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: B97D3/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/STO-3G
 hartrees
Energy at 0K-2782.270986
Energy at 298.15K 
HF Energy-2782.270986
Nuclear repulsion energy245.990279
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 B97D3/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 A' 3054 3054 30.64 49.22 0.39 0.56
2 A' 1283 1283 88.70 7.20 0.70 0.82
3 A' 1128 1128 99.85 2.43 0.24 0.39
4 A' 673 673 69.09 9.30 0.31 0.48
5 A' 529 529 9.11 2.38 0.38 0.55
6 A' 307 307 1.35 4.47 0.43 0.60
7 A" 1393 1393 50.53 4.96 0.75 0.86
8 A" 1183 1183 65.03 4.30 0.75 0.86
9 A" 292 292 1.52 2.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4921.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4921.5 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 B97D3/STO-3G
ABC
0.31083 0.08668 0.07062

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.427 -0.960 0.000
H2 -1.568 -0.995 0.000
Br3 0.078 1.013 0.000
F4 0.078 -1.594 1.138
F5 0.078 -1.594 -1.138

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.14082.03651.39741.3974
H21.14082.59622.08852.0885
Br32.03652.59622.84412.8441
F41.39742.08852.84412.2767
F51.39742.08852.84412.2767

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 106.139 H2 C1 F4 110.334
H2 C1 F5 110.334 Br3 C1 F4 110.456
Br3 C1 F5 110.456 F4 C1 F5 109.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.106      
2 H 0.086      
3 Br -0.079      
4 F -0.056      
5 F -0.056      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.900 -1.224 0.000 1.520
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.102 0.982 0.000
y 0.982 -30.257 0.000
z 0.000 0.000 -30.941
Traceless
 xyz
x 1.497 0.982 0.000
y 0.982 -0.236 0.000
z 0.000 0.000 -1.261
Polar
3z2-r2-2.523
x2-y21.156
xy0.982
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.129 0.434 0.000
y 0.434 3.734 0.000
z 0.000 0.000 1.402


<r2> (average value of r2) Å2
<r2> 134.132
(<r2>)1/2 11.582