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

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-611.910042
Energy at 298.15K-611.913494
HF Energy-611.910042
Nuclear repulsion energy149.931631
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 HF/TZVP
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' 3300 2999 7.03      
2 A' 3201 2908 1.94      
3 A' 2061 1872 451.89      
4 A' 1586 1441 12.16      
5 A' 1528 1388 16.39      
6 A' 1215 1104 179.78      
7 A' 1035 940 86.37      
8 A' 657 597 155.71      
9 A' 492 447 16.57      
10 A' 367 334 1.34      
11 A" 3275 2976 3.10      
12 A" 1591 1445 12.53      
13 A" 1149 1044 3.86      
14 A" 569 517 7.60      
15 A" 150 137 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11087.2 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 10073.9 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 HF/TZVP
ABC
0.34597 0.16507 0.11409

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.530 0.000
C2 1.486 0.727 0.000
O3 -0.825 1.344 0.000
Cl4 -0.461 -1.211 0.000
H5 1.698 1.786 0.000
H6 1.911 0.256 0.876
H7 1.911 0.256 -0.876

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49941.15931.80112.11212.12052.1205
C21.49942.39262.74771.07991.08201.0820
O31.15932.39262.58102.56163.07283.0728
Cl41.80112.74772.58103.69392.92362.9236
H52.11211.07992.56163.69391.77651.7765
H62.12051.08203.07282.92361.77651.7520
H72.12051.08203.07282.92361.77651.7520

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 108.857 C1 C2 H6 109.392
C1 C2 H7 109.392 C2 C1 O3 127.828
C2 C1 Cl4 112.396 O3 C1 Cl4 119.776
H5 C2 H6 110.527 H5 C2 H7 110.527
H6 C2 H7 108.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.341      
2 C -0.230      
3 O -0.299      
4 Cl -0.185      
5 H 0.126      
6 H 0.123      
7 H 0.123      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.134 0.184 0.000 3.140
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.911 2.920 0.000
y 2.920 -33.245 0.000
z 0.000 0.000 -29.518
Traceless
 xyz
x 1.470 2.920 0.000
y 2.920 -3.530 0.000
z 0.000 0.000 2.060
Polar
3z2-r24.121
x2-y23.333
xy2.920
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.027 0.258 0.000
y 0.258 6.653 0.000
z 0.000 0.000 3.593


<r2> (average value of r2) Å2
<r2> 100.905
(<r2>)1/2 10.045