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-65.925688
Energy at 298.15K-65.929579
HF Energy-65.925688
Nuclear repulsion energy31.749229
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' 3119 3119 14.13      
2 A' 3013 3013 3.18      
3 A' 2577 2577 108.91      
4 A' 1502 1502 2.44      
5 A' 1355 1355 68.45      
6 A' 1263 1263 22.15      
7 A' 1088 1088 76.08      
8 A' 974 974 12.36      
9 A' 576 576 0.35      
10 A" 3172 3172 16.73      
11 A" 2652 2652 157.03      
12 A" 1454 1454 3.96      
13 A" 1072 1072 20.67      
14 A" 694 694 0.56      
15 A" 126 126 2.00      

Unscaled Zero Point Vibrational Energy (zpe) 12318.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12318.8 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 wB97X-D/6-31G**
ABC
3.19698 0.71490 0.65311

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 -0.685 0.000
B2 -0.017 0.875 0.000
H3 1.052 -0.960 0.000
H4 -0.445 -1.142 0.896
H5 -0.445 -1.142 -0.896
H6 0.014 1.491 -1.029
H7 0.014 1.491 1.029

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56041.10421.09311.09312.40762.4076
B21.56042.12382.24832.24831.19951.1995
H31.10422.12381.75461.75462.85352.8535
H41.09312.24831.75461.79233.29402.6763
H51.09312.24831.75461.79232.67633.2940
H62.40761.19952.85353.29402.67632.0575
H72.40761.19952.85352.67633.29402.0575

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.904 C1 B2 H7 120.904
B2 C1 H3 104.392 B2 C1 H4 114.699
B2 C1 H5 114.699 H3 C1 H4 105.982
H3 C1 H5 105.982 H4 C1 H5 110.138
H6 B2 H7 118.100
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 -0.517      
2 B 0.202      
3 H 0.142      
4 H 0.137      
5 H 0.137      
6 H -0.051      
7 H -0.051      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.124 -0.659 0.000 0.670
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.407 -0.180 0.000
y -0.180 -16.013 0.000
z 0.000 0.000 -15.331
Traceless
 xyz
x 2.265 -0.180 0.000
y -0.180 -1.644 0.000
z 0.000 0.000 -0.621
Polar
3z2-r2-1.242
x2-y22.606
xy-0.180
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.799 -0.012 0.000
y -0.012 4.167 0.000
z 0.000 0.000 3.722


<r2> (average value of r2) Å2
<r2> 29.171
(<r2>)1/2 5.401