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

using model chemistry: B3LYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-613.459008
Energy at 298.15K-613.462219
Nuclear repulsion energy147.810055
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/6-31+G**
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' 3169 3056 4.46      
2 A' 3064 2954 0.47      
3 A' 1888 1820 352.79      
4 A' 1469 1416 14.23      
5 A' 1396 1346 25.52      
6 A' 1117 1077 157.37      
7 A' 961 926 67.62      
8 A' 601 579 135.38      
9 A' 432 417 23.71      
10 A' 344 331 2.01      
11 A" 3139 3027 0.26      
12 A" 1472 1419 13.96      
13 A" 1046 1009 3.31      
14 A" 516 497 1.87      
15 A" 128 123 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 10369.9 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 9998.7 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/6-31+G**
ABC
0.33655 0.16076 0.11104

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.538 0.000
C2 1.488 0.743 0.000
O3 -0.852 1.368 0.000
Cl4 -0.451 -1.234 0.000
H5 1.702 1.813 0.000
H6 1.925 0.266 0.882
H7 1.925 0.266 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50261.18981.82792.12702.13462.1346
C21.50262.42232.76951.09121.09371.0937
O31.18982.42232.63282.59223.11493.1149
Cl41.82792.76952.63283.73102.94492.9449
H52.12701.09122.59223.73101.79491.7949
H62.13461.09373.11492.94491.79491.7642
H72.13461.09373.11492.94491.79491.7642

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 109.148 C1 C2 H6 109.604
C1 C2 H7 109.604 C2 C1 O3 127.851
C2 C1 Cl4 112.151 O3 C1 Cl4 119.997
H5 C2 H6 110.474 H5 C2 H7 110.474
H6 C2 H7 107.517
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.299     0.579
2 C -0.561     -0.299
3 O -0.290     -0.407
4 Cl -0.028     -0.216
5 H 0.189     0.122
6 H 0.195     0.110
7 H 0.195     0.110


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.021 0.287 0.000 3.035
CHELPG        
AIM        
ESP 3.028 0.384 0.000 3.052


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.847 2.764 0.000
y 2.764 -33.149 0.000
z 0.000 0.000 -29.784
Traceless
 xyz
x 1.620 2.764 0.000
y 2.764 -3.334 0.000
z 0.000 0.000 1.715
Polar
3z2-r23.429
x2-y23.302
xy2.764
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.870 0.331 0.000
y 0.331 7.726 0.000
z 0.000 0.000 4.096


<r2> (average value of r2) Å2
<r2> 103.071
(<r2>)1/2 10.152