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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: HF/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-71.274689
Energy at 298.15K-71.276434
HF Energy-71.274689
Nuclear repulsion energy117.386683
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/CEP-31G*
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' 3269 2936 39.39      
2 A' 2041 1833 243.82      
3 A' 1503 1350 24.46      
4 A' 1173 1054 25.97      
5 A' 973 874 120.99      
6 A' 681 612 77.46      
7 A' 481 432 2.49      
8 A' 341 306 4.77      
9 A' 293 263 1.99      
10 A' 216 194 3.60      
11 A" 1132 1017 40.41      
12 A" 856 769 148.04      
13 A" 348 312 2.96      
14 A" 267 239 2.59      
15 A" 88 79 10.94      

Unscaled Zero Point Vibrational Energy (zpe) 6831.0 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 6134.3 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/CEP-31G*
ABC
0.06128 0.05451 0.05079

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 0.040 0.000
C2 0.927 -1.241 0.000
O3 0.492 -2.344 0.000
Cl4 -1.675 -0.337 0.000
Cl5 0.492 0.962 1.459
Cl6 0.492 0.962 -1.459
H7 1.998 -1.007 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.55582.42561.76021.78301.78302.2160
C21.55581.18592.75482.67842.67841.0958
O32.42561.18592.95313.61393.61392.0143
Cl41.76022.75482.95312.91722.91723.7331
Cl51.78302.67843.61392.91722.91822.8765
Cl61.78302.67843.61392.91722.91822.8765
H72.21601.09582.01433.73312.87652.8765

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.868 C1 C2 H7 112.216
C2 C1 Cl4 112.200 C2 C1 Cl5 106.477
C2 C1 Cl6 106.477 O3 C2 H7 123.915
Cl4 C1 Cl5 110.834 Cl4 C1 Cl6 110.834
Cl5 C1 Cl6 109.836
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.020      
2 C -0.026      
3 O -0.110      
4 Cl 0.003      
5 Cl -0.035      
6 Cl -0.035      
7 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.474 1.239 0.000 1.926
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.290 -0.505 0.000
y -0.505 -59.938 0.000
z 0.000 0.000 -52.037
Traceless
 xyz
x 6.698 -0.505 0.000
y -0.505 -9.275 0.000
z 0.000 0.000 2.577
Polar
3z2-r25.154
x2-y210.648
xy-0.505
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.347 1.003 0.000
y 1.003 7.314 0.000
z 0.000 0.000 7.412


<r2> (average value of r2) Å2
<r2> 149.197
(<r2>)1/2 12.215