J=0 J=1 J=2 J=3 J=4 J=5 E(J) E(J) vex með J E(J) = BJ(J+1)

Slides:



Advertisements
Similar presentations
Balance the following equation: 2 CH 3 OH + 3 O 2 → 2 CO H 2 O Answer the following: 1.How many mol of Oxygen (O 2 ) are needed to produce exactly.
Advertisements

Why do atoms form bonds? To attain a noble gas configuration. How do atoms form bonds? By gaining, losing, or sharing electrons. Gain or loss of electrons.
AB 11 22 33 44 55 66 77 88 99 10  20  19  18  17  16  15  14  13  12  11  21  22  23  24  25  26  27  28.
n = 1 n = 2 n = 3 :::: E n = 1 n = 2 n = 3 :::: E A A - B A(n=1) +B A(n=2) + B A(n=3) + B A(n=1) A(n=2) A(n=3) r AB.
C Cl: CH 3 H.. S N 2 ANIMATION ENERGY PROFILE R. C Cl: CH 3 H :Br:.. S N 2 ANIMATION ENERGY PROFILE R.
/ Líf í alheimi Stjörnufræði/eðlisfræði – efnafræði – lífvísindi – jarðvísindi/plánetufræði Atóm – efnatengi Efnatengi kolefnis Atóm og sameindir.
/ Líf í alheimi Stjörnufræði/eðlisfræði – efnafræði – lífvísindi – jarðvísindi/plánetufræði Atóm – efnatengi Efnatengi kolefnis Atóm og sameindir.
A + S ??? S 1 + S 2 ??? A + B C + D. A + S ??? S 1 + S 2 ??? A + B C + D.
II. Multi- photon excitation / ionization processes
Titrings- bylgju- föll; Líkindaföll/ Vibrational wavefunctions and probability functions: Bylgjuf.
/ Líf í alheimi Stjörnufræði/eðlisfræði – efnafræði – lífvísindi – jarðvísindi/plánetufræði Atóm – efnatengi Efnatengi kolefnis Atóm og sameindir.
 Litrófsstuðlar efna eru: Efni / sameindir B 1) D 1) CH OH E-4 CO NO E-6 1)
Rotational Spectra Simplest Case: Diatomic or Linear Polyatomic molecule Rigid Rotor Model: Two nuclei joined by a weightless rod J = Rotational quantum.
Exothermic and Endothermic Reactions. Exothermic reactions An exothermic reaction is a chemical change that releases energy. Where does the energy that.
Spectroscopic Analysis Part 4 – Molecular Energy Levels and IR Spectroscopy Chulalongkorn University, Bangkok, Thailand January 2012 Dr Ron Beckett Water.
Rates of Reaction Mrs. Coyle. How fast does aging occur?
Infrared Spectroscopy Gives information about the functional groups in a molecule.
Power and Energy Conversion
ROTATIONAL SPECTROSCOPY
Bond Enthalpies 5.4.  Chemical reactions involve the breaking and making of bonds.  To understand the energy changes in a chemical reaction, we need.
ENERGY EXCHANGES IN CHEMICAL REACTIONS
Tutorial – 4 1) Calculate the moment of inertia (I) and bond length (r) from microwave spectrum of CO. First line (J = 0 to J=1 transition) in the rotation.
Microwave Spectroscopy Wave length ~ 1 cm to 100  m Wave number ~ 1 to 100 cm -1. Frequency ~ 3 x to 3 x Hz Energy ~ 10 to 1000 Joules/mole.
Enthalpy. Internal Energy Equation  ΔE = Q + W = Q + PΔV  If the reaction is carried out at a constant volume (ΔV = 0), then ΔE = Q  If volume is constant,
Absorption Spectroscopy
© HCCCCCNHCCCCCN A rotating dipolar molecule generates radio waves that can be detected by microwave spectroscopy.
ΜΕΤΑΣΥΛΛΕΚΤΙΚΗ ΦΥΣΙΟΛΟΓΙΑ ΕΡΓΑΣΤΗΡΙΟ 3. Μετασυλλεκτική Εργ3-Λιοσάτου Γ.2 ΒΙΟΛΟΓΙΚΟΙ ΠΑΡΑΓΟΝΤΕΣ ΠΟΥ ΕΠΗΡΕΑΖΟΥΝ ΤΗ ΦΘΟΡΑ ΤΩΝ ΟΠΩΡΟΚΗΠΕΥΤΙΚΩΝ Αναπνοή Η λειτουργία.
6.  Molecular spectroscopy / Litrófsgreining sameinda;
Ákvarðanatré (Decision Trees)
Breaking and making bonds
UNIT 2 NATURE’S CHEMISTRY.
verðbréfa- markaður lánamarkaður lífeyris- markaður vátrygginga-
التنفس فى النبات: Respiration
Coplanar lines that don't intersect.
Nýjir Komatsu vegheflar
Rotational and Vibrational Spectra
Heimildaleit og heimildavinnsla
Staðlar um samfélagslega ábyrgð og fleira áhugavert
Unit 5: Thermochemistry
Geðheilsuþjónusta fyrir foreldra á meðgöngu og ungbarnafjölskyldur
اثرات گرمايش جهاني تغييرات آب و هوا، تأثيرات عميق و شديدي بر بسياري از عوامل اساسي موثر بر سلامت از جمله : آب، غذا، هوا و محيط زيست دارد كه اين مورد خود.
Photochemistry Ljósefnafræði, hefur áhuga á efnafræðilegum áhrifum ljóss Efni örvað með ljóseindum (e.photons) úr grunnástandi í örvað ástand Efni aförvast.
Do Re Mi Do- A deer, a female deer Re- A drop of golden sun Mi- A name I call myself Fa- A long, long way to run So- A needle pulling thread La- A note.
13 Energetics Answers to Test yourself questions
Rigid Diatomic molecule
This is the far infra red spectrum of the diatomic molecule CO
I = μr2 μ = m1m2/(m1+m2) I (uÅ2) = / B(cm-1)
Sigríður H. Gunnarsdóttir 27. febrúar 2008
Jay C. Amicangelo, Ian Campbell, and Joshua Wilkins
Sustainable Heritage Areas: Partnerships for Ecotourism
P tengja kerfi.
EÐL605G / Líf í alheimi Stjörnufræði/eðlisfræði – efnafræði – lífvísindi – jarðvísindi/plánetufræði Atóm – efnatengi Efnatengi kolefnis Atóm og sameindir.
Almar Miðvík Halldórsson Verkefnisstjóri PISA
CO Laboratory rotational infrared spectrum
Types of Reactions.
How do you calculate the moment of inertia of a polyatomic molecule
Leikir í frístunda- og skólastarfi
Hefðbundin litrófsgreining; Gleypni / Absorption spectroscopy:
How do I get experimental information on bond lengths in simple
Orðasöfn, gagnabankar og vefurinn
Skólapúlsinn ársuppgjör 08-09
Basic Positions net defense zone defense zone attack zone
Light and the electron.
Infrared Spectroscopy…
Lýðræðisstefna Mosfellsbæjar
Basic Positions net defense zone defense zone attack zone
Far infrared rotational spectrum of CO J= B
Þjóðarstolt eða samrunaþrá
Þóra Margrét Þorgeirsdóttir
Vibrational Energy Levels
Presentation transcript:

J=0 J=1 J=2 J=3 J=4 J=5 E(J) E(J) vex með J E(J) = BJ(J+1)

- +

+ + - + nAB nhn E nAB = nhn

L(J),E(J),örvun Hverfiþungi snúnings: Orkuþrep: Grunnregla:

2

3 Hverfiþungi snúnings: Orkuþrep:

4

Útlit,hv.tregður Hverfitregða sameinda Útlit rófa

Örbylgjulitrófsgreining Línulegra sameinda Línul.sam. Örbylgjulitrófsgreining Línulegra sameinda

Upplýsingaöflun úr örbylgjugreiningu:

Frávik frá “kjörhegðun”: Raunhegðun og uppl. Upplýsingaöflun úr örbylgjugreiningu: Frávik frá “kjörhegðun”:

Örbylgjulitrófsgreining Fjölatóma sameinda: Kúlu-og top-samhv. Örbylgjulitrófsgreining Fjölatóma sameinda:

Örbylgjuróf vs. snúningsþrep og tilfærslur E/ orka D = 2BJ J=4 J-1 Bil milli toppa = 2BJ – 2B(J-1) = 2B D = 2B(J-1) J=3 J=2 J=0 Almennt: J-1 -> J E(J) = BJ(J+1) Dæmi 3 -> 4 2B Abs. Örbylgju- litróf: 2BJ

Microwave spectrum vs. Rotational energy levels and transitions J E/ energy D = 2BJ J=4 J-1 Spacing between peaks= 2BJ – 2B(J-1) = 2B D = 2B(J-1) J=3 J=2 J=0 General: J-1 -> J E(J) = BJ(J+1) example 3 -> 4 2B Abs. Microwave spectrum: 2BJ

Örbylgjulitróf efnanna AB = CH, OH, CO og NO, í geimryki: EEB Örbylgjulitróf efnanna AB = CH, OH, CO og NO, í geimryki: Tegunda- og hitagreiningar Ákvarða AB, T Litrófsstuðlar efna eru: Efni / sameindir B 1) D 1) CH 14.46 0.00145 OH 18.91 19.4E-4 CO 1.931 0.00000636 NO 1.672 0.54E-6 1) http://webbook.nist.gov/chemistry/form-ser.html.en-us.en

Örbylgjulitróf efnanna AB = CH, OH, CO og NO, í geimryki: EE4 Örbylgjulitróf efnanna AB = CH, OH, CO og NO, í geimryki: Tegunda- og hitagreiningar Ákvarða AB, T Litrófsstuðlar efna eru: Efni / sameindir B 1) D 1) CH 14.46 0.00145 OH 18.91 19.4E-4 CO 1.931 0.00000636 NO 1.672 0.54E-6 1) http://webbook.nist.gov/chemistry/form-ser.html.en-us.en

OH

OH

OH 150