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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-65.820800
Energy at 298.15K-65.824700
HF Energy-65.820800
Nuclear repulsion energy31.547243
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 PBEPBEultrafine/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3021 3004 11.17      
2 A' 2906 2890 3.70      
3 A' 2506 2491 109.27      
4 A' 1398 1390 1.58      
5 A' 1258 1250 68.49      
6 A' 1180 1174 9.30      
7 A' 1038 1032 48.56      
8 A' 964 959 12.11      
9 A' 504 501 1.62      
10 A" 3081 3063 10.84      
11 A" 2580 2565 147.99      
12 A" 1343 1335 3.16      
13 A" 1013 1007 17.14      
14 A" 656 652 0.39      
15 A" 194 193 2.65      

Unscaled Zero Point Vibrational Energy (zpe) 11820.6 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 11752.0 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 PBEPBEultrafine/cc-pVDZ
ABC
3.11233 0.71483 0.65032

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.023 -0.683 0.000
B2 -0.023 0.872 0.000
H3 1.075 -0.917 0.000
H4 -0.424 -1.168 0.912
H5 -0.424 -1.168 -0.912
H6 0.015 1.497 -1.045
H7 0.015 1.497 1.045

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55521.12331.10781.10782.41872.4187
B21.55522.09902.27022.27021.21871.2187
H31.12332.09901.77301.77302.83632.8363
H41.10782.27021.77301.82383.33602.7049
H51.10782.27021.77301.82382.70493.3360
H62.41871.21872.83633.33602.70492.0903
H72.41871.21872.83632.70493.33602.0903

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.889 C1 B2 H7 120.889
B2 C1 H3 101.977 B2 C1 H4 115.953
B2 C1 H5 115.953 H3 C1 H4 105.251
H3 C1 H5 105.251 H4 C1 H5 110.807
H6 B2 H7 118.094
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.066      
2 B -0.054      
3 H 0.064      
4 H 0.040      
5 H 0.040      
6 H -0.012      
7 H -0.012      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.167 -0.868 0.000 0.884
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.790 -0.225 0.000
y -0.225 -16.207 0.000
z 0.000 0.000 -15.516
Traceless
 xyz
x 2.072 -0.225 0.000
y -0.225 -1.555 0.000
z 0.000 0.000 -0.517
Polar
3z2-r2-1.035
x2-y22.418
xy-0.225
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.120 -0.045 0.000
y -0.045 4.785 0.000
z 0.000 0.000 4.060


<r2> (average value of r2) Å2
<r2> 29.503
(<r2>)1/2 5.432