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: M06-2X/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 M06-2X/3-21G
 hartrees
Energy at 0K-3516.241486
Energy at 298.15K 
HF Energy-3516.241486
Nuclear repulsion energy384.242262
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 M06-2X/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' 3259 3124 2.29 76.18 0.25 0.40
2 A' 1212 1162 35.70 9.22 0.75 0.86
3 A' 715 686 133.65 8.52 0.45 0.62
4 A' 572 548 5.99 12.60 0.01 0.01
5 A' 308 296 0.49 11.56 0.31 0.48
6 A' 211 202 0.88 7.30 0.66 0.80
7 A" 1230 1179 18.24 9.55 0.75 0.86
8 A" 718 689 141.85 9.29 0.75 0.86
9 A" 202 194 0.12 7.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4213.8 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 4039.8 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 M06-2X/3-21G
ABC
0.10237 0.05757 0.03790

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.682 -0.101 0.000
H2 -1.611 0.452 0.000
Br3 0.826 1.141 0.000
Cl4 -0.682 -1.170 1.505
Cl5 -0.682 -1.170 -1.505

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.08151.95401.84571.8457
H21.08152.53262.40002.4000
Br31.95402.53263.14363.1436
Cl41.84572.40003.14363.0092
Cl51.84572.40003.14363.0092

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 109.717 H2 C1 Cl4 107.244
H2 C1 Cl5 107.244 Br3 C1 Cl4 111.617
Br3 C1 Cl5 111.617 Cl4 C1 Cl5 109.210
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.818      
2 H 0.361      
3 Br 0.232      
4 Cl 0.113      
5 Cl 0.113      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.715 1.539 0.000 1.697
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.900 -0.750 0.000
y -0.750 -50.854 0.000
z 0.000 0.000 -52.378
Traceless
 xyz
x 3.716 -0.750 0.000
y -0.750 -0.716 0.000
z 0.000 0.000 -3.001
Polar
3z2-r2-6.002
x2-y22.955
xy-0.750
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.465 2.169 0.000
y 2.169 6.152 0.000
z 0.000 0.000 6.620


<r2> (average value of r2) Å2
<r2> 245.954
(<r2>)1/2 15.683