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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-98.846284
Energy at 298.15K-98.848920
HF Energy-98.846284
Nuclear repulsion energy140.256555
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-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' 3268 2935 56.89      
2 A' 2062 1852 134.96      
3 A' 1525 1370 83.51      
4 A' 1476 1326 200.43      
5 A' 1352 1214 242.65      
6 A' 927 832 43.66      
7 A' 765 687 55.04      
8 A' 574 516 23.10      
9 A' 469 422 4.68      
10 A' 273 246 8.65      
11 A" 1352 1214 370.29      
12 A" 1080 970 12.29      
13 A" 576 518 3.32      
14 A" 341 306 1.12      
15 A" 77 69 20.29      

Unscaled Zero Point Vibrational Energy (zpe) 8058.9 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 7236.9 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-31G*
ABC
0.18607 0.10011 0.09822

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.018 0.363 0.000
C2 0.499 -1.109 0.000
O3 -0.259 -2.025 0.000
F4 -1.289 0.469 0.000
F5 0.499 0.981 1.072
F6 0.499 0.981 -1.072
H7 1.589 -1.217 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.54822.40431.31141.32751.32752.2281
C21.54821.18902.38422.34912.34911.0961
O32.40431.18902.69843.28063.28062.0172
F41.31142.38422.69842.14632.14633.3356
F51.32752.34913.28062.14632.14432.6781
F61.32752.34913.28062.14632.14432.6781
H72.22811.09612.01723.33562.67812.6781

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.347 C1 C2 H7 113.737
C2 C1 F4 112.707 C2 C1 F5 109.304
C2 C1 F6 109.304 O3 C2 H7 123.916
F4 C1 F5 108.838 F4 C1 F6 108.838
F5 C1 F6 107.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.537      
2 C -0.046      
3 O -0.128      
4 F -0.160      
5 F -0.192      
6 F -0.192      
7 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.093 0.189 0.000 2.102
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.521 -3.262 0.000
y -3.262 -36.754 0.000
z 0.000 0.000 -31.815
Traceless
 xyz
x 3.763 -3.262 0.000
y -3.262 -5.586 0.000
z 0.000 0.000 1.822
Polar
3z2-r23.645
x2-y26.233
xy-3.262
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.475 0.405 0.000
y 0.405 3.782 0.000
z 0.000 0.000 2.714


<r2> (average value of r2) Å2
<r2> 102.310
(<r2>)1/2 10.115