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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: CCSD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-1530.451690
Energy at 298.15K-1530.453276
HF Energy-1529.579472
Nuclear repulsion energy432.196225
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 CCSD/6-31G*
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' 3058 2888 27.04      
2 A' 1865 1761 105.76      
3 A' 1430 1350 9.81      
4 A' 1095 1034 25.44      
5 A' 910 859 85.16      
6 A' 651 615 59.24      
7 A' 461 436 2.09      
8 A' 331 313 3.85      
9 A' 284 268 1.83      
10 A' 212 200 3.02      
11 A" 1038 980 33.54      
12 A" 796 752 106.68      
13 A" 337 319 2.00      
14 A" 258 243 1.88      
15 A" 77 73 7.03      

Unscaled Zero Point Vibrational Energy (zpe) 6401.9 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 6045.3 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 CCSD/6-31G*
ABC
0.06175 0.05470 0.05067

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 0.045 0.000
C2 0.926 -1.223 0.000
O3 0.488 -2.345 0.000
Cl4 -1.665 -0.354 0.000
Cl5 0.488 0.966 1.458
Cl6 0.488 0.966 -1.458
H7 2.005 -0.987 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54442.43111.75641.78031.78032.2148
C21.54441.20442.73302.66662.66661.1046
O32.43111.20442.93243.61783.61782.0365
Cl41.75642.73302.93242.91612.91613.7241
Cl51.78032.66663.61782.91612.91662.8705
Cl61.78032.66663.61782.91612.91662.8705
H72.21481.10462.03653.72412.87052.8705

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.892 C1 C2 H7 112.396
C2 C1 Cl4 111.621 C2 C1 Cl5 106.434
C2 C1 Cl6 106.434 O3 C2 H7 123.712
Cl4 C1 Cl5 111.077 Cl4 C1 Cl6 111.077
Cl5 C1 Cl6 109.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability