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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311G**
 hartrees
Energy at 0K-65.866799
Energy at 298.15K-65.870746
HF Energy-65.866799
Nuclear repulsion energy31.849536
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 HSEh1PBE/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 2970 13.68      
2 A' 2989 2870 3.73      
3 A' 2559 2458 112.15      
4 A' 1473 1414 3.96      
5 A' 1324 1271 77.41      
6 A' 1238 1189 17.52      
7 A' 1079 1036 65.05      
8 A' 981 942 11.79      
9 A' 552 530 0.81      
10 A" 3146 3021 15.25      
11 A" 2631 2526 154.26      
12 A" 1425 1368 5.31      
13 A" 1058 1017 20.21      
14 A" 682 655 0.68      
15 A" 171 165 2.14      

Unscaled Zero Point Vibrational Energy (zpe) 12198.7 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 11715.6 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 HSEh1PBE/6-311G**
ABC
3.20323 0.72248 0.65923

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.020 -0.681 0.000
B2 -0.020 0.869 0.000
H3 1.056 -0.940 0.000
H4 -0.435 -1.146 0.897
H5 -0.435 -1.146 -0.897
H6 0.015 1.486 -1.028
H7 0.015 1.486 1.028

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55021.10581.09251.09252.39822.3982
B21.55022.10442.24442.24441.19891.1989
H31.10582.10441.75201.75202.83242.8324
H41.09252.24441.75201.79413.29112.6728
H51.09252.24441.75201.79412.67283.2911
H62.39821.19892.83243.29112.67282.0553
H72.39821.19892.83242.67283.29112.0553

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.945 C1 B2 H7 120.945
B2 C1 H3 103.538 B2 C1 H4 115.176
B2 C1 H5 115.176 H3 C1 H4 105.687
H3 C1 H5 105.687 H4 C1 H5 110.393
H6 B2 H7 118.003
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.480      
2 B 0.099      
3 H 0.133      
4 H 0.134      
5 H 0.134      
6 H -0.009      
7 H -0.009      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.121 -0.687 0.000 0.697
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.736 -0.195 0.000
y -0.195 -16.423 0.000
z 0.000 0.000 -15.638
Traceless
 xyz
x 2.294 -0.195 0.000
y -0.195 -1.736 0.000
z 0.000 0.000 -0.558
Polar
3z2-r2-1.116
x2-y22.686
xy-0.195
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.065 -0.025 0.000
y -0.025 4.637 0.000
z 0.000 0.000 4.102


<r2> (average value of r2) Å2
<r2> 29.237
(<r2>)1/2 5.407