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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: QCISD/6-311G*

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/6-311G*
 hartrees
Energy at 0K-1530.617265
Energy at 298.15K-1530.618877
HF Energy-1529.690376
Nuclear repulsion energy432.039376
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/6-311G*
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' 3018 2890 34.20      
2 A' 1852 1773 131.31      
3 A' 1424 1364 11.41      
4 A' 1076 1030 33.45      
5 A' 899 860 87.92      
6 A' 648 621 61.52      
7 A' 457 437 2.70      
8 A' 330 316 3.17      
9 A' 285 273 0.99      
10 A' 211 202 3.02      
11 A" 1036 992 33.12      
12 A" 787 753 117.32      
13 A" 340 326 3.06      
14 A" 262 251 1.25      
15 A" 82 79 6.71      

Unscaled Zero Point Vibrational Energy (zpe) 6353.7 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 6083.0 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/6-311G*
ABC
0.06148 0.05469 0.05070

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.040 0.048 0.000
C2 0.922 -1.226 0.000
O3 0.491 -2.342 0.000
Cl4 -1.671 -0.349 0.000
Cl5 0.491 0.962 1.461
Cl6 0.491 0.962 -1.461
H7 2.001 -0.985 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54952.43201.75631.78121.78122.2162
C21.54951.19572.73672.66642.66641.1059
O32.43201.19572.94003.61263.61262.0299
Cl41.75632.73672.94002.91992.91993.7262
Cl51.78122.66643.61262.91992.92142.8646
Cl61.78122.66643.61262.91992.92142.8646
H72.21621.10592.02993.72622.86462.8646

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.218 C1 C2 H7 112.069
C2 C1 Cl4 111.605 C2 C1 Cl5 106.153
C2 C1 Cl6 106.153 O3 C2 H7 123.713
Cl4 C1 Cl5 111.256 Cl4 C1 Cl6 111.256
Cl5 C1 Cl6 110.181
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability