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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: mPW1PW91/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/Def2TZVPP
 hartrees
Energy at 0K-5287.253556
Energy at 298.15K 
HF Energy-5287.253556
Nuclear repulsion energy483.010140
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 mPW1PW91/Def2TZVPP
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' 3175 3175 0.15 73.21 0.22 0.36
2 A' 1325 1325 12.10 3.66 0.56 0.72
3 A' 1121 1121 188.06 1.92 0.63 0.77
4 A' 631 631 23.16 10.41 0.08 0.15
5 A' 365 365 0.28 5.13 0.15 0.26
6 A' 170 170 0.00 3.29 0.43 0.61
7 A" 1194 1194 76.01 1.19 0.75 0.86
8 A" 716 716 196.94 4.84 0.75 0.86
9 A" 301 301 0.04 2.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4499.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4499.6 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 mPW1PW91/Def2TZVPP
ABC
0.18487 0.04111 0.03435

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.101 0.784 0.000
H2 -1.012 1.371 0.000
F3 0.966 1.592 0.000
Br4 -0.101 -0.291 1.601
Br5 -0.101 -0.291 -1.601

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08391.33801.92931.9293
H21.08391.99052.48182.4818
F31.33801.99052.69262.6926
Br41.92932.48182.69263.2030
Br51.92932.48182.69263.2030

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.103 H2 C1 Br4 107.570
H2 C1 Br5 107.570 F3 C1 Br4 109.665
F3 C1 Br5 109.665 Br4 C1 Br5 112.216
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.096      
2 H 0.149      
3 F -0.135      
4 Br -0.055      
5 Br -0.055      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.043 0.474 0.000 1.146
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.654 -2.077 0.000
y -2.077 -46.522 0.000
z 0.000 0.000 -46.769
Traceless
 xyz
x -1.009 -2.077 0.000
y -2.077 0.689 0.000
z 0.000 0.000 0.319
Polar
3z2-r20.639
x2-y2-1.132
xy-2.077
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.874 0.199 0.000
y 0.199 6.853 0.000
z 0.000 0.000 10.363


<r2> (average value of r2) Å2
<r2> 253.395
(<r2>)1/2 15.918