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

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-338.246779
Energy at 298.15K 
HF Energy-338.246779
Nuclear repulsion energy133.579640
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 B3PW91/cc-pVTZ
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 3120 3000 37.82      
2 A1 1147 1103 100.17      
3 A1 702 675 12.90      
4 E 1393 1340 49.07      
4 E 1393 1340 49.07      
5 E 1163 1119 286.06      
5 E 1163 1119 286.06      
6 E 507 487 2.05      
6 E 507 487 2.05      

Unscaled Zero Point Vibrational Energy (zpe) 5547.6 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 5334.6 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 B3PW91/cc-pVTZ
ABC
0.34436 0.34436 0.18877

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.337
H2 0.000 0.000 1.428
F3 0.000 1.252 -0.128
F4 1.084 -0.626 -0.128
F5 -1.084 -0.626 -0.128

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.09121.33521.33521.3352
H21.09121.99701.99701.9970
F31.33521.99702.16812.1681
F41.33521.99702.16812.1681
F51.33521.99702.16812.1681

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 110.370 H2 C1 F4 110.370
H2 C1 F5 110.370 F3 C1 F4 108.558
F3 C1 F5 108.558 F4 C1 F5 108.558
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.463      
2 H 0.010      
3 F -0.158      
4 F -0.158      
5 F -0.158      


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 1.528 1.528
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.887 0.000 0.000
y 0.000 -21.887 0.000
z 0.000 0.000 -18.469
Traceless
 xyz
x -1.709 0.000 0.000
y 0.000 -1.709 0.000
z 0.000 0.000 3.418
Polar
3z2-r26.836
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 2.337 0.000 0.000
y 0.000 2.337 0.000
z 0.000 0.000 2.150


<r2> (average value of r2) Å2
<r2> 58.424
(<r2>)1/2 7.644