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

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-612.756195
Energy at 298.15K-612.759526
HF Energy-611.926976
Nuclear repulsion energy149.577669
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 MP2=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3218 3055 3.04      
2 A' 3115 2957 0.33      
3 A' 1866 1772 248.21      
4 A' 1489 1413 12.83      
5 A' 1403 1332 25.75      
6 A' 1134 1077 161.63      
7 A' 983 933 49.08      
8 A' 619 587 134.03      
9 A' 452 429 18.18      
10 A' 352 334 0.68      
11 A" 3193 3031 0.00      
12 A" 1496 1421 12.33      
13 A" 1053 1000 2.60      
14 A" 532 505 1.70      
15 A" 156 148 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 10530.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 9997.4 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 MP2=FULL/cc-pVTZ
ABC
0.34028 0.16640 0.11409

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.537 0.000
C2 1.476 0.704 0.000
O3 -0.837 1.374 0.000
Cl4 -0.450 -1.214 0.000
H5 1.714 1.759 0.000
H6 1.888 0.216 0.876
H7 1.888 0.216 -0.876

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.48571.18371.80802.10522.10562.1056
C21.48572.40862.71811.08181.08361.0836
O31.18372.40862.61682.58023.08753.0875
Cl41.80802.71812.61683.67732.87662.8766
H52.10521.08182.58023.67731.78301.7830
H62.10561.08363.08752.87661.78301.7514
H72.10561.08363.08752.87661.78301.7514

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 109.142 C1 C2 H6 109.068
C1 C2 H7 109.068 C2 C1 O3 128.571
C2 C1 Cl4 110.845 O3 C1 Cl4 120.584
H5 C2 H6 110.849 H5 C2 H7 110.849
H6 C2 H7 107.823
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability