return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-451.093422
Energy at 298.15K-451.095640
HF Energy-451.093422
Nuclear repulsion energy249.846718
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 PBEPBE/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' 2870 2831 70.30      
2 A' 1808 1783 80.73      
3 A' 1369 1350 30.01      
4 A' 1276 1259 131.68      
5 A' 1171 1155 169.51      
6 A' 819 808 35.89      
7 A' 677 667 29.71      
8 A' 499 493 13.64      
9 A' 408 403 3.57      
10 A' 237 234 5.46      
11 A" 1159 1143 253.01      
12 A" 944 931 10.74      
13 A" 501 494 0.72      
14 A" 284 280 0.82      
15 A" 66 65 9.49      

Unscaled Zero Point Vibrational Energy (zpe) 7044.1 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 6947.6 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 PBEPBE/6-31G**
ABC
0.17770 0.09769 0.09605

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.017 0.365 0.000
C2 0.507 -1.101 0.000
O3 -0.251 -2.046 0.000
F4 -1.321 0.452 0.000
F5 0.507 0.995 1.100
F6 0.507 0.995 -1.100
H7 1.623 -1.189 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.54532.42541.34121.35891.35892.2342
C21.54531.21172.39862.36682.36681.1190
O32.42541.21172.71693.32123.32122.0607
F41.34122.39862.71692.20172.20173.3701
F51.35892.36683.32122.20172.19952.6875
F61.35892.36683.32122.20172.19952.6875
H72.23421.11902.06073.37012.68752.6875

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.758 C1 C2 H7 113.000
C2 C1 F4 112.202 C2 C1 F5 108.992
C2 C1 F6 108.992 O3 C2 H7 124.241
F4 C1 F5 109.258 F4 C1 F6 109.258
F5 C1 F6 108.049
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.677      
2 C 0.180      
3 O -0.316      
4 F -0.207      
5 F -0.225      
6 F -0.225      
7 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.427 0.366 0.000 1.473
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.913 -2.261 0.000
y -2.261 -34.660 0.000
z 0.000 0.000 -30.621
Traceless
 xyz
x 2.727 -2.261 0.000
y -2.261 -4.393 0.000
z 0.000 0.000 1.665
Polar
3z2-r23.331
x2-y24.746
xy-2.261
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.010 0.326 0.000
y 0.326 4.291 0.000
z 0.000 0.000 2.906


<r2> (average value of r2) Å2
<r2> 129.231
(<r2>)1/2 11.368