Wed Mar 11
Exam 3 (outside of class) 2 pm until ? Rm TBA probably 101
Notes getting ready for this...
1. You would be suprised if I didn't expect you to know the ideas missed on Quiz #6.
2.
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Tue Mar 10
Redox Ch 6
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Thu Mar 5
Finish oxides and M(OH2)62+
Lewis acids and bases
Frustrated Lewis pairs
Pi acids, Pi bases
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Wed Mar 4 No office hours today. I am in LR all day at the capitol.
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Tue Mar 3
Quiz # 6 today over solids key
Due Literature Study #3 Solids using Mercury
Solvent leveling, acid/base strength some A/B slides
oxoacid trends
oxides
M(OH2)62+ esp Fe3+ and Al3+
READ: Sec 5.1-5.5, 5.12
WORK: Ex 5.2-6, 9-12
CHEM 3150 2:40 - 5:30 pm today MAN 101 link to 3150 page
Day 2 Second rotation . Adam, Ingram, Ian all come with your spectra plotted as per my email.
You must have the UVvis of your two compounds assigned. Emma, I will have copies for you.
Be sure and look over the M complex lab instructions. Especially review my TS notes as well as
Sections 8.3 and pages 568 - 595 of the text.
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Thu Feb 26
Holes Td and Oh number, location, size
Ionic survey slides for today
perovskites
spinel and Magnet Cove, AR
WORK Ch 4: Ex 8-12, 15,16,19,21-23,26
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Tue Feb 24
Ch 4 solids
Asymmetric unit some figures from lecture here
Unit cells (a,b,c, alpha, beta, gamma)
Sphere packing primitive ccp hcp
Radii of atoms depending on nearest neighbors
Properties from crystal structure
Coordination number for M's vs for ionics
READ Sec 4.1- 4.10
DOWNLOAD Free copy of Mercury to use in class and for Literature Study #3
USE your free copy of Mercury to review some of these crystal packing files
WORK Ch 4 Ex 3, 5-7
CHEM 3150 2:40 - 5:30 pm today MAN 302 link to 3150 page
Day 1 Second rotation Come properly attired, with goggles and your notebook.
Each of you will be assigned a pair of metal complexes to study for this rotation.
Due today in lab, minor reports for your 2nd lab finished last week,
Adam will do: [Co(en)3]^3+ vs [Cr(en)3]^3+ both as their chloride salts
Ingram will do: [Co(NH3)6]^3+ vs [Co(NH3)5(NO2)]^2+ both as their chloride salts
Ian will do: [CrCl2(OH2)4]^+ vs [Cr(OH2)6]^3+ 1st as CrCl3.6H2O(s) 2nd as NO3- salt
"DO" means on day 1 all will work together to record a array of measurements of these complexes as their salts. This includes UVvis, IR, Magnetic Susceptibility, (and NMR for diamagnetic Co(III) systems). We will be busy. Plan to make about 3 mL of 0.02 M (aq) solutions of all of these for UVvis. Ian's are extremely hygroscopic, ATR IR will be about the only way. Adam and Ingram can make KBr pellets or do ATR IR.
Next week (Mar 3) you will bring beautifully plotted spectra, with your UVvis plotted as molar absorptivity vs energy (in cm-1). We will spend Mar 3 dissecting these spectra.
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Thu Feb 19 Exam 2 (Ch 3 and Sec 8.5) key comments about the exam
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Tue Feb 17
Quiz #5 Due by email to me take home ChemCompute assignment #2
Literature Study #2 Due in Bb by 8 am this morning TOPIC for #2: Symmetry
my SF6 work
Symmetry and: notes and slides
Chirality,
polarity,
spectroscopy UVvis, IR, Raman
WORK: Exercises Ch 3: 1-8, 12, 14 -17 Tutorial Problems 3.1 - 4
CHEM 3150 2:40 - 5:30 pm today MAN 302 link to 3150 page
Fourth day (and final) First rotation Come properly attired, with goggles and your notebook.
NMR on Feb 17 is not possible during lab; Carter and Singleton Organic 2 need it all day.
Adam: rotovap down THF soln, then IR
Ingram: Al-dye tests by UV-vis (would like to also do by NMR, but maybe next year)
Ian: One more NMR is we can of a sample that has been sitting, but need to do it Monday Feb 16
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Thu Feb 12
Quiz #4 key Exercises Ch 3: 1-8 fair game for this quiz
SALC's and NH3, OH2 and BH3 MO diagrams slides for today
Reconsider CO, ICl, SF6 my SF6 work
Transition metal Oh complexes
Symmetry and: notes and slides
Chirality,
polarity,
spectroscopy
WORK Exercises Ch 3: 1-8, 12, 14 -17 For 12 do for CH4 as we did for NH3, BH3, H2O in class
WORK ChemCompute Assignment #2 as take home Quiz #5. Due Tue Feb 17
Literature Study #2 due Feb 17 TOPIC for #2: Symmetry applied to chemistry (look for MO calcs or spectroscopy)
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Tue Feb 10
Practice determining point groups Introduction to Otterbein symmetry tutorial
Character tables (See resources on p 918 of text)
degeneracy, AO symmetries notes on charac. tables
Symmetry and MO's
choose the basis set
use Char table to assign central atom AO symmetries
develop SALC's for terminal atoms see p 922
arrange AO's according to relative energies (as in Ch 2)
READ Ch 3
WORK Exercises Ch 3: 1-8
WORK ChemCompute Assignment #2 as take home Quiz #5. Due Tue Feb 17
CHEM 3150 2:40 - 5:30 pm today MAN 302 link to 3150 page
Third lab day First rotation Come properly attired, with goggles and your notebook.
Adam is doing ..... Ammine borane inert atmosphere Schlenk synthesis
Ian is doing .....ATP hydrolysis make solutions, then P-31 NMR
Ingram is doing .....Al3+ solution chemistry 27Al NMR
DUE today in lab: minor report for your first lab (or let me know and I will expect your major report a week from now).
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Thu Feb 5
Symmetry Ch 3 some slide from notes
symmetry elements: rotation axes, mirror planes, inversion centers , improper rotation
point group symmetry symmetry practice answers (don't look until you practice)
character tables (see Resource Section 4 of textbook)
READ Ch 3
WORK Exercises Ch 3: 1-6
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Tue Feb 3 Exam 1 (Ch 1 and 2) key comments about the exam
CHEM 3150 2:40 - 5:30 pm today MAN 302 link to 3150 page
Second lab day First rotation Come properly attired, with goggles and your notebook.
Adam is doing the ATP hydrolysis adding ZnCl2 make solutions, then P-31 NMR
Ian is doing the WO3 H2 intercalation checking
Ingram is doing the Co-ONO isomerism monitor Co-ONO to Co-NO2 by ATR IR also UVvis
Do not leave lab today without knowing what will be included in your writeup (minor) due next week.
Today you will be working independently. I am a fan of not wasting time during lab.
Come prepared. Ask any questions you have about procedures, etc. BEFORE today's lab period.
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Mon Feb 2
I am in my office all day, except for a break to get my eyeglasses early, before 9 am. Stop by my office, email me, or call with any questions before Tuesday's exam.
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Thu Jan 29
These frigid overnight temperatures have continued to slow the clearing of secondary roads and parking lots throughout the region. While the warming of Tuesday afternoon began to help, travel around the area and access to major thoroughfares and drives remains highly impacted. UCA will continue remote instruction Thursday, Jan. 29, and campus operations will continue to be limited to essential services and personnel. Faculty will communicate with students regarding any virtual assignments and/or adjustments to the syllabus and course schedule.
Quiz #3 Due first thing key (as a video) ChemCompute Assignment as take home Quiz #3.
9 am - 10 am zoom today Use the office hour link below.
Because all of the lecturing is essentially done as of Jan 27 (videos posted), we can use this day as a valuable review day for next Tue's planned first exam.
I will physically be in my office today about 9 am - 2 or 3 pm to babysit a reaction while I do other work. Call or stop by if you want F2F Q&A.
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Wed Jan 28
Normal office hours today 8 am and at 12 pm via Zoom. Drop in if you need me.
Join Zoom office hours here
https://uca-edu.zoom.us/j/8834692445?pwd=VDYwSjloOUdlOVFWdVZ4R3VKT004Zz09
Meeting ID: 883 469 2445
Passcode: 519489
Prolonged freezing temperatures have continued to slow the clearing of roads and parking lots throughout the region. Travel remains highly impacted. UCA will continue remote instruction Wednesday, Jan. 28, and campus operations will be limited to essential services and personnel. Faculty will communicate with students regarding any virtual assignments and/or adjustments to the syllabus and course schedule.
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Tue Jan 27
With snow and ice falling throughout the weekend, accompanied by frigid temperatures, travel and access have been highly impacted and show no signs of abating through Tuesday. UCA will continue remote instruction for both Monday, Jan. 26, and Tuesday, Jan. 27, and campus operations will be limited to essential services and personnel. Faculty will communicate with students regarding any virtual assignments and/or adjustments to the syllabus and course schedule.
What this means for us is I will record videos of the lecture we would have had on Tue morning. You will watch the videos, taking notes, asking questions (email or phone) as you would have if we had been F2F. So sleep in, but spend much needed time working.
MO's of XY like CO, NO, etc. slides I made for these videos
Weighted contributions to MO's Video (7:32)
CO MO diagram and associated M-CO chemistry Video (11:04)
NO MO diagram, compare to Gaussian output Video (6:02)
HX, ICl MO diagrams Video (4:39)
3c, 2e bonds B2H6 M-agostic H Video (5:32)
bands, infinite #'s of MO's Video (8:19)
WORK Ch 2: Exercises 20-28, 30-32 Tutorial Problem 2.2
I am available all day, anytime, to zoom. I will check my email until about 3 pm. If you want to talk, call my office number or send an email, and I will meet you by zoom. I am happy to answer any questions about assigned practice HW, lecture topics or your ChemCompute assignment that will still be due on Thu.
3150 lab Day 2 of first rotation CANCELED due to weather
All need to carefully read the points I ask for in writeups for their lab. This should inform what additional lab work you will plan to do today. You will notice in these points more questions than you have lab time to address in only two days of lab work. Check with me about what is possible to be done in this final lab period.
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Thu Jan 22
Quiz #2 key Topic: content through Tue's lecture, assigned exercises
Finish H2 MO description
MO diagrams of X2 bring these slides to use in lecture
N2 fixation
Singlet O2
O2 bonded to Hb, other oxo-species
XPS spectra and MO diagrams
Is there pi bonding in F2?
READ Ch 2
WORK Ch 2: 20-28, 30, 31
Keep WORKing ChemCompute Assignment as take home Quiz #3. Due Thu Jan 29
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Tue Jan 20
Literature Study #1 due in Bb by 8 am today. TOPIC for #1: Atomic structure (Ch 1)
DUE from 3150 lab printed five figures with captions
Dot structures, bonding
Must have these skills to succeed in this chapter (and the rest of the semester)
See my CHEM 1450 videos if you are rusty on any of these essential chemistry skills.
Dot structures when octet is followed Video
Dot structures for free radicals (where to put the lone electron?)
Dot structures for expanded octets
Formal charges to defend dot structures (esp. for ions) Video
Resonance and its averaging effect on molecular properties Video
Also must thoroughly know the VSEPR model of molecular shape
See related videos on my 1450 page
Atomic orbitals, molecular orbitals bring these notes
AO vs MO's similarities and differences
bonding, antibonding, nonbonding
READ Ch 2
WORK Ch 2 Exercises 1-14, 16-17, 19
Begin WORKing ChemCompute Assignment as take home Quiz #3. Due Thu Jan 29
See Course Tools on 4380 main page for Chem Compute introductory videos.
CHEM 3150 2:40 - 5:30 pm today MAN 302 link to 3150 page
First lab day First rotation Come properly attired, with goggles and your notebook.
Adam is doing the ATP hydrolysis make solutions, then P-31 NMR
Ian is doing the WO3 H2 intercalation make HnWO3, then measure conductance
Ingram is doing the Co-ONO isomerism synth of Co-ONO isomer first thing
Today you will be working independently. I am a fan of not wasting time during lab.
Come prepared. Ask any questions you have about procedures, etc. BEFORE today's lab period.
CHEM 3150 Practice assignment feedback.
Inexplicably, it appears most everyone did not carefully go down my checklist of wants for submitted work.
Lots (too much) was missing or not done as I asked. You have 24 h to fix it.
Some things to fix:
Solvent!??? Guess how many never told me what solvent a UVvis or NMR was run in?
y axis starts at zero, not negative (for UVvis, IR, NMR spectra)
KBr or ATR, manner in which IR was recorded
Scaling. Some used odd 400 -- 900 -- 1400 truly odd scalings
You must use normal values like 500 -- 1000 -- 1500
This is not an exhaustive list above, but it highlights common major errors.
I'll expect improvements sent to me via email by 3 pm Wed Jan 21. If you are content with your first attempt (hope not), do nothing, and I'll grade that.
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Thu Jan 15
Quiz 1 key Ch 1 lecture and HW through Jan 13 lecture.
Ionization energies
Electron affinities
Start dot structures and bonding PO43-, NO, NO+, HArF practice
WORK Ch 1 Exercises 18-31
READ CH 2
CHEM 3150 Note
The First day practice file has been updated to include the link for 31-P and 1-H data files. All data files to be plotted
are in this document.
See just beneath the first day practice link a new link to what I hope is a helpful video showing you how to make
nice spectral plots. What you hand in will be nice, so nice your mother would tape several copies to the fridge.
I need to know well before next Tue, which one of the first rotation labs you plan to do. Be sure and READ CAREFULLY
the posted lab information and any associated links.
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Tue Jan 13
Finish quantum numbers See this plot of atomic orbitals with n, l. Do these plots make sense?
Electron configuration points bring these notes
Atomic properties
Atom sizes (coordination number)
Ionization energies
1. defining equation, phases
2. relation to electronic structure
WORK Ch 1: Exercises 11-17
READ Ch 1
CHEM 3150 2:40 - 5:30 pm today MAN 302 link to 3150 page
First lab activity today Come properly attired, with goggles and your notebook.
Complete the online safety agreement in order to be allowed to work in lab.
Today you will practice how to
manipulate solutions on a vacuum/Schlenk line
record UV-vis spectra on our Cary instruments see notes on instruments
make a KBr pellet for infrared analysis
record IR on our FTIR instrument with samples as KBr pellets and by ATR
tune our FT NMR to 13-C and 31-P
record the 1-H and 31-P NMR spectra of PPh3
represent all of these different kinds of data as Excel plots (graded work)
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From Dean Addison
I wanted to make sure that you know that we are currently experiencing extremely high levels of flu cases. I encourage each of you to get vaccinated and to encourage students to get vaccinated. For those of you who are teaching classes, please encourage students who may have the flu to remain at home. This flu is widespread and severe.
You don't want the flu and neither do I. Be careful. Wash your hands all the time. Get vaccinated if you haven't already.
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Thu Jan 8 2026
Patterns
PIB wavefunctions: patterns bring these notes
H(Psi) = E(Psi)
shielding p 11, p 17
estimating Zeff and s shielding parameter see these notes on shielding parameters
Radial and angular parts of Psi p 13, 14
RESPOND to this survey of possible office hours. Need this feedback from you ASAP.
READ Ch 1
READ the syllabus Video of syllabus highlights
WATCH: Video introduction of me/this class
WORK: Ch 1 Exercises 1 - 5, 9