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: ROHF/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-1529.660995
Energy at 298.15K-1529.662798
HF Energy-1529.660995
Nuclear repulsion energy433.640200
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-pVDZ
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' 3204 2757 25.83      
2 A' 2052 1767 221.54      
3 A' 1494 1286 20.59      
4 A' 1160 998 24.59      
5 A' 953 820 111.57      
6 A' 683 588 77.92      
7 A' 479 412 2.68      
8 A' 344 296 3.86      
9 A' 294 253 2.03      
10 A' 221 191 3.30      
11 A" 1137 978 27.03      
12 A" 826 711 145.74      
13 A" 356 306 3.20      
14 A" 269 232 1.91      
15 A" 94 81 8.88      

Unscaled Zero Point Vibrational Energy (zpe) 6782.8 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 5838.0 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-pVDZ
ABC
0.06189 0.05506 0.05110

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.033 0.000
C2 0.921 -1.234 0.000
O3 0.488 -2.324 0.000
Cl4 -1.666 -0.346 0.000
Cl5 0.488 0.961 1.455
Cl6 0.488 0.961 -1.455
H7 1.994 -0.997 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.53912.39771.75661.78071.78072.2008
C21.53911.17222.73562.66952.66951.0983
O32.39771.17222.92413.59283.59282.0068
Cl41.75662.73562.92412.90992.90993.7171
Cl51.78072.66953.59282.90992.91012.8667
Cl61.78072.66953.59282.90992.91012.8667
H72.20081.09832.00683.71712.86672.8667

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.776 C1 C2 H7 112.038
C2 C1 Cl4 112.042 C2 C1 Cl5 106.823
C2 C1 Cl6 106.823 O3 C2 H7 124.186
Cl4 C1 Cl5 110.700 Cl4 C1 Cl6 110.700
Cl5 C1 Cl6 109.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.310      
2 C 0.415      
3 O -0.230      
4 Cl 0.047      
5 Cl 0.009      
6 Cl 0.009      
7 H 0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.366 1.026 0.000 1.708
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.548 -0.553 0.000
y -0.553 -60.950 0.000
z 0.000 0.000 -53.960
Traceless
 xyz
x 5.907 -0.553 0.000
y -0.553 -8.196 0.000
z 0.000 0.000 2.289
Polar
3z2-r24.578
x2-y29.403
xy-0.553
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> 259.713
(<r2>)1/2 16.116