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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G*
 hartrees
Energy at 0K-448.666106
Energy at 298.15K-448.668377
HF Energy-448.666106
Nuclear repulsion energy249.582161
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 HSEh1PBE/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' 3043 2921 45.41      
2 A' 1800 1728 44.04      
3 A' 1457 1399 45.63      
4 A' 1317 1265 110.27      
5 A' 1237 1188 151.50      
6 A' 837 804 33.66      
7 A' 688 660 28.48      
8 A' 499 479 20.10      
9 A' 421 404 5.17      
10 A' 229 220 6.77      
11 A" 1258 1208 228.28      
12 A" 1035 993 4.23      
13 A" 508 488 3.29      
14 A" 277 266 0.46      
15 A" 70 67 11.93      

Unscaled Zero Point Vibrational Energy (zpe) 7337.8 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 7043.6 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 HSEh1PBE/3-21G*
ABC
0.17615 0.09799 0.09616

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.014 0.358 0.000
C2 0.507 -1.078 0.000
O3 -0.229 -2.049 0.000
F4 -1.337 0.432 0.000
F5 0.507 0.997 1.103
F6 0.507 0.997 -1.103
H7 1.605 -1.117 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.51822.41871.35311.36701.36702.1692
C21.51821.21822.38382.35012.35011.0984
O32.41871.21822.71733.32203.32202.0570
F41.35312.38382.71732.22212.22213.3249
F51.36702.35013.32202.22212.20562.6247
F61.36702.35013.32202.22212.20562.6247
H72.16921.09842.05703.32492.62472.6247

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.866 C1 C2 H7 110.976
C2 C1 F4 112.120 C2 C1 F5 108.971
C2 C1 F6 108.971 O3 C2 H7 125.158
F4 C1 F5 109.555 F4 C1 F6 109.555
F5 C1 F6 107.559
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.782      
2 C 0.175      
3 O -0.370      
4 F -0.268      
5 F -0.275      
6 F -0.275      
7 H 0.231      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.554 0.091 0.000 1.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.555 -2.434 0.000
y -2.434 -35.479 0.000
z 0.000 0.000 -31.356
Traceless
 xyz
x 2.863 -2.434 0.000
y -2.434 -4.524 0.000
z 0.000 0.000 1.661
Polar
3z2-r23.322
x2-y24.924
xy-2.434
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.221 0.439 0.000
y 0.439 3.337 0.000
z 0.000 0.000 2.188


<r2> (average value of r2) Å2
<r2> 129.579
(<r2>)1/2 11.383