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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-65.820804
Energy at 298.15K-65.824706
HF Energy-65.820804
Nuclear repulsion energy31.547099
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 PBEPBE/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' 3021 3003 11.16      
2 A' 2906 2889 3.69      
3 A' 2507 2492 109.34      
4 A' 1398 1389 1.58      
5 A' 1258 1251 68.54      
6 A' 1181 1174 9.27      
7 A' 1038 1032 48.63      
8 A' 964 959 12.03      
9 A' 505 502 1.63      
10 A" 3081 3063 10.84      
11 A" 2582 2567 148.11      
12 A" 1343 1335 3.18      
13 A" 1013 1007 17.13      
14 A" 656 652 0.38      
15 A" 195 194 2.65      

Unscaled Zero Point Vibrational Energy (zpe) 11823.6 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 11755.0 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 PBEPBE/cc-pVDZ
ABC
3.11228 0.71482 0.65031

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/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
C11.55531.12331.10781.10782.41872.4187
B21.55532.09942.27012.27011.21871.2187
H31.12332.09941.77301.77302.83682.8368
H41.10782.27011.77301.82383.33592.7048
H51.10782.27011.77301.82382.70483.3359
H62.41871.21872.83683.33592.70482.0903
H72.41871.21872.83682.70483.33592.0903

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.888 C1 B2 H7 120.888
B2 C1 H3 102.008 B2 C1 H4 115.944
B2 C1 H5 115.944 H3 C1 H4 105.248
H3 C1 H5 105.248 H4 C1 H5 110.804
H6 B2 H7 118.097
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/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
  0.166 -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 -0.518
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> 29.504
(<r2>)1/2 5.432