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Free energy diagram of n-butane as a function of dihedral angle. In stereochemistry , a torsion angle is defined as a particular example of a dihedral angle, describing the geometric relation of two parts of a molecule joined by a chemical bond .
Dihedral angle is the upward angle from horizontal of the wings or tailplane of a fixed-wing aircraft. "Anhedral angle" is the name given to negative dihedral angle, that is, when there is a downward angle from horizontal of the wings or tailplane of a fixed-wing aircraft. Dihedral angle has a strong influence on dihedral effect, which is named ...
The dihedral angles for the edge-transitive polyhedra are: Picture Name Schläfli symbol Vertex/Face configuration exact dihedral angle (radians) dihedral angle
Dihedral (aeronautics), the upward angle of a fixed-wing aircraft's wings where they meet at the fuselage, dihedral effect of an aircraft, longitudinal dihedral angle of a fixed-wing aircraft; Dihedral group, the group of symmetries of the n-sided polygon in abstract algebra Also Dihedral symmetry in three dimensions; Dihedral kite, also known ...
From Wikipedia, the free encyclopedia. Redirect page
The three eclipsed conformations, in which the dihedral angles are zero, are transition states (energy maxima) connecting two equivalent energy minima, the staggered conformers. [ citation needed ] The butane molecule is the simplest molecule for which single bond rotations result in two types of nonequivalent structures, known as the anti ...
Its dihedral angle between two rhombi is 120°. [ 2 ] The rhombic dodecahedron is a Catalan solid , meaning the dual polyhedron of an Archimedean solid , the cuboctahedron ; they share the same symmetry, the octahedral symmetry . [ 2 ]
The 12 face angles - there are three of them for each of the four faces of the tetrahedron. The 6 dihedral angles - associated to the six edges of the tetrahedron, since any two faces of the tetrahedron are connected by an edge. The 4 solid angles - associated to each point of the tetrahedron.