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

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-613.548957
Energy at 298.15K-613.552177
Nuclear repulsion energy148.299737
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 B3LYP/aug-cc-pVTZ
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' 3146 3044 5.46      
2 A' 3053 2954 0.42      
3 A' 1881 1820 335.90      
4 A' 1465 1417 12.38      
5 A' 1392 1347 22.23      
6 A' 1113 1077 137.16      
7 A' 955 924 71.77      
8 A' 595 576 130.01      
9 A' 427 413 26.81      
10 A' 340 329 2.14      
11 A" 3120 3018 0.18      
12 A" 1467 1419 12.46      
13 A" 1049 1015 2.85      
14 A" 520 503 1.84      
15 A" 130 126 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 10325.8 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 9990.2 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 B3LYP/aug-cc-pVTZ
ABC
0.33907 0.16158 0.11168

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.543 0.000
C2 1.484 0.735 0.000
O3 -0.844 1.367 0.000
Cl4 -0.452 -1.230 0.000
H5 1.709 1.799 0.000
H6 1.913 0.254 0.878
H7 1.913 0.254 -0.878

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49681.18001.82962.12102.12502.1250
C21.49682.41252.75921.08701.08921.0892
O31.18002.41252.62702.58893.10053.1005
Cl41.82962.75922.62703.72102.92772.9277
H52.12101.08702.58893.72101.78841.7884
H62.12501.08923.10052.92771.78841.7561
H72.12501.08923.10052.92771.78841.7561

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 109.317 C1 C2 H6 109.506
C1 C2 H7 109.506 C2 C1 O3 128.258
C2 C1 Cl4 111.708 O3 C1 Cl4 120.034
H5 C2 H6 110.526 H5 C2 H7 110.526
H6 C2 H7 107.432
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.447      
2 C -0.523      
3 O -0.465      
4 Cl -0.206      
5 H 0.230      
6 H 0.259      
7 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.861 0.295 0.000 2.876
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.665 2.743 0.000
y 2.743 -32.891 0.000
z 0.000 0.000 -29.681
Traceless
 xyz
x 1.621 2.743 0.000
y 2.743 -3.218 0.000
z 0.000 0.000 1.597
Polar
3z2-r23.193
x2-y23.226
xy2.743
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.780 0.451 0.000
y 0.451 8.221 0.000
z 0.000 0.000 4.981


<r2> (average value of r2) Å2
<r2> 102.443
(<r2>)1/2 10.121