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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: QCISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-1530.559087
Energy at 298.15K-1530.560638
HF Energy-1529.658541
Nuclear repulsion energy429.522232
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/cc-pVDZ
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' 3024 2901 38.58      
2 A' 1850 1775 127.49      
3 A' 1394 1337 11.39      
4 A' 1075 1031 24.21      
5 A' 886 850 90.65      
6 A' 638 612 60.07      
7 A' 449 431 2.62      
8 A' 323 310 3.38      
9 A' 275 264 1.52      
10 A' 206 197 2.67      
11 A" 1023 982 27.33      
12 A" 771 740 117.02      
13 A" 332 319 2.13      
14 A" 251 241 1.30      
15 A" 84 80 5.71      

Unscaled Zero Point Vibrational Energy (zpe) 6290.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 6034.8 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/cc-pVDZ
ABC
0.06091 0.05403 0.05005

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 0.042 0.000
C2 0.929 -1.236 0.000
O3 0.492 -2.355 0.000
Cl4 -1.678 -0.355 0.000
Cl5 0.492 0.971 1.468
Cl6 0.492 0.971 -1.468
H7 2.016 -0.983 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.55342.43891.76891.79371.79372.2204
C21.55341.20212.75142.68662.68661.1156
O32.43891.20212.95093.63633.63632.0509
Cl41.76892.75142.95092.93622.93623.7462
Cl51.79372.68663.63632.93622.93642.8802
Cl61.79372.68663.63632.93622.93642.8802
H72.22041.11562.05093.74622.88022.8802

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.028 C1 C2 H7 111.534
C2 C1 Cl4 111.657 C2 C1 Cl5 106.549
C2 C1 Cl6 106.549 O3 C2 H7 124.437
Cl4 C1 Cl5 111.009 Cl4 C1 Cl6 111.009
Cl5 C1 Cl6 109.880
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability