Q: The magnitude of the magnetic moment of CrCl3 is 3.81μB. How many unpaired electrons does the Cr…
A: Number of unpaired electron can be calculated from the following equation Given,
Q: A crystal is known to have a face-centered (F-centering) cubic unit cell. The fractional coordinate…
A: There are four possible coordinator --- 1) (-0.5,0.5,1.5) 2) (-0.5,1,-0.5) 3) 0.5,0.5,0.5) 4) (1/2,…
Q: The unit cell of the tetragonal (a = b not equal to c) phase of a Ni and Nb alloy is given below. a.…
A: Given a tetragonal unit cell where a=b but not equal to c . Let's discuss the mirror planes and…
Q: For the given orthorhombic figure below , calculate its atomic packing factor. b=0.495 nm a=0.286 nm…
A:
Q: KCI is a crystallized in a face centred cube (FCC). What is the percentage of the filled holes if K…
A: Radius of potassium ion given=182pm Radius of chloride ion given=280pm
Q: (a) Mark the sites in the unit cell. b (b) List the Miller indices of all the octahedral…
A: In case of FCC, there are 4 atoms. Therefore, there are 4 octahedral voids.
Q: 4. The Cesium ions has 8 Chlorine ions on its nearest neighbor, what is the coordination number of…
A: Coordination number also called legacy is the number of atoms/ions that are hold by a central atom…
Q: A face-centered tetragonal lattice is not one of the 14three-dimensional lattices. Show that a…
A: Bravais lattices are defined on the basis of symmetry, not defined in terms of shape and size.…
Q: 22. What is the stationary phase column packing material for Q 21?
A: Chromatography is the method that is used to separate the components of the mixture. It has two…
Q: 9. For a two dimensional lattice with, a1= a az= a/2 (a) what is the area of a primitive cell? (b)…
A: a) What is the area of a primitive cell:- Answer:- b) Show that the lattice is a rectangular…
Q: What is band broadening? Explain the phenomenon of eddy diffusion.
A: These are terms with reference to chromatography:
Q: Calcium carbonate crystals in the form of aragonite have orthorhombic unit cells of dimensions a =…
A:
Q: For a two dimensional lattice with, a1= a az= a/2 P- TT/3 ) what is the area of a primitive cell? )…
A: given condition- a1=a,a2=a22ϕ=π3(a). Area of the Primative cell -Here as of S=a1×a2×sinϕnow applying…
Q: What point defects are possible for Al2O3 as an impurity in MgO? How many Al3+ ions must be added to…
A:
Q: Identify all the symmetry elements in the following solid-state structures: a body-centered…
A: In chemistry and crystallography, a symmetry element is a point, line, or plane about which symmetry…
Q: A solid is thought to have an orthorhombic structure. Calculate the positions D and 2θ for the plane…
A: Interpretation- To calculate the position D and 2θ for the plane 111 expected in the diffraction…
Q: A. Determine the Fhkl Factor of the ionic crystal NaCl, assuming the scattering factors for Na and…
A:
Q: Why is it necessary to use the Ka transition (2p-----> 1s) in copper (see Problem 88) to generate…
A: The 2p→1s transition for copper is called the Kα transition. This transition is used to generate…
Q: 14. Show analytically that five fold rotation axis does not exist in a crystal lattice.
A: Detail explanation why Crystal lattice does not have five rotation axis is given below.
Q: ketch the (1 1 1) and (1 11) planes in a simple cubic lattice. Show that (1 1 1) and (111) are a set…
A: Miller indices are the atomic representation in crystal lattice.
Q: How many octahedral voids are there in 1 mole of a compound havingcubic closed packed structure?
A: There are two types of voids present a)Tetrahedral b) Octahedral CCP stands for cubic close…
Q: Explain and discuss the difference between the 2-Dimensional and 3-Dimensional structure of…
A: We have to Explain and discuss the difference between the 2-Dimensional and 3-Dimensional structure…
Q: When the paramagnetic species are very close together, or are separated by a species that can…
A: Paramagnetic species are the species that contain one or more unpaired electrons. When they are…
Q: Can you please answer this with serious detail and depth, as in every last little step explained as…
A: Hexagonal closed packing refers to layers of spheres packed so that spheres in alternating layers…
Q: Q1: A hexagonal structure has the prime vectors of a regular cell a=b#c & y= 120° Calculate: a = B =…
A: The cell will be with a=b=/=c and alpha,beta = 90 and gamma = 120. Hexagonal Has prime vectors…
Q: Figure C3. Six segments of arrays of packed circles. E6. Think of the worried Professor in Figure C9…
A:
Q: 9. In the graphic below we have two types of materials X and Y: i) a & b refer to material "X" in…
A: Answer: Paramagnetic materials are weakly attracted by the external magnetic field and they…
Q: : Identify all the symmetry elements in the following solid-state structures: a. a body-centered…
A: The symmetry elements present in the given solid state structures. A symmetry elements is a point,…
Q: What is the stoichiometry for Fe3O4? What point defects will be associated with a Frenkel defect in…
A: The iron oxide Fe3O4, the mineral magnetite once in a while called ferrosoferric oxide, is…
Q: 5. For which set of crystallographic planes will a first-order diffraction peak occur at a…
A:
Q: Complete the equation for calculating the face diagonal of a simple cubic unit cell. face…
A: A cube has a total of 6 square faces. Face diagonal of a cube is the diagonal of any one of the 6…
Q: 1.) Calculate the ionic packing factor (IPF) for the CsCl structure for a ratio of ionic radii a =…
A: In crystallography, atomic packing factor or packing efficiency is the fraction of volume of crystal…
Q: Nuclear magnetic resonance (NMR) logging tools provide: A. permeability estimate B. Pore Size…
A: Given : NMR logging tools . To find : Information that NMR logging tools provide. Solution : NMR…
Q: A crystal is known to have a body-centered (I-centering) cubic unit cell. The fractional coordinate…
A:
Q: Explain what the major difference in the XRD patterns of base-centered and body- centered…
A: Orthorhombic Unit cell: Orthorhombic unit cell is one of the 7 unit cells.
Q: 9. For a two dimensional lattice with, az= a/2 O- T/3 a1= a (a) what is the area of a primitive…
A: The explanation is given below
Q: indicate
A: Dear student I have given answer to your question in the image format.
Q: 5. Show that the atomic radius of BCC crystal R =a
A: Atomic radius of BCC crystal = √3a/4
Q: 8. a) Show that a two-dimensional lattice may not possess a 5-fold symmetry. b) Establish the fact…
A: Although objects themselves may appear to have 5-fold, 7-fold, 8-fold, or higher-fold rotation axes,…
Q: 14. Which of the following reflections would be missing in a bcc lattice: (100), (110), (111),…
A: Unit cell is the basic unit of crystal lattice that join together to form an entire lattice of a…
Q: Q#01. Answer the followings: (a) Distinguish between the coordination number and number of atoms per…
A: Coordination number, also called Ligancy, the number of atoms, ions, or molecules that a central…
Q: What are the highest symmetry crystal systems the unit cells below can belong to ? and why? (a)…
A:
Q: Determine the radius of the smallest cation that can have (i) sixfold and (ii) eightfold…
A:
Q: a) For bcc lattice, which values of hkl give reflection? b) For fcc lattice, which values of hkl…
A: Lattice may be simple cubic, face centered, body center and diamond lattice.
Q: Define the Miller indices of the cubic crystal plane that intersects the following position…
A: Miller Indices of a plane are proportional to reciprocal of intercept of the plane on the three…
Q: Define polymorphism and allotropy. Give ONE example of materials that have polymorphic…
A: Polymorphism: Polymorphism can be defined as the ability of a substance to crystallize into…
Determine the point groups of the following unit cells:
a. Face-centered cubic
b. Body-centered tetragonal
c. CsCl
d. Diamond
e. Nickel arsenide
Trending now
This is a popular solution!
Step by step
Solved in 5 steps with 3 images
- What are the highest symmetry crystal systems the unit cells below can belong to ? and why? (a) 12.32 13.45 17.85 90.0 90.0 91.7 b)22.45 13.72 24.21 90.0 90.0 90.0 c)23.32 23.32 8.76 90.0 90.0 120.0 d)6.74 6.74 14.12 80.7 80.7 77.6 e)12.11 10.96 10.96 90.0 90.0 90.0Sketch the Miller plane in a unit cell (1-31)What is the stoichiometry for Fe3O4? What point defects will be associated with a Frenkel defect in Fe3O4.
- Create an elaborate analysis about the description of “Face Centered Cubic Unit Cell”, and indicate some fun facts about it.If Na+ ions were to substitute for magnesium ions in MgO, in order to preserve electroneutrality, what point defects would be possible in MgO?Potassium nitrate crystals have orthorhombic unit cells of dimensions a = 542 pm, b = 917 pm, and c = 645 pm. Calculate the values of θ for the (100), (010), and (111) reflections using radiation of wavelength 154 pm.
- Calcium carbonate crystals in the form of aragonite have orthorhombic unit cells of dimensions a = 574.1 pm, b = 796.8 pm, and c = 495.9 pm. Calculate the values of θ for the (100), (010), and (111) reflections using radiation of wavelength 83.42 pm.Explain and discuss the difference between the 2-Dimensional and 3-Dimensional structure of Face-centered Cubic.Vanadium oxide, V2O3, crystallizes in the space-group symmetry R¯3c with lattice parameters a = 4.954 °A and c = 14.00 A° . Calculate the interplanar spacing, d, and Bragg peak positions, 2θ, for the 104 (the strongest Bragg peak) and for the 012 (the lowest Bragg angle peak) reflections assuming Cu Kα1 radiation with λ = 1.5406 A°.