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: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-1532.690836
Energy at 298.15K-1532.692361
HF Energy-1532.690836
Nuclear repulsion energy432.880465
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 mPW1PW91/6-311G*
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' 3010 2873 37.26      
2 A' 1891 1805 178.44      
3 A' 1407 1342 13.11      
4 A' 1046 998 39.31      
5 A' 862 823 107.80      
6 A' 638 609 78.82      
7 A' 450 430 4.66      
8 A' 323 308 3.77      
9 A' 277 265 0.76      
10 A' 203 194 3.33      
11 A" 1027 980 28.39      
12 A" 737 703 156.93      
13 A" 330 315 4.69      
14 A" 255 243 1.01      
15 A" 88 84 6.17      

Unscaled Zero Point Vibrational Energy (zpe) 6271.9 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 5985.9 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 mPW1PW91/6-311G*
ABC
0.06159 0.05495 0.05092

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 0.044 0.000
C2 0.919 -1.225 0.000
O3 0.492 -2.332 0.000
Cl4 -1.670 -0.347 0.000
Cl5 0.492 0.959 1.460
Cl6 0.492 0.959 -1.460
H7 1.995 -0.977 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54452.41831.75101.78181.78182.2074
C21.54451.18622.73292.66132.66131.1041
O32.41831.18622.93423.59993.59992.0230
Cl41.75102.73292.93422.91672.91673.7179
Cl51.78182.66133.59992.91672.91912.8528
Cl61.78182.66133.59992.91672.91912.8528
H72.20741.10412.02303.71792.85282.8528

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.125 C1 C2 H7 111.827
C2 C1 Cl4 111.895 C2 C1 Cl5 106.053
C2 C1 Cl6 106.053 O3 C2 H7 124.048
Cl4 C1 Cl5 111.294 Cl4 C1 Cl6 111.294
Cl5 C1 Cl6 109.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.476      
2 C 0.201      
3 O -0.226      
4 Cl 0.109      
5 Cl 0.080      
6 Cl 0.080      
7 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.176 0.904 0.000 1.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.804 -0.405 0.000
y -0.405 -60.308 0.000
z 0.000 0.000 -54.018
Traceless
 xyz
x 5.359 -0.405 0.000
y -0.405 -7.397 0.000
z 0.000 0.000 2.038
Polar
3z2-r24.076
x2-y28.504
xy-0.405
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.163 0.968 0.000
y 0.968 7.991 0.000
z 0.000 0.000 8.012


<r2> (average value of r2) Å2
<r2> 260.386
(<r2>)1/2 16.136