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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: ROHF/3-21G

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/3-21G
 hartrees
Energy at 0K-447.023358
Energy at 298.15K-447.025924
HF Energy-447.023358
Nuclear repulsion energy252.848788
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/3-21G
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' 3282 2977 21.88      
2 A' 1963 1781 46.72      
3 A' 1562 1417 84.25      
4 A' 1439 1305 116.48      
5 A' 1362 1235 218.75      
6 A' 897 814 39.55      
7 A' 742 673 46.34      
8 A' 545 494 29.18      
9 A' 460 417 7.01      
10 A' 259 235 9.28      
11 A" 1393 1263 287.11      
12 A" 1122 1017 4.36      
13 A" 552 501 7.40      
14 A" 324 293 0.61      
15 A" 74 67 18.81      

Unscaled Zero Point Vibrational Energy (zpe) 7988.1 cm-1
Scaled (by 0.907) Zero Point Vibrational Energy (zpe) 7245.2 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 ROHF/3-21G
ABC
0.18157 0.10045 0.09853

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.020 0.349 0.000
C2 0.503 -1.078 0.000
O3 -0.243 -2.016 0.000
F4 -1.314 0.433 0.000
F5 0.503 0.987 1.086
F6 0.503 0.987 -1.086
H7 1.578 -1.151 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.50692.38001.33631.34871.34872.1626
C21.50691.19882.36312.33332.33331.0774
O32.38001.19882.67293.27963.27962.0167
F41.33632.36312.67292.18772.18773.2969
F51.34872.33333.27962.18772.17142.6276
F61.34872.33333.27962.18772.17142.6276
H72.16261.07742.01673.29692.62762.6276

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.790 C1 C2 H7 112.549
C2 C1 F4 112.295 C2 C1 F5 109.466
C2 C1 F6 109.466 O3 C2 H7 124.660
F4 C1 F5 109.130 F4 C1 F6 109.130
F5 C1 F6 107.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.083      
2 C 0.252      
3 O -0.451      
4 F -0.374      
5 F -0.383      
6 F -0.383      
7 H 0.254      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.000 -0.184 0.000 2.008
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.114 -3.151 0.000
y -3.151 -36.669 0.000
z 0.000 0.000 -32.158
Traceless
 xyz
x 3.300 -3.151 0.000
y -3.151 -5.033 0.000
z 0.000 0.000 1.733
Polar
3z2-r23.466
x2-y25.555
xy-3.151
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> 127.372
(<r2>)1/2 11.286