Theorem on the Dihedral Angles of an Isosceles Tetrahedron Izidor Hafner Inscribed and Circumscribed Spheres of a Tetrahedron Izidor Hafner Construct a Dihedral Angle of a Tetrahedron Given Its Plane Angles at a Vertex Izidor Hafner Supplementary Solid Angles for Trihedron Izidor Hafner Monge Point of ...
TetrahedronDihedral angleSolid angleDeterminantThe tetrahedron, fundamental in organic chemistry, is examined in view of two important kinds of angles: to each tetrahedron edge belongs a dihedral angle (internal intersection angle between two faces having the edge as common side) and to each ...
Gaddum, J.W.: The sum of the dihedral and trihedral angles in a tetrahedron. Amer. Math. Monthly 59, 370–371 (1952) Article MathSciNet MATH Google Scholar Gaddum, J.W.: Distance sums on a sphere and angle sums in a simplex. Amer. Math. Monthly 63, 91–96 (1956) Article Math...
M. C. Angione,S. J. Miller.Dihedral angle restriction within a peptide-based tertiary alcohol kinetic resolution catalyst.Tetrahedron. 2006Dihedral angle restriction within a peptide-based tertiary alcohol kinetic resolution catalyst. Angione, M. C,Miller, S. J. Tetrahedron . 2006...
Ab initio calculations of 1-butene and 2-fluoroacetaldehyde as models for norbornene and 2-norbornanone supported the involvement of interactions with dihedral angle-dependent magnitude.doi:10.1016/S0040-4020(01)87240-9Tomohiko OhwadaElsevier BVTetrahedron...
The resulting dihedral angles are guaranteed to be between 30 and 135 degrees, except near the boundary.; Most angle bounds are obtained by recursive bisection of the space of possible tetrahedron configurations together with interval arithmetic. They are guaranteed by computer-assisted proofs....
[Configuration] plumb instrument of dihedral and one tetrahedral structure, And measuring instrument shell body 1a having a Mimado 5 for closing the empty chamber 4 and the empty rooms for pendulum inserted, which is formed in the right angle of dihedral or one tetrahedron, and is inserted into...
[Configuration] plumb instrument of dihedral and one tetrahedral structure, And measuring instrument shell body 1a having a Mimado 5 for closing the empty chamber 4 and the empty rooms for pendulum inserted, which is formed in the right angle of dihedral or one tetrahedron, and is inserted into...
A comparison of their performance with that of previously reported NADH mimics such as model 1, throws new light on the role played by the C(4)&z.sbnd;C(3)&z.sbnd;C&z.dbnd6;O dihedral angle (伪) on the stereoselectivity of the hydride transfer.[Copyright &y& Elsevier]Vasse...
Display Omitteddoi:10.1016/S0040-4039(99)00500-6Martin PomerantzYang ChengElsevier BVTetrahedron LettersPomerantz, M et al., " Ester substituted bithiophenes. Abnormally low dihedral angle and rotation barrier due to dipolar stabilization, " 40 Tetrahedron Lett. 3317 (1999)....