Question: a. In a unit cell, how are the angles , and defined? (1p) b. What relationships between the lengths of the unit cell edges exist

a. In a unit cell, how are the angles , and defined? (1p) b. What relationships between the lengths of the unit cell edges exist in a tetragonal unit cell? What about the angles? (2p) c. What is the difference between a 2 -fold axis and a 21 axis? ( 1 p) d. Why are mirror planes, inversion points and glide planes possible for crystals of some small molecules, but not proteins? (1p)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Chemistry Questions!

The perovskite crystal structure is known for the variety of transformations it can support. The prototype structure is cubic ( E x . S r T i O 3 at room temperature ) . It has space group P m 3 m (...

Table 3-1 contains formulas for the volume of different types of unit cells. Write a computer program to calculate the unit cell volume in the units of 3 and nm 3 . Your program should prompt the...

Eutectic tin-lead solder (Tin 63% / Lead 37% ) was the most popular type of solder used in electronic devices for many years. The below is a phase diagram for Sn-Pb. Sn has a body centered tetragonal...

can i get a clear well explained answer, dont repost the answer because i didnt understand it thanks (a) Consider a tetragonal unit cell with lattice parameters: a=b=5.2Ac=10.14A Draw a perspective...

Consider a hypothetical polymer that has a tetragonal unit cell ( ie . , = = = 9 0 ) with the following unit cell edge lengths: a = b = 0 . 7 3 1 n m , and c = 0 . 9 3 3 n m . Furthermore, the repeat...

urgent thank you! A unit cell, as shown in Figure 1, has identical lengths in three axes (width, height and long) and all angles between axes are 90 Which crystal system does this unit cell belong...

please send me the key of the following MCQS from 1 to 100 Sir please. 1. The information stored in a computer is known as 1) Facts 2) Files 3) Data 4) Directory or repository 2. Who among the...

1. (a) What are the intercept points on the x, y, u and z axes for the shaded planes in the hexagonal crystal structures (i), (ii), and (iii) shown below? (6 marks) (i) Z (ii) N (iii) N y y y (b)...

Make sense of the thoughts of static and dynamic chains, giving an illustration of a circumstance in which they contrast (for example reference to some unacceptable one would get to the wrong...

ENSURE WORK IS ORIGINAL OR I REJECT AND REPORT YOU TON THE SUPPORT INSTANTLYThe end result does now not should be taken care of. You may additionally expect n 6 length(xs). [Hint: Function least is a...

A 20 kg child and a 30 kg child sit on opposite ends of a 4 m seesaw that is pivoted at its center. How far (in meters) from the first 20 kg child should a second 20 kg sit to balance the seesaw?...

A not very skilled dart player throws two darts at the board pictured in the figure below. Assume that his throws are independent and that the probability of a dart landing in any particular region...

? _ _ _ _ i n c l u d e s o n g o i n g s u p p o r t a n d m a i n t e n a n c e c o s t s , a s w e l l a s a c q u i s i t i o n c o s t s . a . T C O ( t o t a l c o s t o f o w n e r s h i p ) b...

1. The first step on your Agile journey is to the work. 2. The Agile will soon have all the training material you need on your Agile journey 3. Learning Agile is like learning to Once you get started...

Your company provides several mobile productivity apps for employees so they can access the company network and collaborate while working from home, waiting for trains, and during other times when...

What are the six main categories of nonverbal signals? [LO-5]

What are six characteristics of effective teams? [LO-1]