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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: ROHF/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 ROHF/6-31G*
 hartrees
Energy at 0K-449.485173
Energy at 298.15K-449.487852
HF Energy-449.485173
Nuclear repulsion energy256.124259
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/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 2886 43.52      
2 A' 2080 1852 113.58      
3 A' 1549 1379 72.09      
4 A' 1490 1326 178.05      
5 A' 1372 1222 235.86      
6 A' 935 833 46.36      
7 A' 771 687 51.60      
8 A' 577 513 21.39      
9 A' 474 422 4.64      
10 A' 282 251 8.39      
11 A" 1373 1223 328.21      
12 A" 1099 979 15.53      
13 A" 577 514 3.47      
14 A" 346 308 1.01      
15 A" 82 73 17.70      

Unscaled Zero Point Vibrational Energy (zpe) 8123.5 cm-1
Scaled (by 0.8904) Zero Point Vibrational Energy (zpe) 7233.1 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/6-31G*
ABC
0.18798 0.10225 0.10038

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/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 1.580 -1.200 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.52402.37141.30601.32111.32112.2041
C21.52401.17832.35482.32342.32341.0895
O32.37141.17832.65763.24543.24542.0013
F41.30602.35482.65762.13842.13843.3054
F51.32112.32343.24542.13842.13502.6527
F61.32112.32343.24542.13842.13502.6527
H72.20411.08952.00133.30542.65272.6527

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.184 C1 C2 H7 113.964
C2 C1 F4 112.403 C2 C1 F5 109.289
C2 C1 F6 109.289 O3 C2 H7 123.851
F4 C1 F5 108.973 F4 C1 F6 108.973
F5 C1 F6 107.806
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/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
  1.938 0.269 0.000 1.957
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.191 -3.011 0.000
y -3.011 -35.943 0.000
z 0.000 0.000 -31.205
Traceless
 xyz
x 3.383 -3.011 0.000
y -3.011 -5.245 0.000
z 0.000 0.000 1.862
Polar
3z2-r23.725
x2-y25.752
xy-3.011
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> 124.678
(<r2>)1/2 11.166