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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: PBEPBE/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 PBEPBE/TZVP
 hartrees
Energy at 0K-65.844856
Energy at 298.15K-65.848755
HF Energy-65.844856
Nuclear repulsion energy31.719055
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/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' 3010 2977 12.30      
2 A' 2905 2872 4.30      
3 A' 2512 2484 105.63      
4 A' 1429 1413 3.74      
5 A' 1280 1266 80.85      
6 A' 1204 1191 13.19      
7 A' 1050 1038 57.47      
8 A' 962 951 11.71      
9 A' 522 516 0.89      
10 A" 3063 3028 13.48      
11 A" 2583 2554 142.35      
12 A" 1377 1362 5.57      
13 A" 1028 1017 18.89      
14 A" 666 658 0.49      
15 A" 174 172 2.76      

Unscaled Zero Point Vibrational Energy (zpe) 11882.0 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 11748.9 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 PBEPBE/TZVP
ABC
3.16914 0.71863 0.65509

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.021 -0.682 0.000
B2 -0.021 0.871 0.000
H3 1.063 -0.936 0.000
H4 -0.431 -1.156 0.903
H5 -0.431 -1.156 -0.903
H6 0.014 1.490 -1.034
H7 0.014 1.490 1.034

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55271.11351.09921.09922.40582.4058
B21.55272.10702.25662.25661.20571.2057
H31.11352.10701.75971.75972.83802.8380
H41.09922.25661.75971.80563.30942.6868
H51.09922.25661.75971.80562.68683.3094
H62.40581.20572.83803.30942.68682.0677
H72.40581.20572.83802.68683.30942.0677

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.909 C1 B2 H7 120.909
B2 C1 H3 103.183 B2 C1 H4 115.565
B2 C1 H5 115.565 H3 C1 H4 105.358
H3 C1 H5 105.358 H4 C1 H5 110.434
H6 B2 H7 118.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.456      
2 B 0.051      
3 H 0.133      
4 H 0.141      
5 H 0.141      
6 H -0.005      
7 H -0.005      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.142 -0.765 0.000 0.778
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.916 -0.199 0.000
y -0.199 -16.596 0.000
z 0.000 0.000 -15.806
Traceless
 xyz
x 2.284 -0.199 0.000
y -0.199 -1.735 0.000
z 0.000 0.000 -0.550
Polar
3z2-r2-1.099
x2-y22.680
xy-0.199
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.281 -0.019 0.000
y -0.019 4.994 0.000
z 0.000 0.000 4.261


<r2> (average value of r2) Å2
<r2> 29.490
(<r2>)1/2 5.431