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All results from a given calculation for CHBrCl2 (Methane, bromodichloro-)

using model chemistry: PBEPBEultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-3515.390672
Energy at 298.15K 
HF Energy-3515.390672
Nuclear repulsion energy380.182800
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 PBEPBEultrafine/3-21G
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' 3159 3130 0.50 77.59 0.28 0.43
2 A' 1162 1151 32.53 9.15 0.75 0.86
3 A' 668 661 194.82 4.96 0.25 0.40
4 A' 561 556 4.94 10.90 0.01 0.01
5 A' 295 293 0.28 14.21 0.27 0.43
6 A' 203 202 0.32 7.95 0.68 0.81
7 A" 1167 1157 14.52 9.52 0.75 0.86
8 A" 633 627 197.93 3.66 0.75 0.86
9 A" 199 197 0.01 8.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4023.4 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 3986.8 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 PBEPBEultrafine/3-21G
ABC
0.09961 0.05649 0.03705

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.675 -0.107 0.000
H2 -1.622 0.437 0.000
Br3 0.818 1.163 0.000
Cl4 -0.675 -1.191 1.526
Cl5 -0.675 -1.191 -1.526

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.09211.96001.87241.8724
H21.09212.54602.42452.4245
Br31.96002.54603.17843.1784
Cl41.87242.42453.17843.0524
Cl51.87242.42453.17843.0524

picture of Methane, bromodichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 109.766 H2 C1 Cl4 106.762
H2 C1 Cl5 106.762 Br3 C1 Cl4 112.042
Br3 C1 Cl5 112.042 Cl4 C1 Cl5 109.196
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.807      
2 H 0.362      
3 Br 0.234      
4 Cl 0.106      
5 Cl 0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.624 1.582 0.000 1.701
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.540 -0.547 0.000
y -0.547 -50.263 0.000
z 0.000 0.000 -51.809
Traceless
 xyz
x 3.496 -0.547 0.000
y -0.547 -0.588 0.000
z 0.000 0.000 -2.907
Polar
3z2-r2-5.814
x2-y22.723
xy-0.547
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.606 2.390 0.000
y 2.390 6.632 0.000
z 0.000 0.000 7.100


<r2> (average value of r2) Å2
<r2> 250.491
(<r2>)1/2 15.827