WebMO Job Summary

567445: 6. Acetic Anhydride NMR ((CH3CO)2O), NMR - Gaussian

Calculated Quantities

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Overview

Quantity Value
Route #N M062X/cc-pVTZ NMR Geom=Connectivity
Stoichiometry C4H6O3
Symmetry C1
Basis CC-pVTZ
RM062X Energy -381.723296221 Hartree
Dipole Moment 2.6799 Debye
Server chem344 (2214299)
CPU time 1200.4 sec

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 5.3718072 0.17918420082
b 1.9052044 0.06355077819
c 1.5259380 0.05089981283

Partial Charges

Atom Symbol Charge
1 C -0.374510  
2 C 0.311997  
3 O -0.194848  
4 C 0.318669  
5 C -0.328505  
6 H 0.133332  
7 H 0.139518  
8 H 0.130809  
9 O -0.307807  
10 O -0.267101  
11 H 0.140773  
12 H 0.160779  
13 H 0.136893  

Absolute NMR Shifts

Atom Symbol Isotropic Anisotropy
1 C* 27.3128 40.0111
2 C* 182.7085 111.3185
3 O -16.0657 190.0608
4 C* 185.8017 103.4709
5 C* 23.8444 47.3572
6 H* 1.8288 7.4602
7 H* 2.1945 6.5936
8 H* 2.194 5.9264
9 O -183.5486 689.6054
10 O -229.8784 738.0424
11 H* 2.1283 7.5560
12 H* 2.9505 5.8302
13 H* 1.9907 4.8565
*Denotes shift relative to TMS
TMS shielding (C)
TMS shielding (H)
1H NMR Spectrum
13C NMR Spectrum
Peak Width (ppm)

Quote

IT IS THE GODS' CUSTOM TO BRING LOW ALL THINGS OF SURPASSING GREATNESS. -- HERODOTUS IT IS THE LOFTY PINE THAT BY THE STORM IS OFTENER TOSSED; TOWERS FALL WITH HEAVIER CRASH WHICH HIGHER SOAR. -- HORACE THE BIGGER THEY COME, THE HARDER THEY FALL. -- BOB FITZSIMONS HEAVYWEIGHT CHAMPION, 1897-1899