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

using model chemistry: MP2=FULL/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-612.784024
Energy at 298.15K-612.787341
HF Energy-611.929511
Nuclear repulsion energy149.675154
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/aug-cc-pVTZ
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' 3208 3052 3.06      
2 A' 3103 2952 0.30      
3 A' 1851 1761 267.12      
4 A' 1489 1417 12.44      
5 A' 1409 1340 24.64      
6 A' 1139 1083 156.31      
7 A' 986 938 52.82      
8 A' 615 586 139.01      
9 A' 451 429 18.32      
10 A' 351 334 0.71      
11 A" 3182 3028 0.01      
12 A" 1501 1428 12.82      
13 A" 1057 1006 2.23      
14 A" 528 503 1.57      
15 A" 150 143 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 10509.7 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 9998.9 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 MP2=FULL/aug-cc-pVTZ
ABC
0.34054 0.16678 0.11430

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.537 0.000
C2 1.475 0.707 0.000
O3 -0.840 1.370 0.000
Cl4 -0.448 -1.214 0.000
H5 1.711 1.765 0.000
H6 1.887 0.220 0.878
H7 1.887 0.220 -0.878

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.48441.18351.80672.10642.10482.1048
C21.48442.40792.71761.08361.08551.0855
O31.18352.40792.61362.58193.08713.0871
Cl41.80672.71762.61363.67862.87632.8763
H52.10641.08362.58193.67861.78591.7859
H62.10481.08553.08712.87631.78591.7557
H72.10481.08553.08712.87631.78591.7557

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 109.222 C1 C2 H6 108.985
C1 C2 H7 108.985 C2 C1 O3 128.630
C2 C1 Cl4 110.948 O3 C1 Cl4 120.422
H5 C2 H6 110.837 H5 C2 H7 110.837
H6 C2 H7 107.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability