-
systems (hexagonal and
trigonal) and two
lattice systems (hexagonal and rhombohedral).
While commonly confused, the
trigonal crystal system and the rhombohedral...
- In chemistry, a
trigonal pyramid is a
molecular geometry with one atom at the apex and
three atoms at the
corners of a
trigonal base,
resembling a tetrahedron...
- In chemistry,
trigonal planar is a
molecular geometry model with one atom at the
center and
three atoms at the
corners of an
equilateral triangle, called...
- In chemistry, a
trigonal bipyramid formation is a
molecular geometry with one atom at the
center and 5 more
atoms at the
corners of a
triangular bipyramid...
- In geometry, a
trigonal trapezohedron is a
polyhedron with six
congruent quadrilateral faces,
which may be
scalene or rhomboid. The
variety with rhombus-shaped...
-
equilateral triangle centered on the atom. Therefore, the
predicted geometry is
trigonal. Likewise, for 4
electron pairs, the
optimal arrangement is tetrahedral...
- the
trigonal trapezohedral honeycomb is a
uniform space-filling
tessellation (or honeycomb) in
Euclidean 3-space.
Cells are
identical trigonal trapezohedra...
- is a
trigonal prismatic geometry,
which has
symmetry D3h. In this geometry, the six
ligands are also equivalent.
There are also
distorted trigonal prisms...
-
faces are
replaced by
alternating equilateral triangles. It is also
called trigonal antiprism. Therefore, it has the
property of quasiregular, a polyhedron...
-
seven crystal systems are triclinic, monoclinic, orthorhombic, tetragonal,
trigonal, hexagonal, and cubic. Informally, two
crystals are in the same crystal...
