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 CH3BH2 (methylborane)

using model chemistry: M06-2X/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-65.902547
Energy at 298.15K-65.906450
HF Energy-65.902547
Nuclear repulsion energy31.843676
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/6-31G(2df,p)
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' 3110 2962 9.78      
2 A' 3016 2872 2.48      
3 A' 2644 2518 95.98      
4 A' 1479 1409 1.51      
5 A' 1335 1271 67.77      
6 A' 1262 1201 14.92      
7 A' 1094 1042 67.68      
8 A' 983 937 12.69      
9 A' 556 530 0.98      
10 A" 3161 3011 10.85      
11 A" 2718 2589 132.49      
12 A" 1438 1370 3.07      
13 A" 1061 1010 18.66      
14 A" 673 641 0.78      
15 A" 144 137 1.40      

Unscaled Zero Point Vibrational Energy (zpe) 12337.6 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 11750.3 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/6-31G(2df,p)
ABC
3.21589 0.71942 0.65731

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.683 0.000
B2 -0.019 0.873 0.000
H3 1.054 -0.943 0.000
H4 -0.438 -1.145 0.895
H5 -0.438 -1.145 -0.895
H6 0.015 1.484 -1.024
H7 0.015 1.484 1.024

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55601.10401.09111.09112.39712.3971
B21.55602.10922.24692.24691.19291.1929
H31.10402.10921.75201.75202.83182.8318
H41.09112.24691.75201.79023.28632.6709
H51.09112.24691.75201.79022.67093.2863
H62.39711.19292.83183.28632.67092.0478
H72.39711.19292.83182.67093.28632.0478

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.822 C1 B2 H7 120.822
B2 C1 H3 103.622 B2 C1 H4 115.039
B2 C1 H5 115.039 H3 C1 H4 105.906
H3 C1 H5 105.906 H4 C1 H5 110.241
H6 B2 H7 118.251
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.450      
2 B 0.083      
3 H 0.152      
4 H 0.138      
5 H 0.138      
6 H -0.031      
7 H -0.031      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.102 -0.647 0.000 0.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.468 -0.175 0.000
y -0.175 -16.042 0.000
z 0.000 0.000 -15.318
Traceless
 xyz
x 2.212 -0.175 0.000
y -0.175 -1.649 0.000
z 0.000 0.000 -0.563
Polar
3z2-r2-1.126
x2-y22.574
xy-0.175
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.984 -0.014 0.000
y -0.014 4.208 0.000
z 0.000 0.000 3.726


<r2> (average value of r2) Å2
<r2> 29.057
(<r2>)1/2 5.390