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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: M06-2X/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 M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-65.923984
Energy at 298.15K-65.927903
HF Energy-65.923984
Nuclear repulsion energy31.906466
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 M06-2X/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' 3096 2959 9.03      
2 A' 3004 2871 2.92      
3 A' 2639 2522 106.64      
4 A' 1479 1413 2.72      
5 A' 1333 1274 71.75      
6 A' 1260 1205 16.09      
7 A' 1092 1044 61.11      
8 A' 981 938 13.03      
9 A' 561 536 0.74      
10 A" 3145 3006 10.27      
11 A" 2706 2586 149.31      
12 A" 1436 1373 4.39      
13 A" 1065 1017 18.62      
14 A" 680 650 1.13      
15 A" 145 139 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 12311.4 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 11766.0 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 M06-2X/aug-cc-pVTZ
ABC
3.22763 0.72224 0.65983

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/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 0.871 0.000
H3 1.051 -0.946 0.000
H4 -0.438 -1.140 0.893
H5 -0.438 -1.140 -0.893
H6 0.014 1.481 -1.022
H7 0.014 1.481 1.022

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55311.10171.08861.08862.39252.3925
B21.55312.10862.24082.24081.19071.1907
H31.10172.10861.74791.74792.83062.8306
H41.08862.24081.74791.78703.27812.6632
H51.08862.24081.74791.78702.66323.2781
H62.39251.19072.83063.27812.66322.0445
H72.39251.19072.83062.66323.27812.0445

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.805 C1 B2 H7 120.805
B2 C1 H3 103.872 B2 C1 H4 114.913
B2 C1 H5 114.913 H3 C1 H4 105.879
H3 C1 H5 105.879 H4 C1 H5 110.324
H6 B2 H7 118.297
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.861      
2 B 0.093      
3 H 0.302      
4 H 0.279      
5 H 0.279      
6 H -0.046      
7 H -0.046      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.085 -0.584 0.000 0.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.784 -0.172 0.000
y -0.172 -16.466 0.000
z 0.000 0.000 -15.692
Traceless
 xyz
x 2.295 -0.172 0.000
y -0.172 -1.728 0.000
z 0.000 0.000 -0.567
Polar
3z2-r2-1.135
x2-y22.682
xy-0.172
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.733 -0.039 0.000
y -0.039 4.914 0.000
z 0.000 0.000 4.267


<r2> (average value of r2) Å2
<r2> 29.212
(<r2>)1/2 5.405