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All results from a given calculation for CHF3 (Methane, trifluoro-)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-332.100062
Energy at 298.15K 
HF Energy-332.100062
Nuclear repulsion energy130.067114
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/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3491 2850 12.76 32.78 0.38 0.55
2 A1 1227 1002 44.44 4.29 0.00 0.00
3 A1 685 559 24.52 1.26 0.55 0.71
4 E 1630 1331 78.58 3.14 0.75 0.86
4 E 1630 1331 78.58 3.14 0.75 0.86
5 E 1373 1121 22.58 7.53 0.75 0.86
5 E 1373 1121 22.58 7.53 0.75 0.86
6 E 488 399 6.04 1.26 0.75 0.86
6 E 488 399 6.04 1.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6192.5 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 5056.1 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 HF/STO-3G
ABC
0.32644 0.32644 0.17886

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.345
H2 0.000 0.000 1.464
F3 0.000 1.286 -0.131
F4 1.114 -0.643 -0.131
F5 -1.114 -0.643 -0.131

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.11911.37111.37111.3711
H21.11912.04872.04872.0487
F31.37112.04872.22732.2273
F41.37112.04872.22732.2273
F51.37112.04872.22732.2273

picture of Methane, trifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.301 H2 C1 F4 110.301
H2 C1 F5 110.301 F3 C1 F4 108.629
F3 C1 F5 108.629 F4 C1 F5 108.629
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.371      
2 H 0.069      
3 F -0.147      
4 F -0.147      
5 F -0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.127 1.127
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.409 0.000 0.000
y 0.000 -19.409 0.000
z 0.000 0.000 -16.608
Traceless
 xyz
x -1.401 0.000 0.000
y 0.000 -1.401 0.000
z 0.000 0.000 2.801
Polar
3z2-r25.602
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.055 0.000 0.000
y 0.000 1.055 0.000
z 0.000 0.000 0.909


<r2> (average value of r2) Å2
<r2> 59.508
(<r2>)1/2 7.714