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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: HF/CEP-121G*

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-121G*
 hartrees
Energy at 0K-71.281222
Energy at 298.15K-71.282981
HF Energy-71.281222
Nuclear repulsion energy117.571232
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-121G*
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' 3227 2915 29.13      
2 A' 2011 1817 231.55      
3 A' 1513 1367 20.25      
4 A' 1166 1053 25.09      
5 A' 966 873 113.12      
6 A' 683 617 77.56      
7 A' 480 433 2.26      
8 A' 340 308 4.70      
9 A' 292 264 2.10      
10 A' 217 196 3.57      
11 A" 1131 1022 33.42      
12 A" 849 767 143.83      
13 A" 348 315 2.39      
14 A" 267 241 2.45      
15 A" 87 79 9.85      

Unscaled Zero Point Vibrational Energy (zpe) 6788.1 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 6132.4 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-121G*
ABC
0.06134 0.05468 0.05091

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 0.038 0.000
C2 0.926 -1.240 0.000
O3 0.492 -2.336 0.000
Cl4 -1.674 -0.338 0.000
Cl5 0.492 0.960 1.459
Cl6 0.492 0.960 -1.459
H7 1.993 -1.006 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.55172.41581.76021.78281.78282.2102
C21.55171.17992.75262.67512.67511.0923
O32.41581.17992.94723.60503.60502.0061
Cl41.76022.75262.94722.91622.91623.7282
Cl51.78282.67513.60502.91622.91772.8724
Cl61.78282.67513.60502.91622.91772.8724
H72.21021.09232.00613.72822.87242.8724

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.787 C1 C2 H7 112.262
C2 C1 Cl4 112.276 C2 C1 Cl5 106.489
C2 C1 Cl6 106.489 O3 C2 H7 123.951
Cl4 C1 Cl5 110.789 Cl4 C1 Cl6 110.789
Cl5 C1 Cl6 109.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.062      
2 C 0.172      
3 O -0.292      
4 Cl -0.022      
5 Cl -0.049      
6 Cl -0.049      
7 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.386 1.208 0.000 1.839
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.500 -0.556 0.000
y -0.556 -59.583 0.000
z 0.000 0.000 -52.022
Traceless
 xyz
x 6.303 -0.556 0.000
y -0.556 -8.822 0.000
z 0.000 0.000 2.519
Polar
3z2-r25.037
x2-y210.083
xy-0.556
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.025 0.902 0.000
y 0.902 7.952 0.000
z 0.000 0.000 7.907


<r2> (average value of r2) Å2
<r2> 148.831
(<r2>)1/2 12.200