ch3br, 121109 relative ion intensities for chn+: rydberg system 69938 and nearby background...

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CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to date agust, heima, ....Nov09/CH3Br17450_17570vhw-111109vhw-121109ak.pxp agust, www, ......Nov09/PPT-121109ak.ppt agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-121109ak.pxp agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-131109ak.pxp

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Page 1: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

CH3Br, 121109

Relative ion intensities for CHn+:Rydberg system 69938 and nearby background (70257.2)&C atomic lines&Summary of REMPI spectra up to date

agust, heima, ....Nov09/CH3Br17450_17570vhw-111109vhw-121109ak.pxpagust, www, ......Nov09/PPT-121109ak.pptagust, heima, ....Nov09/CH3Br-Overall +mass-041109km-121109ak.pxpagust, heima, ....Nov09/CH3Br-Overall +mass-041109km-131109ak.pxp

Page 2: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

17.485

17.480

17.475

x103

15010050

hv(Laser)

pnt(->Mw)

Page 3: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

Summed over approximatelly 17482.398 – 17486.635 cm-1 (hv(Laser)),i.e. Pnt(nju) = 108 – 167, i.e. To optain representative mass spectrum for the Rydberg state system:

-25

-20

-15

-10

-5

0

x103

17.5617.5417.5217.5017.48x10

3

hv(Laser)

agust, heima, ....Nov09/CH3Br17450_17570vhw-111109vhw-121109ak.pxp:

Page 4: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

-300

-200

-100

0

x103

150100500

CH3+

C+

agust, heima, ....Nov09/CH3Br17450_17570vhw-111109vhw-121109ak.pxp:

C2+

pnt

Page 5: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

Background signal: derived by summing over points 918 – 957 (40 points), ca:

-25

-20

-15

-10

-5

0

x103

17.5617.5417.5217.5017.48x10

3

agust, heima, ....Nov09/CH3Br17450_17570vhw-111109vhw-121109ak.pxp:

Page 6: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

10

8

6

4

2

0

x1

03

150100500

CH3+

C+

agust, heima, ....Nov09/CH3Br17450_17570vhw-111109vhw-121109ak.pxp:

Page 7: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

1.0

0.8

0.6

0.4

0.2

0.0

-0.2

x106

150100500

Comparison:

Bgr x100

CH3+

C+

ImpuritySignalC2+

agust, heima, ....Nov09/CH3Br17450_17570vhw-111109vhw-121109ak.pxp:

C2+Mw=24

Page 8: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

-600

-400

-200

0

x103

200150100500

After slope correction(i.e. After subtraction of ((903400/147)-(903400/147)*10)) of the bgr mass spectrum:

Bgr x100

Page 9: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

1615141312

80

78

76

74

72

70

68

66

x103

2hv

Mw

CH3+

C+(partly due to impurities)

66022

66503

67275

68675

68882

75395

75887

76672

77165

77841

78393

78410

79195

79594

69938

New (121109)

agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-121109ak.pxp:

Page 10: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

80

78

76

74

72

70

68

66

x10

3 agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-121109ak.pxp:

Page 11: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

70.0

69.5

69.0

68.5

x103

C atomic lines

69938 Rydberg system (with oscillations)

agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-121109ak.pxp:

Page 12: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

50

40

30

20

10

0

70.270.069.869.669.469.269.0x10

3

C atomic lines

69938 Rydberg system (with oscillations!)

agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-121109ak.pxp:

Page 13: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

200

150

100

50

0

80787674x10

3

Originating from Wang:...Sept10/CH3Br 16500_20400-291009vhw.pxp: CH3+ scanned spectraOriginating from Wang:...Sept10/CH3Br 16500_20400-291009vhw.pxp: C+ spectrum

agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-121109ak.pxp:

Page 14: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

Relative ion intensities for CHn+ for Rydberg system 69938 cm-1 and nearby background fits nicely into trend of relative intensities as seen in slide 9:i.e.

•Increasing weight of CHn+; n = 2,1 as wavenumber increases and•Almost same realitive intensity for background as for Rydberg + bagr.

Page 15: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

100

80

60

40

20

0

7069686766x10

3

agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-121109ak.pxp:

Page 16: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

nm

100

80

60

40

20

0

7069686766x10

3

C+NEW:

Page 17: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

150

100

50

0

80787674x10

3

1hv2hv3hv

agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-121109ak.pxp:

Page 18: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

120

100

80

60

40

20

0

81.080.980.880.780.680.580.4x10

3

(1/2)4f;1 (1/2)4f;0+(3/2)5f;1/0

(3/2)6d;0 (1/2)5d;0

(3/2)6d;2 (1/2)5d;2

(3/2)6d;0

(1/2)5d;0

(1/2)4f;1

(1/2)4f;0+(3/2)5f;1/0

agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-121109ak.pxp:

Page 19: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

120

100

80

60

40

20

0

80.079.879.679.479.279.0x10

3

(3/2)7p;0(3/2)7p;0

agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-121109ak.pxp:

Page 20: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

200

150

100

50

0

78.678.578.478.378.278.1x10

3

(3/2)5d;2

(1/2)6p;2

(1/2)6p;0

(3/2)5d;0

1hv2hv3hv

(1/2)6p;2

(1/2)6p;0

(3/2)5d;1+

(1/2)6p;0

agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-131109ak.pxp:

Page 21: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

120

100

80

60

40

20

0

78.178.077.977.877.777.677.5x10

3

1hv2hv3hv

(3/2)4f;1 (3/2)4f;0

(3/2)4f;1

agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-131109ak.pxp:

Page 22: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

120

100

80

60

40

20

0

77.677.477.277.076.876.6x10

3

1hv2hv3hv

(3/2)4f;1 (3/2)4f;0

agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-131109ak.pxp:

Page 23: CH3Br, 121109 Relative ion intensities for CHn+: Rydberg system 69938 and nearby background (70257.2) & C atomic lines & Summary of REMPI spectra up to

120

100

80

60

40

20

0

76.476.276.075.875.675.475.275.0x10

3

1hv2hv3hv

(1/2)4d;0(3/2)6p;1(1/2)4d;1

(1/2)4d;0

(3/2)6p;2

(3/2)6p;0

(3/2)6p;0

(3/2)6p;0

agust, heima, ....Nov09/CH3Br-Overall +mass-041109km-131109ak.pxp: