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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: wB97X-D/6-311G**

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/6-311G**
 hartrees
Energy at 0K-65.938442
Energy at 298.15K-65.942339
HF Energy-65.938442
Nuclear repulsion energy31.806663
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/6-311G**
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' 3094 2960 15.44      
2 A' 2992 2861 3.43      
3 A' 2546 2435 116.19      
4 A' 1488 1423 4.11      
5 A' 1338 1280 74.43      
6 A' 1250 1196 21.30      
7 A' 1080 1033 70.10      
8 A' 973 931 12.99      
9 A' 571 546 0.52      
10 A" 3146 3009 17.70      
11 A" 2619 2505 162.22      
12 A" 1437 1374 5.32      
13 A" 1067 1021 20.54      
14 A" 694 664 0.91      
15 A" 128 123 1.91      

Unscaled Zero Point Vibrational Energy (zpe) 12210.5 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 11679.3 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/6-311G**
ABC
3.20114 0.71877 0.65633

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.683 0.000
B2 -0.018 0.873 0.000
H3 1.054 -0.949 0.000
H4 -0.441 -1.143 0.896
H5 -0.441 -1.143 -0.896
H6 0.015 1.487 -1.028
H7 0.015 1.487 1.028

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55601.10451.09221.09222.40152.4015
B21.55602.11392.24582.24581.19791.1979
H31.10452.11391.75351.75352.84082.8408
H41.09222.24581.75351.79243.29012.6720
H51.09222.24581.75351.79242.67203.2901
H62.40151.19792.84083.29012.67202.0559
H72.40151.19792.84082.67203.29012.0559

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.844 C1 B2 H7 120.844
B2 C1 H3 103.929 B2 C1 H4 114.875
B2 C1 H5 114.875 H3 C1 H4 105.921
H3 C1 H5 105.921 H4 C1 H5 110.284
H6 B2 H7 118.213
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.474      
2 B 0.137      
3 H 0.126      
4 H 0.128      
5 H 0.128      
6 H -0.023      
7 H -0.023      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.108 -0.620 0.000 0.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.697 -0.191 0.000
y -0.191 -16.444 0.000
z 0.000 0.000 -15.665
Traceless
 xyz
x 2.358 -0.191 0.000
y -0.191 -1.763 0.000
z 0.000 0.000 -0.595
Polar
3z2-r2-1.189
x2-y22.747
xy-0.191
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.069 -0.022 0.000
y -0.022 4.577 0.000
z 0.000 0.000 4.107


<r2> (average value of r2) Å2
<r2> 29.302
(<r2>)1/2 5.413