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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-1530.454734
Energy at 298.15K-1530.456304
HF Energy-1529.579190
Nuclear repulsion energy431.855373
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 QCISD/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' 3050 2905 29.27      
2 A' 1848 1760 110.52      
3 A' 1425 1357 9.39      
4 A' 1088 1036 27.17      
5 A' 904 861 86.85      
6 A' 649 618 59.85      
7 A' 459 437 2.22      
8 A' 330 314 3.92      
9 A' 283 270 1.78      
10 A' 211 201 3.03      
11 A" 1035 985 32.67      
12 A" 792 754 110.30      
13 A" 336 320 2.03      
14 A" 257 245 1.85      
15 A" 76 72 7.04      

Unscaled Zero Point Vibrational Energy (zpe) 6371.5 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 6067.6 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 QCISD/6-31G*
ABC
0.06167 0.05460 0.05058

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 0.046 0.000
C2 0.926 -1.225 0.000
O3 0.488 -2.348 0.000
Cl4 -1.666 -0.354 0.000
Cl5 0.488 0.967 1.459
Cl6 0.488 0.967 -1.459
H7 2.006 -0.987 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54652.43511.75711.78131.78132.2162
C21.54651.20632.73482.66882.66881.1051
O32.43511.20632.93553.62193.62192.0390
Cl41.75712.73482.93552.91782.91783.7259
Cl51.78132.66883.62192.91782.91862.8719
Cl61.78132.66883.62192.91782.91862.8719
H72.21621.10512.03903.72592.87192.8719

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.931 C1 C2 H7 112.326
C2 C1 Cl4 111.589 C2 C1 Cl5 106.422
C2 C1 Cl6 106.422 O3 C2 H7 123.743
Cl4 C1 Cl5 111.096 Cl4 C1 Cl6 111.096
Cl5 C1 Cl6 110.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability