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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-449.412417
Energy at 298.15K-449.414907
HF Energy-449.412417
Nuclear repulsion energy249.725818
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/SDD
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' 3331 2999 16.45      
2 A' 1944 1750 83.18      
3 A' 1526 1374 54.82      
4 A' 1389 1251 113.93      
5 A' 1267 1141 252.91      
6 A' 872 785 68.58      
7 A' 718 647 42.11      
8 A' 532 479 32.69      
9 A' 446 402 9.05      
10 A' 269 242 9.12      
11 A" 1252 1128 312.80      
12 A" 1061 955 26.28      
13 A" 527 474 6.10      
14 A" 332 299 1.70      
15 A" 74 67 26.06      

Unscaled Zero Point Vibrational Energy (zpe) 7769.4 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 6995.5 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 HF/SDD
ABC
0.17675 0.09791 0.09614

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.020 0.342 0.000
C2 0.509 -1.103 0.000
O3 -0.248 -2.038 0.000
F4 -1.328 0.464 0.000
F5 0.509 0.994 1.101
F6 0.509 0.994 -1.101
H7 1.586 -1.195 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.52582.39571.35341.37021.37022.1942
C21.52581.20352.41432.36892.36891.0803
O32.39571.20352.72493.31413.31412.0182
F41.35342.41432.72492.20672.20673.3525
F51.37022.36893.31412.20672.20292.6768
F61.37022.36893.31412.20672.20292.6768
H72.19421.08032.01823.35252.67682.6768

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.306 C1 C2 H7 113.591
C2 C1 F4 113.834 C2 C1 F5 109.652
C2 C1 F6 109.652 O3 C2 H7 124.103
F4 C1 F5 108.230 F4 C1 F6 108.230
F5 C1 F6 107.006
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.784      
2 C 0.091      
3 O -0.245      
4 F -0.268      
5 F -0.295      
6 F -0.295      
7 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.451 -0.472 0.000 2.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.135 -3.942 0.000
y -3.942 -38.551 0.000
z 0.000 0.000 -33.705
Traceless
 xyz
x 3.994 -3.942 0.000
y -3.942 -5.632 0.000
z 0.000 0.000 1.638
Polar
3z2-r23.276
x2-y26.417
xy-3.942
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.318 0.636 0.000
y 0.636 3.545 0.000
z 0.000 0.000 2.450


<r2> (average value of r2) Å2
<r2> 131.066
(<r2>)1/2 11.448