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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: PBE1PBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-65.844387
Energy at 298.15K-65.848330
HF Energy-65.844387
Nuclear repulsion energy31.695281
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 PBE1PBE/cc-pVDZ
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' 3112 2992 10.93      
2 A' 3001 2886 2.63      
3 A' 2571 2472 112.99      
4 A' 1446 1390 2.39      
5 A' 1306 1256 71.40      
6 A' 1221 1174 12.75      
7 A' 1068 1027 58.70      
8 A' 984 946 12.23      
9 A' 536 515 1.16      
10 A" 3171 3049 9.94      
11 A" 2647 2545 157.34      
12 A" 1395 1341 3.78      
13 A" 1046 1006 19.19      
14 A" 674 648 0.54      
15 A" 184 177 2.18      

Unscaled Zero Point Vibrational Energy (zpe) 12180.0 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 11711.0 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 PBE1PBE/cc-pVDZ
ABC
3.15171 0.71891 0.65487

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.021 -0.683 0.000
B2 -0.021 0.870 0.000
H3 1.065 -0.929 0.000
H4 -0.432 -1.155 0.904
H5 -0.432 -1.155 -0.904
H6 0.016 1.492 -1.038
H7 0.016 1.492 1.038

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55251.11361.09991.09992.41022.4102
B21.55252.10122.25502.25501.21091.2109
H31.11362.10121.76361.76362.83552.8355
H41.09992.25501.76361.80893.31352.6877
H51.09992.25501.76361.80892.68773.3135
H62.41021.21092.83553.31352.68772.0762
H72.41021.21092.83552.68773.31352.0762

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.929 C1 B2 H7 120.929
B2 C1 H3 102.778 B2 C1 H4 115.408
B2 C1 H5 115.408 H3 C1 H4 105.639
H3 C1 H5 105.639 H4 C1 H5 110.639
H6 B2 H7 118.021
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.135      
2 B 0.001      
3 H 0.071      
4 H 0.052      
5 H 0.052      
6 H -0.020      
7 H -0.020      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.138 -0.772 0.000 0.784
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.660 -0.211 0.000
y -0.211 -16.191 0.000
z 0.000 0.000 -15.466
Traceless
 xyz
x 2.168 -0.211 0.000
y -0.211 -1.628 0.000
z 0.000 0.000 -0.540
Polar
3z2-r2-1.081
x2-y22.531
xy-0.211
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.033 -0.032 0.000
y -0.032 4.545 0.000
z 0.000 0.000 3.954


<r2> (average value of r2) Å2
<r2> 29.300
(<r2>)1/2 5.413