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

using model chemistry: B3LYP/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-44.023307
Energy at 298.15K-44.026506
Nuclear repulsion energy59.522596
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/CEP-121G*
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' 3149 3052 9.73      
2 A' 3046 2953 1.86      
3 A' 1854 1797 329.49      
4 A' 1476 1431 14.59      
5 A' 1398 1356 20.54      
6 A' 1111 1077 142.94      
7 A' 947 918 75.59      
8 A' 595 576 129.51      
9 A' 429 416 18.56      
10 A' 333 323 1.90      
11 A" 3122 3027 3.36      
12 A" 1475 1430 13.57      
13 A" 1045 1013 2.04      
14 A" 507 491 2.17      
15 A" 139 135 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 10312.0 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 9996.5 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/CEP-121G*
ABC
0.33118 0.15864 0.10945

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.286 0.000
C2 1.411 -0.273 0.000
O3 -0.338 1.432 0.000
Cl4 -1.264 -1.056 0.000
H5 2.123 0.556 0.000
H6 1.555 -0.904 0.884
H7 1.555 -0.904 -0.884

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.51751.19451.84322.14032.14832.1483
C21.51752.44232.78681.09351.09551.0955
O31.19452.44232.65402.61223.13353.1335
Cl41.84322.78682.65403.75112.95832.9583
H52.14031.09352.61223.75111.79901.7990
H62.14831.09553.13352.95831.79901.7684
H72.14831.09553.13352.95831.79901.7684

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 109.033 C1 C2 H6 109.540
C1 C2 H7 109.540 C2 C1 O3 128.060
C2 C1 Cl4 111.673 O3 C1 Cl4 120.267
H5 C2 H6 110.540 H5 C2 H7 110.540
H6 C2 H7 107.629
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.229      
2 C -0.541      
3 O -0.179      
4 Cl -0.132      
5 H 0.204      
6 H 0.210      
7 H 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.703 -1.108 0.000 2.921
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.765 -0.140 0.000
y -0.140 -32.902 0.000
z 0.000 0.000 -28.820
Traceless
 xyz
x 2.096 -0.140 0.000
y -0.140 -4.109 0.000
z 0.000 0.000 2.013
Polar
3z2-r24.026
x2-y24.137
xy-0.140
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.336 1.021 0.000
y 1.021 6.588 0.000
z 0.000 0.000 3.717


<r2> (average value of r2) Å2
<r2> 72.242
(<r2>)1/2 8.500