constant

[′fȯrs ‚kän·stənt]
(mechanics)
The ratio of the force to the deformation of a system whose deformation is proportional to the applied force.
(physical chemistry)
An expression for the force acting to restrain the relative displacement of the nuclei in a molecule.
References in periodicals archive ?
APPENDIX: STRETCHING AND BENDING FORCE CONSTANTS Stretching Bending Force Force Bond constant.
The high force constant determined at ILL backs up recent work on the overstretching of DNA.
c]) is a function of mass change due to defect, anharmonic force constants and the applied electric field.
2], where k is the force constant and z is the infinitesimal displacement of the fundamental oscillation.
Stanley Cameron from Dalhousie University, the stretching frequencies and force constants all point to very high bond orders for the S-S and I-I bonds in these molecules.
09, restraints are used as specified, values of corresponding force constants for the distance [K.
Clients are aggravated by strong password policies that force constant change and difficult passwords, but not having those policies is not an option.
Tenders are invited for Supply Of Non Contact/Tapping Mode - High Force Constant Atomic Force Microscopy Probes And Contact Mode Atomic Force Microscopy Probes
If the corrections [DELTA]F are fairly large, the linear relation between force constant and frequency term in the matrix Eq.
It is a two-terminal, hysteresis free, cog free, direct drive linear servo with infinite position sensitivity and features a linear force constant characteristic for simple control.
Thompson (an undergraduate student at Trent University) 'Determination of the Effective Force Constant for Stretching Modes of Organic Molecules.
The company's Ultralevers silicon cantilevers with integral probe tips used in the attractive-mode technique offer improved image resolution over instruments using low force constant cantilevers and traditional pyramidal tips (left), as shown by the accompanying images of a polyethylene sample.