Geometry of IF 7 is pentagonal bipyramidal and bond angle is 72 0 and 90 0. These hybrid orbitals overlap with singly filled 2pz atomic orbitals of seven F-atoms to form seven I-F sigma bond. Seven atomic orbitals (one s, three p and three d orbitals) hybridize to form seven sp 3d 3 hybrid orbitals. of 180 angle possible between X-M-X bond for compounds with sp3d2 and sp3d hybridisation respectively are:(1) 3,3(2) 3,1(3) 1,3(4) 3. These are not equivalent hybrid orbitals because five of them are directed towards the corners of a regular pentagon while the remaining two are directed above and below the plane.Seven sp 3d 3 hybrid orbitals are directed towards the corners of a pentagonal bipyramid.This hybridization is known as sp 3d 3 hybridization. The mixing of one s, three p and three d- atomic orbitals to form seven equivalent sp 3d 3 hybrid orbitals of equal energy. See Shape Outlines.Source :Chemistry Stack Exchange Sp 3d 3 hybridization : Note that the same effect could be achieved by setting the outline shape property. Below is a shape with a 5-point contour in light blue. The width of the contour is specified (in EMUs) with contourW attribute on the element.
So, for example, a scheme or theme color may be specified as accent6, but a luminance modulation can also be applied to that base color. Note that these elements corresponding to color specification methods can also have child elements which transform the base color. The color is specified as a child element of using one of the following color options: as a preset color ( ), using hue, saturation and luminance ( ), scheme colors ( ), system colors ( ), or as RGB percentages or hex numbers ( or ). The color of the contour is specified as a child element of the element. The top bevel is a softRound type and has a width of 12 points and a height of 10 points.Ī contour is a solid filled line that surrounds the outer edge of the shape. The bottom bevel is a coolSlant type and has a width of 13 points and a height of 10 points. Below is a sample shape with top and bottom bevels. The w attribute specifies the width of the bevel, or how far into the shape it is applied. The h attribute specifies the height (in EMUs) of the bevel or how far above the shape it is applied. The prst attribute specifies the preset bevel type which defines the look of the bevel. Both bevel elements are empty elements with three attributes which define the charateristics of the bevel. It is a simple coordinate specified either in EMUs or as a number immediately followed by a unit identifier.īottom and top bevels are specified with and, respectively. The z attribute defines the z coordinate for the 3D shape. Possible values are:īelow is the same shape shown above, except that the prstMaterial attribute has been set to powder rather than metal. The prstMaterial attribute specifies a preset material type, which is a combination of lighting characteristics which are intended to mimic the material.
In addition to the attributes related to contour and extrusion, there are two attributes which affect the 3D properties of a shape.