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 CHBrF2 (Methane, bromodifluoro-)

using model chemistry: BLYP/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/daug-cc-pVTZ
 hartrees
Energy at 0K-2812.687077
Energy at 298.15K 
HF Energy-2812.687077
Nuclear repulsion energy252.949729
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 BLYP/daug-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 A' 3049 3049 6.46 94.40 0.22 0.36
2 A' 1233 1233 61.54 4.33 0.09 0.16
3 A' 1029 1029 264.47 0.75 0.73 0.85
4 A' 652 652 129.52 14.35 0.10 0.18
5 A' 549 549 5.65 3.09 0.14 0.25
6 A' 290 290 1.60 6.95 0.21 0.34
7 A" 1306 1306 5.11 3.11 0.75 0.86
8 A" 1032 1032 219.73 1.81 0.75 0.86
9 A" 292 292 0.07 1.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4716.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4716.0 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 BLYP/daug-cc-pVTZ
ABC
0.32973 0.09164 0.07482

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.431 -0.937 0.000
H2 -1.522 -1.000 0.000
Br3 0.078 0.985 0.000
F4 0.078 -1.547 1.103
F5 0.078 -1.547 -1.103

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09241.98841.35941.3594
H21.09242.54922.01882.0188
Br31.98842.54922.76202.7620
F41.35942.01882.76202.2063
F51.35942.01882.76202.2063

picture of Methane, bromodifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 108.118 H2 C1 F4 110.372
H2 C1 F5 110.372 Br3 C1 F4 109.747
Br3 C1 F5 109.747 F4 C1 F5 108.480
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.202      
2 H 0.498      
3 Br -0.441      
4 F -0.630      
5 F -0.630      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.368 -0.035 0.000 1.369
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.768 2.166 0.000
y 2.166 -34.785 0.000
z 0.000 0.000 -36.543
Traceless
 xyz
x 2.896 2.166 0.000
y 2.166 -0.129 0.000
z 0.000 0.000 -2.767
Polar
3z2-r2-5.534
x2-y22.017
xy2.166
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.415 0.353 0.000
y 0.353 7.670 0.000
z 0.000 0.000 5.642


<r2> (average value of r2) Å2
<r2> 130.640
(<r2>)1/2 11.430