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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: ROHF/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at ROHF/cc-pVTZ
 hartrees
Energy at 0K-1529.753023
Energy at 298.15K-1529.754818
HF Energy-1529.753023
Nuclear repulsion energy435.162936
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 ROHF/cc-pVTZ
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' 3172 2858 25.28      
2 A' 2035 1833 216.93      
3 A' 1513 1363 18.08      
4 A' 1153 1038 28.42      
5 A' 952 858 94.91      
6 A' 685 617 73.14      
7 A' 481 433 2.22      
8 A' 342 309 3.66      
9 A' 293 264 1.87      
10 A' 217 196 3.42      
11 A" 1142 1029 25.77      
12 A" 831 748 126.82      
13 A" 354 319 3.43      
14 A" 269 242 2.16      
15 A" 90 81 8.63      

Unscaled Zero Point Vibrational Energy (zpe) 6764.2 cm-1
Scaled (by 0.901) Zero Point Vibrational Energy (zpe) 6094.5 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 ROHF/cc-pVTZ
ABC
0.06210 0.05542 0.05160

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 0.035 0.000
C2 0.917 -1.233 0.000
O3 0.489 -2.320 0.000
Cl4 -1.664 -0.333 0.000
Cl5 0.489 0.953 1.450
Cl6 0.489 0.953 -1.450
H7 1.981 -0.998 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.53822.39631.74861.77271.77272.1940
C21.53821.16822.73342.65772.65771.0898
O32.39631.16822.93033.58003.58001.9930
Cl41.74862.73342.93032.89722.89723.7054
Cl51.77272.65773.58002.89722.89952.8522
Cl61.77272.65773.58002.89722.89952.8522
H72.19401.08981.99303.70542.85222.8522

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.031 C1 C2 H7 112.071
C2 C1 Cl4 112.370 C2 C1 Cl5 106.565
C2 C1 Cl6 106.565 O3 C2 H7 123.898
Cl4 C1 Cl5 110.718 Cl4 C1 Cl6 110.718
Cl5 C1 Cl6 109.733
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.141      
2 C 0.215      
3 O -0.259      
4 Cl -0.053      
5 Cl -0.084      
6 Cl -0.084      
7 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.293 1.233 0.000 1.786
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.433 -0.502 0.000
y -0.502 -61.016 0.000
z 0.000 0.000 -53.763
Traceless
 xyz
x 5.956 -0.502 0.000
y -0.502 -8.418 0.000
z 0.000 0.000 2.462
Polar
3z2-r24.924
x2-y29.583
xy-0.502
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 258.145
(<r2>)1/2 16.067