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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: wB97X-D/CEP-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/CEP-31G
 hartrees
Energy at 0K-11.416469
Energy at 298.15K-11.420399
HF Energy-11.416469
Nuclear repulsion energy18.499833
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-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' 3143 3143 30.68      
2 A' 3036 3036 3.13      
3 A' 2544 2544 139.03      
4 A' 1512 1512 11.33      
5 A' 1393 1393 108.65      
6 A' 1233 1233 28.77      
7 A' 1093 1093 51.05      
8 A' 970 970 12.15      
9 A' 625 625 0.82      
10 A" 3192 3192 38.42      
11 A" 2609 2609 229.53      
12 A" 1479 1479 13.28      
13 A" 1073 1073 24.23      
14 A" 694 694 0.08      
15 A" 133 133 3.35      

Unscaled Zero Point Vibrational Energy (zpe) 12364.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12364.6 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-31G
ABC
3.14399 0.69949 0.63987

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 -0.695 0.000
B2 -0.014 0.884 0.000
H3 1.056 -0.994 0.000
H4 -0.462 -1.138 0.902
H5 -0.462 -1.138 -0.902
H6 0.011 1.508 -1.036
H7 0.011 1.508 1.036

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.57901.11081.10061.10062.43442.4344
B21.57902.16122.25902.25901.20941.2094
H31.11082.16121.77201.77202.90222.9022
H41.10062.25901.77201.80473.31372.6911
H51.10062.25901.77201.80472.69113.3137
H62.43441.20942.90223.31372.69112.0716
H72.43441.20942.90222.69113.31372.0716

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 121.055 C1 B2 H7 121.055
B2 C1 H3 105.605 B2 C1 H4 113.728
B2 C1 H5 113.728 H3 C1 H4 106.502
H3 C1 H5 106.502 H4 C1 H5 110.143
H6 B2 H7 117.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.277      
2 B -0.373      
3 H 0.145      
4 H 0.160      
5 H 0.160      
6 H 0.092      
7 H 0.092      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.151 -0.623 0.000 0.641
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.404 -0.138 0.000
y -0.138 -15.917 0.000
z 0.000 0.000 -15.009
Traceless
 xyz
x 2.059 -0.138 0.000
y -0.138 -1.710 0.000
z 0.000 0.000 -0.348
Polar
3z2-r2-0.697
x2-y22.512
xy-0.138
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.673 -0.017 0.000
y -0.017 3.686 0.000
z 0.000 0.000 3.020


<r2> (average value of r2) Å2
<r2> 26.948
(<r2>)1/2 5.191