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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: wB97X-D/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-11.439916
Energy at 298.15K-11.443883
HF Energy-11.439916
Nuclear repulsion energy18.605827
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/CEP-121G*
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' 3099 3099 23.16      
2 A' 3008 3008 3.10      
3 A' 2583 2583 125.90      
4 A' 1502 1502 5.09      
5 A' 1361 1361 76.80      
6 A' 1247 1247 28.71      
7 A' 1095 1095 63.04      
8 A' 961 961 11.13      
9 A' 589 589 0.52      
10 A" 3143 3143 27.97      
11 A" 2660 2660 194.02      
12 A" 1465 1465 6.94      
13 A" 1068 1068 22.26      
14 A" 687 687 0.90      
15 A" 171 171 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 12318.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12318.3 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 wB97X-D/CEP-121G*
ABC
3.18428 0.70854 0.64771

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 -0.688 0.000
B2 -0.016 0.879 0.000
H3 1.053 -0.973 0.000
H4 -0.449 -1.144 0.898
H5 -0.449 -1.144 -0.898
H6 0.013 1.497 -1.030
H7 0.013 1.497 1.030

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56781.10671.09581.09582.41652.4165
B21.56782.13892.25522.25521.20171.2017
H31.10672.13891.75861.75862.87162.8716
H41.09582.25521.75861.79573.30232.6842
H51.09582.25521.75861.79572.68423.3023
H62.41651.20172.87163.30232.68422.0604
H72.41651.20172.87162.68423.30232.0604

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.945 C1 B2 H7 120.945
B2 C1 H3 104.896 B2 C1 H4 114.543
B2 C1 H5 114.543 H3 C1 H4 105.963
H3 C1 H5 105.963 H4 C1 H5 110.044
H6 B2 H7 118.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.623      
2 B 0.076      
3 H 0.185      
4 H 0.187      
5 H 0.187      
6 H -0.006      
7 H -0.006      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.120 -0.623 0.000 0.635
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.526 -0.148 0.000
y -0.148 -16.330 0.000
z 0.000 0.000 -15.464
Traceless
 xyz
x 2.371 -0.148 0.000
y -0.148 -1.835 0.000
z 0.000 0.000 -0.536
Polar
3z2-r2-1.072
x2-y22.804
xy-0.148
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.951 -0.017 0.000
y -0.017 4.397 0.000
z 0.000 0.000 3.936


<r2> (average value of r2) Å2
<r2> 26.947
(<r2>)1/2 5.191