New User Special Price Expires in

Let's log you in.

Sign in with Facebook


Don't have a StudySoup account? Create one here!


Create a StudySoup account

Be part of our community, it's free to join!

Sign up with Facebook


Create your account
By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here


by: Brady Spinka


Brady Spinka
GPA 3.98

John Colapret

Almost Ready


These notes were just uploaded, and will be ready to view shortly.

Purchase these notes here, or revisit this page.

Either way, we'll remind you when they're ready :)

Preview These Notes for FREE

Get a free preview of these Notes, just enter your email below.

Unlock Preview
Unlock Preview

Preview these materials now for free

Why put in your email? Get access to more of this material and other relevant free materials for your school

View Preview

About this Document

John Colapret
Class Notes
25 ?




Popular in Course

Popular in Chemistry

This 3 page Class Notes was uploaded by Brady Spinka on Monday September 7, 2015. The Class Notes belongs to CH 318N at University of Texas at Austin taught by John Colapret in Fall. Since its upload, it has received 7 views. For similar materials see /class/181876/ch-318n-university-of-texas-at-austin in Chemistry at University of Texas at Austin.




Report this Material


What is Karma?


Karma is the currency of StudySoup.

You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 09/07/15
CH 318N Dr John A Colapret Useful Spectroscopic Data Important Infrared Absorptions Type of Absorption CiH stretch CC stretch 7CHCH2 CCH2 others C7H stretch C7H bend 7CHCH2 E F O E to 0 C E E 0 0 0 Em 07H stretch C70 stretch CEC stretch ECiH stretch CC stretch CiH bend overtone CO stretch ordinary x3unsaturated benzaldehydes CiH stretch CO stretch ordinary x3unsaturated aryl ketones Frequency cm39l Intensity Comment Alkanes 285073000 In occurs in all compounds With aliphatic CiH bonds Alkenes 1640 In 1655 In 166071675 w 300073100 m not observed if alkene is symmetrical 9107990 s 890 s 960980 s 6757730 s position is highly variable 8007840 s Alcohols and Phenols 320073400 s 105071250 S also present in other compounds With C70 bonds ethers esters etci Alkynes 210072200 In not present or weak in many internal alkynes 3300 s present only in terminal alkynes Aromatic Compounds 1500 1600 s two absorptions 6507750 s 166072000 W Aldehydes 172071725 s 168071690 s 1700 s 2720 In Ketones 171071715 s 167071680 s 168071690 s increases With decreasing ring size Important Infrared Absorptions continued CO stretch ordinary benzoic acids 07H stretch CO stretch CO stretch CO stretch CO stretch NiH bend NiH stretch CEN stretch NiH stretch 1710 s 168071690 s 240073000 s 1735 s 1800 s 1760 1820 s 165071655 s 1640 s 320073400 m 2007250 In 320073375 m Carboxylic Acids very broad Esters and Lactones increases With decreasing ring size Acid Chlorides second weaker band sometimes observed at 170071750 Acid Anhydrides two bands increases With decreasing ring size in cyclic anhydrides Amides and Lactams increases With decreasing ring size doublet absorption observed for some primary amides Nitriles Amines several absorptions sometimes observed especially for primary amines Characteristic 1H NMR Chemical Shifts Type 0nydr0gen R 2 alkyl Ar myl CH34Si RCH3 RCHZR R3CH R2CCRCHR2 ArC H3 ArC HZR ROH RCHZOH RCHZOR RZNH RCCH3 Chemical Shift cf 0 by definition 0187110 1127114 1147117 1167216 2107310 2127215 2137218 0157610 3144110 3134110 0157510 2117213 Type 0nydr0gen R 2 alkyl Ar myl Chemical Shift LW 0 227216 RCCHZR 377319 RCOCH3 0 414117 RCOCHZR RCHZI 3117313 RCHZBr 3147316 RCHZCI 3167318 RCHZF 4144115 ArOH 4154117 R2CCH2 4167510 R2CCHR 5107517 ArH 6157815 0 957101 RCH 0 II 10713 RCOH Values are relative to TMsi Other nearby functional groups may cause the signal to appear outside of these general ranges Characteristic 1H NMR C0u lin Constants I a lib CC Jab 678 Hz Jab 11718 Hz Ha w Hb Jab 8714 HZ Jab 5710 Hz Characteristic 13C NMR Chemical Shifts Type of Carbon R 2 alkyl Ar atyl CH34Si RCH3 RCHZR R3CH RCHZI RCHZBr RC HzCl R3COH R3COR Chemical Shift J O by definition l 040 l 5755 2 0760 040 25765 35780 40780 40780 Ha IIIa C Hb Hb HbHa I diastereotopic J3b075 Hz J3b075 Hz Inle Hz Ha I a CC C c Hb Hb J3b 075 Hz J3b 8711 Hz J3b 4710 Hz Type of Carbon R 2 alkyl Ar atyl Chemical Shift LW RCECR 65785 R2CCR2 1007150 1107160 c R 0 N 1607180 RCOR 0 N 1657180 RCNRZ 0 N 1657185 RCOH 0 N 1807215 RCH 0 N 1807215 RCR Values are relative to TMSi Other nearby functional groups may cause the signal to appear outside of these general ranges Jab 0715 Hz


Buy Material

Are you sure you want to buy this material for

25 Karma

Buy Material

BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.


You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

Why people love StudySoup

Steve Martinelli UC Los Angeles

"There's no way I would have passed my Organic Chemistry class this semester without the notes and study guides I got from StudySoup."

Anthony Lee UC Santa Barbara

"I bought an awesome study guide, which helped me get an A in my Math 34B class this quarter!"

Bentley McCaw University of Florida

"I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"


"Their 'Elite Notetakers' are making over $1,200/month in sales by creating high quality content that helps their classmates in a time of need."

Become an Elite Notetaker and start selling your notes online!

Refund Policy


All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email


StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here:

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.