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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: TPSSh/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/TZVP
 hartrees
Energy at 0K-65.973957
Energy at 298.15K-65.977899
HF Energy-65.973957
Nuclear repulsion energy31.790610
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 TPSSh/TZVP
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' 3061 2950 17.06      
2 A' 2961 2854 5.64      
3 A' 2575 2481 115.55      
4 A' 1491 1437 2.68      
5 A' 1340 1291 70.06      
6 A' 1264 1218 23.61      
7 A' 1091 1051 65.73      
8 A' 969 934 14.36      
9 A' 555 535 0.79      
10 A" 3109 2997 21.30      
11 A" 2642 2546 162.55      
12 A" 1445 1392 4.45      
13 A" 1071 1032 19.01      
14 A" 683 658 0.93      
15 A" 163 157 1.95      

Unscaled Zero Point Vibrational Energy (zpe) 12209.1 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 11765.9 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 TPSSh/TZVP
ABC
3.20623 0.71738 0.65526

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.683 0.000
B2 -0.019 0.874 0.000
H3 1.054 -0.952 0.000
H4 -0.439 -1.147 0.896
H5 -0.439 -1.147 -0.896
H6 0.015 1.488 -1.027
H7 0.015 1.488 1.027

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55671.10611.09291.09292.40182.4018
B21.55672.11762.25022.25021.19701.1970
H31.10612.11761.75211.75212.84382.8438
H41.09292.25021.75211.79153.29342.6771
H51.09292.25021.75211.79152.67713.2934
H62.40181.19702.84383.29342.67712.0538
H72.40181.19702.84382.67713.29342.0538

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.870 C1 B2 H7 120.870
B2 C1 H3 104.069 B2 C1 H4 115.136
B2 C1 H5 115.136 H3 C1 H4 105.647
H3 C1 H5 105.647 H4 C1 H5 110.088
H6 B2 H7 118.158
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.407      
2 B 0.087      
3 H 0.117      
4 H 0.123      
5 H 0.123      
6 H -0.021      
7 H -0.021      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.109 -0.651 0.000 0.660
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.153 -0.016 0.000
y -0.016 4.720 0.000
z 0.000 0.000 4.113


<r2> (average value of r2) Å2
<r2> 29.334
(<r2>)1/2 5.416