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All results from a given calculation for CH3COCl (Acetyl Chloride)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-610.331269
Energy at 298.15K-610.334332
Nuclear repulsion energy141.948373
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at BLYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3082 3065 6.09      
2 A' 3001 2985 1.77      
3 A' 1832 1822 212.69      
4 A' 1486 1477 14.71      
5 A' 1403 1395 37.18      
6 A' 1086 1080 87.99      
7 A' 887 883 87.45      
8 A' 519 516 118.23      
9 A' 355 353 28.77      
10 A' 313 311 2.38      
11 A" 3069 3052 0.21      
12 A" 1490 1482 15.38      
13 A" 1061 1056 7.36      
14 A" 488 485 0.54      
15 A" 160 159 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 10115.6 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 10060.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at BLYP/3-21G
ABC
0.31603 0.14486 0.10123

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.651 0.000
C2 1.504 0.748 0.000
O3 -0.888 1.463 0.000
Cl4 -0.442 -1.316 0.000
H5 1.811 1.805 0.000
H6 1.896 0.230 0.889
H7 1.896 0.230 -0.889

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50711.20402.01582.14722.13582.1358
C21.50712.49712.83691.10021.10081.1008
O31.20402.49712.81482.72083.17243.1724
Cl42.01582.83692.81483.84892.94092.9409
H52.14721.10022.72083.84891.80981.8098
H62.13581.10083.17242.94091.80981.7775
H72.13581.10083.17242.94091.80981.7775

picture of Acetyl Chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 109.901 C1 C2 H6 108.974
C1 C2 H7 108.974 C2 C1 O3 133.854
C2 C1 Cl4 106.377 O3 C1 Cl4 119.769
H5 C2 H6 110.629 H5 C2 H7 110.629
H6 C2 H7 107.679
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.315      
2 C -0.590      
3 O -0.313      
4 Cl -0.153      
5 H 0.230      
6 H 0.256      
7 H 0.256      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.124 1.843 0.000 3.627
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.110 1.729 0.000
y 1.729 -33.109 0.000
z 0.000 0.000 -29.646
Traceless
 xyz
x 2.267 1.729 0.000
y 1.729 -3.731 0.000
z 0.000 0.000 1.464
Polar
3z2-r22.927
x2-y23.999
xy1.729
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 110.217
(<r2>)1/2 10.498