PCh8 Lec1 - Revision history

Bes at 21:55, 25 April 2020

2020-04-25T21:55:19Z

2020-03-27T21:54:49Z

Question 3

2020-03-27T15:15:19Z

Question 2

2020-03-27T15:10:56Z

Section 8.3

2020-03-27T14:40:40Z

Section 8.3

2020-03-27T14:40:07Z

Section 8.3

2020-03-27T14:34:46Z

Section 8.3

2020-03-27T14:32:47Z

Section 8.3

2020-03-27T14:32:25Z

Section 8.3

2020-03-27T14:22:41Z

Question 3

← Older revision		Revision as of 21:55, 25 April 2020
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		+	(3/27/20, bes)
		+
	'''Chapter 8: The Vibrational and Rotational Spectroscopy of Diatomic Molecules'''		'''Chapter 8: The Vibrational and Rotational Spectroscopy of Diatomic Molecules'''

@@ Line 37: / Line 37: @@
 :- So, lowering the temperature of your sample increases the number of systems in the lower energy and hence increases the "signal."
-'''''Spontaneous emission''''' is related to fluorescence and will ''not' be discussed any further here..
+'''''Spontaneous emission''''' is related to fluorescence and will ''not'' be discussed any further here.
 ==Section 8.3==

@@ Line 46: / Line 46: @@
 :- ''ṽ<sub>o</sub>'' (<sup>1</sup>H<sup>35</sup>Cl) = 2991 cm<sup>-1</sup>
 :- ''ṽ<sub>o</sub>'' (<sup>1</sup>H<sup>79(?)</sup>Br) = 2649 cm<sup>-1</sup>
 ===Question 1===
-See example problem 8.2; calculate the force constant for each of these haloacids:
+See example problem 8.2; calculate the force constant for each of these haloacids, i would suggest setting up an Excel file to do this for you...:
 (to calculate the reduced mass, use the value in [http://esr.monmsci.net/wiki/images/8/89/Atomic_mass_abund.pdf this table])
 :- Answers:

@@ Line 47: / Line 47: @@
 :- ''ṽ<sub>o</sub>'' (<sup>1</sup>H<sup>79(?)</sup>Br) = 2649 cm<sup>-1</sup>
-:See example problem 8.2; calculate the force constant for each of these haloacids:
+===Question 1===
 (to calculate the reduced mass, use the value in [http://esr.monmsci.net/wiki/images/8/89/Atomic_mass_abund.pdf this table])
 :- Answers:

@@ Line 42: / Line 42: @@
 READ section...
-Notice that table 8.2 has the "experimental" data for a collection of diatomic molecules. Let's compare the haloacids:
+Notice that table 8.2 has the "experimental" and calculated data for a collection of diatomic molecules. Let's compare the haloacids:
 :- ''ṽ<sub>o</sub>'' (<sup>1</sup>H<sup>19(?)</sup>F) = 4138 cm<sup>-1</sup>
 :- ''ṽ<sub>o</sub>'' (<sup>1</sup>H<sup>35</sup>Cl) = 2991 cm<sup>-1</sup>
 :- ''ṽ<sub>o</sub>'' (<sup>1</sup>H<sup>79(?)</sup>Br) = 2649 cm<sup>-1</sup>

← Older revision		Revision as of 14:34, 27 March 2020
Line 43:		Line 43:

	Notice that table 8.2 has the "experimental" data for a collection of diatomic molecules. Let's compare the haloacids:		Notice that table 8.2 has the "experimental" data for a collection of diatomic molecules. Let's compare the haloacids:
		+	:- ''ṽ<sub>o</sub>'' (<sup>1</sup>H<sup>19(?)</sup>F) = 4138 cm<sup>-1</sup>
	:- ''ṽ<sub>o</sub>'' (<sup>1</sup>H<sup>35</sup>Cl) = 2991 cm<sup>-1</sup>		:- ''ṽ<sub>o</sub>'' (<sup>1</sup>H<sup>35</sup>Cl) = 2991 cm<sup>-1</sup>
		+	:- ''ṽ<sub>o</sub>'' (<sup>1</sup>H<sup>79(?)</sup>Br) = 2649 cm<sup>-1</sup>

← Older revision		Revision as of 14:32, 27 March 2020
Line 43:		Line 43:

	Notice that table 8.2 has the "experimental" data for a collection of diatomic molecules. Let's compare the haloacids:		Notice that table 8.2 has the "experimental" data for a collection of diatomic molecules. Let's compare the haloacids:
−	:- ''ṽ'' (<sup>1</sup>H<sup>35</sup>Cl) = 2991 cm<sup>-1</sup>	+	:- ''ṽ<sub>o</sub>'' (<sup>1</sup>H<sup>35</sup>Cl) = 2991 cm<sup>-1</sup>

← Older revision		Revision as of 14:32, 27 March 2020
Line 40:		Line 40:

	==Section 8.3==		==Section 8.3==
		+	READ section...
		+
		+	Notice that table 8.2 has the "experimental" data for a collection of diatomic molecules. Let's compare the haloacids:
		+	:- ''ṽ'' (<sup>1</sup>H<sup>35</sup>Cl) = 2991 cm<sup>-1</sup>

← Older revision		Revision as of 14:22, 27 March 2020
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	::- 4 K --> n<sub>1</sub> = 974		::- 4 K --> n<sub>1</sub> = 974
	:- So, lowering the temperature of your sample increases the number of systems in the lower energy and hence increases the "signal."		:- So, lowering the temperature of your sample increases the number of systems in the lower energy and hence increases the "signal."
		+
		+	'''''Spontaneous emission''''' is related to fluorescence and will ''not' be discussed any further here..
		+
		+	==Section 8.3==