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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-65.931508
Energy at 298.15K-65.935407
HF Energy-65.931508
Nuclear repulsion energy31.785476
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' 3092 3092 18.00      
2 A' 2993 2993 4.18      
3 A' 2541 2541 119.54      
4 A' 1506 1506 5.42      
5 A' 1359 1359 76.61      
6 A' 1249 1249 25.77      
7 A' 1080 1080 72.56      
8 A' 972 972 12.37      
9 A' 576 576 0.31      
10 A" 3142 3142 21.70      
11 A" 2615 2615 170.51      
12 A" 1463 1463 6.55      
13 A" 1072 1072 21.87      
14 A" 693 693 0.91      
15 A" 131 131 2.00      

Unscaled Zero Point Vibrational Energy (zpe) 12242.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12242.0 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
3.20195 0.71747 0.65517

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 1.051 -0.961 0.000
H4 -0.443 -1.143 0.895
H5 -0.443 -1.143 -0.895
H6 0.015 1.489 -1.029
H7 0.015 1.489 1.029

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55611.10431.09261.09262.40412.4041
B21.55612.12252.24692.24691.20011.2001
H31.10432.12251.75121.75122.85232.8523
H41.09262.24691.75121.78963.29302.6757
H51.09262.24691.75121.78962.67573.2930
H62.40411.20012.85233.29302.67572.0587
H72.40411.20012.85232.67573.29302.0587

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.892 C1 B2 H7 120.892
B2 C1 H3 104.563 B2 C1 H4 114.927
B2 C1 H5 114.927 H3 C1 H4 105.717
H3 C1 H5 105.717 H4 C1 H5 109.969
H6 B2 H7 118.121
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 -0.848      
2 B 0.059      
3 H 0.227      
4 H 0.229      
5 H 0.229      
6 H 0.052      
7 H 0.052      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.109 -0.614 0.000 0.624
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.734 -0.184 0.000
y -0.184 -16.548 0.000
z 0.000 0.000 -15.678
Traceless
 xyz
x 2.378 -0.184 0.000
y -0.184 -1.842 0.000
z 0.000 0.000 -0.537
Polar
3z2-r2-1.074
x2-y22.813
xy-0.184
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.000 -0.025 0.000
y -0.025 4.508 0.000
z 0.000 0.000 4.060


<r2> (average value of r2) Å2
<r2> 29.375
(<r2>)1/2 5.420