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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-449.485173
Energy at 298.15K-449.487855
HF Energy-449.485173
Nuclear repulsion energy256.116464
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/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' 3241 2912 43.46      
2 A' 2079 1868 113.44      
3 A' 1549 1391 72.19      
4 A' 1489 1338 178.08      
5 A' 1372 1233 235.90      
6 A' 935 840 46.34      
7 A' 771 693 51.62      
8 A' 577 518 21.37      
9 A' 474 426 4.63      
10 A' 282 253 8.37      
11 A" 1373 1234 328.25      
12 A" 1099 988 15.52      
13 A" 577 518 3.47      
14 A" 346 311 1.01      
15 A" 83 75 17.69      

Unscaled Zero Point Vibrational Energy (zpe) 8123.8 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 7299.2 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/6-31G*
ABC
0.18800 0.10224 0.10037

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.020 0.357 0.000
C2 0.496 -1.091 0.000
O3 -0.256 -1.998 0.000
F4 -1.283 0.453 0.000
F5 0.496 0.973 1.068
F6 0.496 0.973 -1.068
H7 1.579 -1.201 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.52412.37171.30601.32111.32112.2044
C21.52411.17842.35482.32362.32361.0894
O32.37171.17842.65763.24573.24572.0013
F41.30602.35482.65762.13832.13833.3054
F51.32112.32363.24572.13832.13512.6532
F61.32112.32363.24572.13832.13512.6532
H72.20441.08942.00133.30542.65322.6532

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.186 C1 C2 H7 113.977
C2 C1 F4 112.393 C2 C1 F5 109.298
C2 C1 F6 109.298 O3 C2 H7 123.837
F4 C1 F5 108.965 F4 C1 F6 108.965
F5 C1 F6 107.813
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.054      
2 C 0.202      
3 O -0.412      
4 F -0.332      
5 F -0.356      
6 F -0.356      
7 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.939 0.269 0.000 1.958
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.191 -3.012 0.000
y -3.012 -35.944 0.000
z 0.000 0.000 -31.205
Traceless
 xyz
x 3.384 -3.012 0.000
y -3.012 -5.246 0.000
z 0.000 0.000 1.862
Polar
3z2-r23.724
x2-y25.753
xy-3.012
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.471 0.386 0.000
y 0.386 3.628 0.000
z 0.000 0.000 2.522


<r2> (average value of r2) Å2
<r2> 124.687
(<r2>)1/2 11.166