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 CHBrCl2 (Methane, bromodichloro-)

using model chemistry: B2PLYP=FULLultrafine/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/cc-pVDZ
 hartrees
Energy at 0K-3532.472093
Energy at 298.15K 
HF Energy-3532.284236
Nuclear repulsion energy391.686068
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 B2PLYP=FULLultrafine/cc-pVDZ
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' 3203 3069 0.17 73.13 0.24 0.38
2 A' 1192 1142 38.84 4.84 0.66 0.79
3 A' 724 694 132.66 4.20 0.61 0.76
4 A' 603 578 23.19 9.60 0.05 0.09
5 A' 331 317 0.20 8.76 0.25 0.40
6 A' 222 213 0.01 5.86 0.58 0.74
7 A" 1230 1179 21.57 5.01 0.75 0.86
8 A" 766 734 153.46 2.57 0.75 0.86
9 A" 216 207 0.01 4.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4243.9 cm-1
Scaled (by 0.9582) Zero Point Vibrational Energy (zpe) 4066.5 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 B2PLYP=FULLultrafine/cc-pVDZ
ABC
0.10734 0.05960 0.03937

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.675 -0.141 0.000
H2 -1.588 0.458 0.000
Br3 0.817 1.121 0.000
Cl4 -0.675 -1.143 1.470
Cl5 -0.675 -1.143 -1.470

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.09211.95361.77951.7795
H21.09212.49462.35782.3578
Br31.95362.49463.08443.0844
Cl41.77952.35783.08442.9405
Cl51.77952.35783.08442.9405

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 106.529 H2 C1 Cl4 107.984
H2 C1 Cl5 107.984 Br3 C1 Cl4 111.340
Br3 C1 Cl5 111.340 Cl4 C1 Cl5 111.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.163      
2 H 0.150      
3 Br 0.023      
4 Cl -0.005      
5 Cl -0.005      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.855 0.666 0.000 1.084
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.370 -0.321 0.018
y -0.321 -49.361 0.034
z 0.018 0.034 -49.864
Traceless
 xyz
x 2.243 -0.321 0.018
y -0.321 -0.744 0.034
z 0.018 0.034 -1.499
Polar
3z2-r2-2.997
x2-y21.991
xy-0.321
xz0.018
yz0.034


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.542 1.872 0.000
y 1.872 6.959 0.001
z 0.000 0.001 7.259


<r2> (average value of r2) Å2
<r2> 236.849
(<r2>)1/2 15.390