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: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-65.919673
Energy at 298.15K-65.923561
HF Energy-65.919673
Nuclear repulsion energy31.712532
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 wB97X-D/6-31G*
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' 3118 2957 14.23      
2 A' 3014 2859 3.58      
3 A' 2588 2455 111.23      
4 A' 1519 1441 3.00      
5 A' 1374 1303 66.86      
6 A' 1266 1201 27.46      
7 A' 1090 1034 77.58      
8 A' 973 923 11.95      
9 A' 583 553 0.27      
10 A" 3167 3004 17.37      
11 A" 2663 2526 163.01      
12 A" 1477 1401 4.71      
13 A" 1077 1022 21.32      
14 A" 693 658 0.55      
15 A" 124 118 1.99      

Unscaled Zero Point Vibrational Energy (zpe) 12362.0 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 11725.4 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 wB97X-D/6-31G*
ABC
3.19188 0.71290 0.65150

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 -0.686 0.000
B2 -0.017 0.876 0.000
H3 1.052 -0.968 0.000
H4 -0.449 -1.142 0.896
H5 -0.449 -1.142 -0.896
H6 0.015 1.493 -1.029
H7 0.015 1.493 1.029

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56231.10511.09431.09432.41032.4103
B21.56232.13132.25002.25001.20051.2005
H31.10512.13131.75651.75652.86202.8620
H41.09432.25001.75651.79243.29632.6787
H51.09432.25001.75651.79242.67873.2963
H62.41031.20052.86203.29632.67872.0589
H72.41031.20052.86202.67873.29632.0589

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.916 C1 B2 H7 120.916
B2 C1 H3 104.767 B2 C1 H4 114.615
B2 C1 H5 114.615 H3 C1 H4 105.995
H3 C1 H5 105.995 H4 C1 H5 109.959
H6 B2 H7 118.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.650      
2 B 0.144      
3 H 0.183      
4 H 0.180      
5 H 0.180      
6 H -0.018      
7 H -0.018      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.124 -0.646 0.000 0.658
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.393 -0.177 0.000
y -0.177 -16.032 0.000
z 0.000 0.000 -15.328
Traceless
 xyz
x 2.287 -0.177 0.000
y -0.177 -1.672 0.000
z 0.000 0.000 -0.615
Polar
3z2-r2-1.231
x2-y22.639
xy-0.177
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.742 -0.013 0.000
y -0.013 4.109 0.000
z 0.000 0.000 3.684


<r2> (average value of r2) Å2
<r2> 29.222
(<r2>)1/2 5.406