return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-1529.693957
Energy at 298.15K-1529.695788
HF Energy-1529.693957
Nuclear repulsion energy434.618795
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 HF/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' 3187 2896 26.40      
2 A' 2049 1861 226.19      
3 A' 1516 1378 22.10      
4 A' 1153 1047 31.61      
5 A' 959 871 108.22      
6 A' 687 624 79.85      
7 A' 482 438 2.81      
8 A' 347 315 3.77      
9 A' 300 272 1.51      
10 A' 224 203 3.58      
11 A" 1147 1042 29.30      
12 A" 835 758 147.12      
13 A" 356 323 3.54      
14 A" 274 249 1.86      
15 A" 93 84 9.83      

Unscaled Zero Point Vibrational Energy (zpe) 6803.2 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 6180.7 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 HF/6-311G**
ABC
0.06208 0.05528 0.05137

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.047 0.036 0.000
C2 0.918 -1.235 0.000
O3 0.488 -2.320 0.000
Cl4 -1.664 -0.341 0.000
Cl5 0.488 0.957 1.452
Cl6 0.488 0.957 -1.452
H7 1.984 -1.001 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54082.39731.75141.77541.77542.1974
C21.54081.16782.73242.66412.66411.0911
O32.39731.16782.92403.58503.58501.9946
Cl41.75142.73242.92402.90252.90253.7071
Cl51.77542.66413.58502.90252.90342.8600
Cl61.77542.66413.58502.90252.90342.8600
H72.19741.09111.99463.70712.86002.8600

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.942 C1 C2 H7 112.084
C2 C1 Cl4 112.032 C2 C1 Cl5 106.695
C2 C1 Cl6 106.695 O3 C2 H7 123.974
Cl4 C1 Cl5 110.772 Cl4 C1 Cl6 110.772
Cl5 C1 Cl6 109.709
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.366      
2 C 0.408      
3 O -0.310      
4 Cl 0.067      
5 Cl 0.035      
6 Cl 0.035      
7 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.437 1.015 0.000 1.759
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.263 -0.668 0.000
y -0.668 -61.935 0.000
z 0.000 0.000 -54.800
Traceless
 xyz
x 6.104 -0.668 0.000
y -0.668 -8.404 0.000
z 0.000 0.000 2.299
Polar
3z2-r24.598
x2-y29.672
xy-0.668
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.560 1.002 0.000
y 1.002 7.348 0.000
z 0.000 0.000 7.482


<r2> (average value of r2) Å2
<r2> 259.295
(<r2>)1/2 16.103