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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: wB97X-D/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-65.927146
Energy at 298.15K-65.931036
HF Energy-65.927146
Nuclear repulsion energy31.770485
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(2df,p)
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' 3108 3108 13.00      
2 A' 3001 3001 3.03      
3 A' 2570 2570 105.61      
4 A' 1489 1489 1.61      
5 A' 1336 1336 62.26      
6 A' 1257 1257 18.47      
7 A' 1083 1083 68.48      
8 A' 974 974 13.50      
9 A' 564 564 0.54      
10 A" 3160 3160 15.46      
11 A" 2646 2646 142.73      
12 A" 1439 1439 3.35      
13 A" 1066 1066 18.91      
14 A" 690 690 0.60      
15 A" 130 130 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 12256.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12256.8 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(2df,p)
ABC
3.19904 0.71642 0.65431

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.684 0.000
B2 -0.018 0.874 0.000
H3 1.054 -0.951 0.000
H4 -0.441 -1.146 0.896
H5 -0.441 -1.146 -0.896
H6 0.014 1.489 -1.029
H7 0.014 1.489 1.029

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55861.10491.09281.09282.40482.4048
B21.55862.11652.24962.24961.19881.1988
H31.10492.11651.75391.75392.84452.8445
H41.09282.24961.75391.79213.29422.6767
H51.09282.24961.75391.79212.67673.2942
H62.40481.19882.84453.29422.67672.0575
H72.40481.19882.84452.67673.29422.0575

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.849 C1 B2 H7 120.849
B2 C1 H3 103.932 B2 C1 H4 114.957
B2 C1 H5 114.957 H3 C1 H4 105.891
H3 C1 H5 105.891 H4 C1 H5 110.166
H6 B2 H7 118.209
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.463      
2 B 0.056      
3 H 0.157      
4 H 0.144      
5 H 0.144      
6 H -0.019      
7 H -0.019      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.108 -0.684 0.000 0.692
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.380 -0.177 0.000
y -0.177 -15.991 0.000
z 0.000 0.000 -15.232
Traceless
 xyz
x 2.231 -0.177 0.000
y -0.177 -1.684 0.000
z 0.000 0.000 -0.546
Polar
3z2-r2-1.093
x2-y22.610
xy-0.177
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.998 -0.013 0.000
y -0.013 4.258 0.000
z 0.000 0.000 3.769


<r2> (average value of r2) Å2
<r2> 29.106
(<r2>)1/2 5.395