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

using model chemistry: HF/cc-pV(T+d)Z

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/cc-pV(T+d)Z
 hartrees
Energy at 0K-611.929406
Energy at 298.15K-611.932875
Nuclear repulsion energy150.465413
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/cc-pV(T+d)Z
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' 3288 2993 8.62      
2 A' 3190 2904 1.70      
3 A' 2049 1865 412.14      
4 A' 1581 1439 11.80      
5 A' 1524 1388 16.11      
6 A' 1215 1106 168.41      
7 A' 1037 944 80.60      
8 A' 657 599 147.48      
9 A' 494 450 12.28      
10 A' 367 334 1.38      
11 A" 3261 2968 3.53      
12 A" 1589 1447 10.69      
13 A" 1147 1044 3.67      
14 A" 573 522 5.75      
15 A" 156 142 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11064.2 cm-1
Scaled (by 0.9103) Zero Point Vibrational Energy (zpe) 10071.7 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 HF/cc-pV(T+d)Z
ABC
0.34689 0.16693 0.11507

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.521 0.000
C2 1.486 0.717 0.000
O3 -0.820 1.343 0.000
Cl4 -0.464 -1.202 0.000
H5 1.699 1.775 0.000
H6 1.911 0.244 0.875
H7 1.911 0.244 -0.875

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49901.16091.78382.11172.11982.1198
C21.49902.38932.73531.07911.08141.0814
O31.16092.38932.56952.55553.07063.0706
Cl41.78382.73532.56953.67922.91432.9143
H52.11171.07912.55553.67921.77581.7758
H62.11981.08143.07062.91431.77581.7499
H72.11981.08143.07062.91431.77581.7499

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 108.897 C1 C2 H6 109.399
C1 C2 H7 109.399 C2 C1 O3 127.399
C2 C1 Cl4 112.574 O3 C1 Cl4 120.027
H5 C2 H6 110.556 H5 C2 H7 110.556
H6 C2 H7 108.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.336      
2 C -0.254      
3 O -0.256      
4 Cl -0.200      
5 H 0.130      
6 H 0.122      
7 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.955 0.022 0.000 2.955
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.688 2.845 0.000
y 2.845 -32.804 0.000
z 0.000 0.000 -29.421
Traceless
 xyz
x 1.424 2.845 0.000
y 2.845 -3.250 0.000
z 0.000 0.000 1.825
Polar
3z2-r23.651
x2-y23.116
xy2.845
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.388 0.370 0.000
y 0.370 6.727 0.000
z 0.000 0.000 3.873


<r2> (average value of r2) Å2
<r2> 100.092
(<r2>)1/2 10.005