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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: B2PLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-65.891161
Energy at 298.15K-65.895118
HF Energy-65.796168
Nuclear repulsion energy31.890624
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 B2PLYP/aug-cc-pVTZ
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' 3090 2969 12.83      
2 A' 2986 2870 4.41      
3 A' 2597 2495 111.60      
4 A' 1491 1433 2.14      
5 A' 1338 1286 67.54      
6 A' 1268 1219 21.55      
7 A' 1098 1055 61.84      
8 A' 976 938 12.83      
9 A' 565 543 0.67      
10 A" 3140 3017 16.14      
11 A" 2665 2561 156.65      
12 A" 1444 1388 4.08      
13 A" 1074 1032 18.14      
14 A" 690 663 1.36      
15 A" 162 156 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 12291.6 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 11812.2 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 B2PLYP/aug-cc-pVTZ
ABC
3.22937 0.72096 0.65883

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.682 0.000
B2 -0.018 0.872 0.000
H3 1.051 -0.949 0.000
H4 -0.439 -1.141 0.893
H5 -0.439 -1.141 -0.893
H6 0.014 1.483 -1.022
H7 0.014 1.483 1.022

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55401.10171.08851.08852.39512.3951
B21.55402.11132.24202.24201.19171.1917
H31.10172.11131.74741.74742.83492.8349
H41.08852.24201.74741.78553.28052.6667
H51.08852.24201.74741.78552.66673.2805
H62.39511.19172.83493.28052.66672.0444
H72.39511.19172.83492.66673.28052.0444

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.885 C1 B2 H7 120.885
B2 C1 H3 104.010 B2 C1 H4 114.945
B2 C1 H5 114.945 H3 C1 H4 105.840
H3 C1 H5 105.840 H4 C1 H5 110.208
H6 B2 H7 118.136
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.791      
2 B -0.036      
3 H 0.277      
4 H 0.277      
5 H 0.277      
6 H -0.002      
7 H -0.002      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.079 -0.612 0.000 0.617
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.811 -0.177 0.000
y -0.177 -16.637 0.000
z 0.000 0.000 -15.827
Traceless
 xyz
x 2.421 -0.177 0.000
y -0.177 -1.818 0.000
z 0.000 0.000 -0.603
Polar
3z2-r2-1.206
x2-y22.826
xy-0.177
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.765 -0.039 -0.000
y -0.039 4.989 0.000
z -0.000 0.000 4.341


<r2> (average value of r2) Å2
<r2> 29.311
(<r2>)1/2 5.414