1) Shown is a below is unit cell. Answer the following questions based on this unit cell. Sr= black Ti = gray O = white (a) What is the chemical composition of the unit cell? (b) How many formula units are in the unit cell? (aka Z-value) (c) What is the coordination number of the central atom (gray)? (d) What is the coordination environment of the central atom (gray)? Answer: Answer: Answer: Answer:
1) Shown is a below is unit cell. Answer the following questions based on this unit cell. Sr= black Ti = gray O = white (a) What is the chemical composition of the unit cell? (b) How many formula units are in the unit cell? (aka Z-value) (c) What is the coordination number of the central atom (gray)? (d) What is the coordination environment of the central atom (gray)? Answer: Answer: Answer: Answer:
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...
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Transcribed Image Text:# Unit Cell Analysis
**1) Shown below is a unit cell. Answer the following questions based on this unit cell.**
- Sr = black
- Ti = gray
- O = white
### Diagram Explanation
The diagram is a 3D representation of a unit cell, which is a repeating structure found in crystal lattices. This particular diagram shows:
- Black spheres representing Sr (Strontium) atoms located at the corners of the cube.
- A gray sphere representing the Ti (Titanium) atom located at the center of the cube.
- White spheres representing O (Oxygen) atoms located at the center of each face of the cube.
### Questions
(a) What is the chemical composition of the unit cell?
**Answer:** ____________
(b) How many formula units are in the unit cell? (aka Z-value)
**Answer:** ____________
(c) What is the coordination number of the central atom (gray)?
**Answer:** ____________
(d) What is the coordination environment of the central atom (gray)?
**Answer:** ____________
Expert Solution
Step 1: Introduction
Strontium Titanate (SrTiO3) represents a notable example of a perovskite oxide compound, renowned for its complex crystal structure and remarkable material properties. A comprehensive understanding of its crystallography is essential for exploring and leveraging its distinct attributes in various scientific and technological domains.
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