The cell parameters and lattice angles for the tetragonal a = 3.785 Å a = 90* %3D b = 3.785 Å B = 90° C = 9.514 Å y = 90° Find the unit cell translation in reciprocal space a*, b* and c*. Draw it to scale and show the reciprocal lattice nodes that correspond to the allowed reflections for this crystal. Show enough nodes that the nature of the reciprocal space becomes evident.

The cell parameters and lattice angles for the tetragonal a = 3.785 Å a = 90* %3D b = 3.785 Å B = 90° C = 9.514 Å y = 90° Find the unit cell translation in reciprocal space a, b and c*. Draw it to scale and show the reciprocal lattice nodes that correspond to the allowed reflections for this crystal. Show enough nodes that the nature of the reciprocal space becomes evident.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

A crystalline sample has a diffraction peak at 15.6°. What is the corresponding d space in pm? Assume n = 1 and A = 90.1 pm. Report your answer to the ones place.
What is the density of atoms/nm^2 on the (110) plane of a zinc blende lattice with lattice spacing 0.489 nm. Three significant digits, fixed point notation.
A first order reflection from the (123) planes of a cubic crystal was observed at an angle of e = 24.8 ° when X-rays of wavelength 154 pm were used. 1 h k? 1? d u? b? na = 2d sin e -= - hki (i) Determine the length of the side of the unit cell.
A reflection from the {111} planes of a cubic crystal was observed at θ = 11.2° when X-rays of wavelength 154 pm were used. What is the length of the side of the unit cell?
X-ray diffractionanalysis(using a Cu anode)of a specimen with a known cubiccrystal structure reveals that the peak generated as a result of reflection from the (110) plane occurs at a 2θ=32°. Determine the unit cell volume of this materia
Calculate the packing efficiencies of sodium chloride and zinc blende. (Radii of ions: four coordinate Na† 1.13 Å, six coordinate Nat 1.16 Å, eight coordinate Na+ 1.32 Å, four coordinate Zn²+ 0.74 Å, six coordinate Zn²+ 0.88 Å, eight coordinate Zn2+ 1.04 Å, CF 1.67 Å, S2- 1.70 Å.)
Determine the radius of the smallest cation that can have (i) sixfold and (ii) eightfold coordination with the Cl− ion (radius 181 pm).
Complete the table below. Name of Hypothetical Crystal Volume, V, in cm3 Length of one side of the cell, Crystal Radius, r, in Structure cm I, in cm (2) (4) (6) ZORRO FCC 0.9813 (1) LUFFY ВСС (3) (5) 65.3111 SANJI SC 12.7890 (7) (9) (8) (10) NAMI FCC 5.0000 ROBIN ВСС 49.7965
B: Define the coordination number and its value for BCC unit cell.