PCh8 Lec2 - Revision history

Bes: /* Question 1 */

2020-03-27T19:18:12Z

Question 1

2020-03-27T19:17:57Z

Question 1

2020-03-27T19:16:19Z

Question 1

2020-03-27T19:14:27Z

Section 8.6

2020-03-27T19:12:18Z

Question 1

2020-03-27T19:06:48Z

Section 8.6

2020-03-27T19:02:59Z

Question 1

2020-03-27T19:00:50Z

Question 1

2020-03-27T18:10:37Z

Question 1

2020-03-27T18:09:55Z

Question 1

← Older revision		Revision as of 19:18, 27 March 2020
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	:::::Average ''B'' = ? <-- this value should be very close to your determined value.		:::::Average ''B'' = ? <-- this value should be very close to your determined value.

−	'''End of Chapter 8 material''	+	'''End of Chapter 8 material'''

← Older revision		Revision as of 19:17, 27 March 2020
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	::- highest value is ''[ν(m-value = +5) - ν(m-value = -5)]/2'' =~100 1/cm = 10''B'', so ''B''=~10		::- highest value is ''[ν(m-value = +5) - ν(m-value = -5)]/2'' =~100 1/cm = 10''B'', so ''B''=~10
	:::::Average ''B'' = ? <-- this value should be very close to your determined value.		:::::Average ''B'' = ? <-- this value should be very close to your determined value.
		+
		+	'''End of Chapter 8 material''

@@ Line 46: / Line 46: @@
 ===Question 1===
-Can you calculate the transition frequencies in <sup>1</sup>H<sup>35</sup>Cl for the 5 rotational/microwave transitions shown ?
+Considering that the separation of the rotational energy levels is the same in all vibrational levels, can you calculate the rotational transition frequencies in <sup>1</sup>H<sup>35</sup>Cl for the 5 rotational/microwave transitions shown in the diagram?
 :Answer:
 ::- smallest value is ''[ν(m-value = +1) - ν(m-value = -1)]/2'' = ~20 1/cm = 2''B'', so ''B''=~10
@@ Line 53: / Line 53: @@
 ::- next higher is ''[ν(m-value = +4) - ν(m-value = -4)]/2'' = ~80 1/cm = 8''B'', so ''B''=~10
 ::- highest value is ''[ν(m-value = +5) - ν(m-value = -5)]/2'' =~100 1/cm = 10''B'', so ''B''=~10
-:::::Average B = ?  <-- this value should be very close to your depetemined value.
+:::::Average ''B'' = ?  <-- this value should be very close to your determined value.

@@ Line 38: / Line 38: @@
 READ...
-So Monmouth College does not have a rotational spectrometer, but we are not alone. Rotational spectroscopy, or microwave spectroscopy is not a very common technique. As you saw with the HCl IR spectrum, we can get rotational information out of a gas phase IR experiment. I will remind you that although we got rotational information out of the IR experiment, we never actually caused a transition between rotations state.
+So Monmouth College does not have a rotational spectrometer, but we are not alone. Rotational spectroscopy, or microwave spectroscopy is not a very common technique. As you saw with the HCl IR spectrum, we can get rotational information (''B'', and then ''r'') out of a gas phase IR experiment. I will remind you that although we got rotational information out of the IR experiment, we never actually caused a transition between rotations state.
 I want to discuss this HCl spectrum previously collected and an energy level diagram:
@@ Line 46: / Line 46: @@
 ===Question 1===
-Can you calculate the transition frequencies for the 5 rotational/microwave transitions shown?
+Can you calculate the transition frequencies in <sup>1</sup>H<sup>35</sup>Cl for the 5 rotational/microwave transitions shown ?
 :Answer:
 ::- smallest value is ''[ν(m-value = +1) - ν(m-value = -1)]/2'' = ~20 1/cm = 2''B'', so ''B''=~10

@@ Line 48: / Line 48: @@
 Can you calculate the transition frequencies for the 5 rotational/microwave transitions shown?
 :Answer:
-::- smallest value is ''[ν(m-value = +1) - ν(m-value = -1)]/2''
+::- smallest value is ''[ν(m-value = +1) - ν(m-value = -1)]/2'' = ~20 1/cm = 2''B'', so ''B''=~10
-::- next higher is ''[ν(m-value = +2) - ν(m-value = -2)]/2''
+::- next higher is ''[ν(m-value = +2) - ν(m-value = -2)]/2'' = ~40 1/cm = 4''B'', so ''B''=~10
-::- next higher is ''[ν(m-value = +3) - ν(m-value = -3)]2''
+::- next higher is ''[ν(m-value = +3) - ν(m-value = -3)]2'' = ~60 1/cm = 6''B'', so ''B''=~10
-::- next higher is ''[ν(m-value = +4) - ν(m-value = -4)]/2''
+::- next higher is ''[ν(m-value = +4) - ν(m-value = -4)]/2'' = ~80 1/cm = 8''B'', so ''B''=~10
-::- highest value is ''[ν(m-value = +5) - ν(m-value = -5)]/2''
+::- highest value is ''[ν(m-value = +5) - ν(m-value = -5)]/2'' =~100 1/cm = 10''B'', so ''B''=~10

@@ Line 43: / Line 43: @@
 :::[[File:Screen Shot 2020-03-27 at 12.35.55 PM.png|650px]]
-:[[File:Screen Shot 2020-03-27 at 12.57.10 PM.png|600px]]
+:[[File:Screen Shot 2020-03-27 at 2.04.24 PM.png|600px]]
 ===Question 1===

@@ Line 48: / Line 48: @@
 Can you calculate the transition frequencies for the 5 rotational/microwave transitions shown?
 :Answer:
-::- smallest value is ''ν(m-value = -1) - ṽ<sub>o</sub>''
+::- smallest value is ''[ν(m-value = +1) - ν(m-value = -1)]/2''
 ::- next higher is ''ν(m-value = -2) - ν(m-value = +2)''
 ::- next higher is ''ν(m-value = -3) - ν(m-value = +3)''
 ::- next higher is ''ν(m-value = -4) - ν(m-value = +4)''
 ::- highest value is ''ν(m-value = -5) - ν(m-value = +5)''

@@ Line 49: / Line 49: @@
 :Answer:
 ::- smallest value is ''ν(m-value = -1) - ṽ<sub>o</sub>''
-::- next higher is ''ν(m-value = -2) - ''ν(m-value = +2)
+::- next higher is ''ν(m-value = -2) - ν(m-value = +2)''
-::- next higher is ''ν(m-value = -3) - ''ν(m-value = +3)
+::- next higher is ''ν(m-value = -3) - ν(m-value = +3)''
-::- next higher is ''ν(m-value = -4) - ''ν(m-value = +4)
+::- next higher is ''ν(m-value = -4) - ν(m-value = +4)''
-::- next higher is ''ν(m-value = -5) - ''ν(m-value = +5)
+::- next higher is ''ν(m-value = -5) - ν(m-value = +5)''