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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-65.925000
Energy at 298.15K-65.928887
HF Energy-65.925000
Nuclear repulsion energy31.735433
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 B97D3/6-311+G(3df,2p)
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' 3006 2967 17.61      
2 A' 2908 2870 4.90      
3 A' 2508 2475 120.55      
4 A' 1448 1429 2.14      
5 A' 1296 1279 65.33      
6 A' 1223 1207 23.95      
7 A' 1064 1050 56.32      
8 A' 951 939 13.38      
9 A' 548 541 0.47      
10 A" 3055 3016 21.29      
11 A" 2572 2539 166.64      
12 A" 1402 1383 4.28      
13 A" 1041 1027 17.79      
14 A" 673 664 1.21      
15 A" 148 146 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 11921.0 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 11766.1 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 B97D3/6-311+G(3df,2p)
ABC
3.19217 0.71556 0.65322

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.684 0.000
B2 -0.019 0.874 0.000
H3 1.056 -0.952 0.000
H4 -0.437 -1.150 0.898
H5 -0.437 -1.150 -0.898
H6 0.013 1.491 -1.031
H7 0.013 1.491 1.031

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55811.10801.09471.09472.40712.4071
B21.55812.11942.25382.25381.20151.2015
H31.10802.11941.75371.75372.84992.8499
H41.09472.25381.75371.79533.30122.6829
H51.09472.25381.75371.79532.68293.3012
H62.40711.20152.84993.30122.68292.0610
H72.40711.20152.84992.68293.30122.0610

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.945 C1 B2 H7 120.945
B2 C1 H3 105.671 B2 C1 H4 114.234
B2 C1 H5 114.234 H3 C1 H4 105.963
H3 C1 H5 105.963 H4 C1 H5 109.987
H6 B2 H7 118.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.674      
2 B 0.125      
3 H 0.127      
4 H 0.128      
5 H 0.128      
6 H 0.083      
7 H 0.083      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.091 -0.708 0.000 0.714
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.814 -0.190 0.000
y -0.190 -16.628 0.000
z 0.000 0.000 -15.826
Traceless
 xyz
x 2.413 -0.190 0.000
y -0.190 -1.808 0.000
z 0.000 0.000 -0.605
Polar
3z2-r2-1.211
x2-y22.814
xy-0.190
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.835 -0.036 0.000
y -0.036 5.269 0.000
z 0.000 0.000 4.477


<r2> (average value of r2) Å2
<r2> 29.498
(<r2>)1/2 5.431