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: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-1532.547633
Energy at 298.15K-1532.548993
HF Energy-1532.547633
Nuclear repulsion energy422.954043
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 B1B95/6-31G
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' 3098 2954 16.95      
2 A' 1782 1699 111.45      
3 A' 1417 1351 10.10      
4 A' 1064 1015 19.46      
5 A' 835 797 107.09      
6 A' 612 584 85.41      
7 A' 428 408 4.66      
8 A' 308 294 5.45      
9 A' 262 250 2.69      
10 A' 197 188 2.96      
11 A" 1033 985 34.34      
12 A" 688 656 154.32      
13 A" 320 305 2.18      
14 A" 233 222 1.80      
15 A" 82 78 8.60      

Unscaled Zero Point Vibrational Energy (zpe) 6178.6 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 5892.5 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 B1B95/6-31G
ABC
0.05901 0.05275 0.04827

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 0.019 0.000
C2 0.937 -1.224 0.000
O3 0.501 -2.360 0.000
Cl4 -1.706 -0.385 0.000
Cl5 0.501 0.990 1.501
Cl6 0.501 0.990 -1.501
H7 2.006 -0.983 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.52342.42011.80761.84251.84252.1927
C21.52341.21702.77292.70982.70981.0958
O32.42011.21702.96153.67063.67062.0399
Cl41.80762.77292.96153.00263.00263.7600
Cl51.84252.70983.67063.00263.00272.9002
Cl61.84252.70983.67063.00263.00272.9002
H72.19271.09582.03993.76002.90022.9002

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.660 C1 C2 H7 112.658
C2 C1 Cl4 112.427 C2 C1 Cl5 106.856
C2 C1 Cl6 106.856 O3 C2 H7 123.682
Cl4 C1 Cl5 110.691 Cl4 C1 Cl6 110.691
Cl5 C1 Cl6 109.147
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.723      
2 C 0.317      
3 O -0.310      
4 Cl 0.203      
5 Cl 0.151      
6 Cl 0.151      
7 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.433 0.811 0.000 1.646
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.823 -0.974 0.000
y -0.974 -61.156 0.000
z 0.000 0.000 -54.643
Traceless
 xyz
x 6.076 -0.974 0.000
y -0.974 -7.923 0.000
z 0.000 0.000 1.847
Polar
3z2-r23.694
x2-y29.333
xy-0.974
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.503 1.258 0.000
y 1.258 7.503 0.000
z 0.000 0.000 7.536


<r2> (average value of r2) Å2
<r2> 271.204
(<r2>)1/2 16.468