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: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-1532.581489
Energy at 298.15K-1532.582980
HF Energy-1532.581489
Nuclear repulsion energy432.266156
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 mPW1PW91/6-31+G**
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' 3033 2886 23.83      
2 A' 1881 1790 175.40      
3 A' 1393 1325 10.03      
4 A' 1052 1001 33.02      
5 A' 863 822 102.67      
6 A' 636 605 71.01      
7 A' 451 429 3.78      
8 A' 322 307 4.23      
9 A' 274 261 1.35      
10 A' 199 189 3.48      
11 A" 1024 975 29.26      
12 A" 741 705 142.79      
13 A" 326 310 3.57      
14 A" 249 237 1.67      
15 A" 82 78 6.74      

Unscaled Zero Point Vibrational Energy (zpe) 6262.6 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 5960.7 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 mPW1PW91/6-31+G**
ABC
0.06143 0.05481 0.05079

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 0.044 0.000
C2 0.923 -1.222 0.000
O3 0.492 -2.337 0.000
Cl4 -1.671 -0.347 0.000
Cl5 0.492 0.960 1.461
Cl6 0.492 0.960 -1.461
H7 1.999 -0.975 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54562.42431.75271.78351.78352.2107
C21.54561.19482.73742.66162.66161.1041
O32.42431.19482.93883.60623.60622.0310
Cl41.75272.73742.93882.91962.91963.7232
Cl51.78352.66163.60622.91962.92292.8549
Cl61.78352.66163.60622.91962.92292.8549
H72.21071.10412.03103.72322.85492.8549

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.914 C1 C2 H7 112.008
C2 C1 Cl4 112.035 C2 C1 Cl5 105.942
C2 C1 Cl6 105.942 O3 C2 H7 124.078
Cl4 C1 Cl5 111.303 Cl4 C1 Cl6 111.303
Cl5 C1 Cl6 110.055
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.201      
2 C 0.052      
3 O -0.283      
4 Cl 0.120      
5 Cl 0.063      
6 Cl 0.063      
7 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.173 1.126 0.000 1.626
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.471 -0.416 0.000
y -0.416 -60.626 0.000
z 0.000 0.000 -53.689
Traceless
 xyz
x 5.687 -0.416 0.000
y -0.416 -8.046 0.000
z 0.000 0.000 2.359
Polar
3z2-r24.718
x2-y29.155
xy-0.416
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.135 0.818 0.000
y 0.818 9.392 0.000
z 0.000 0.000 8.997


<r2> (average value of r2) Å2
<r2> 260.883
(<r2>)1/2 16.152