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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: M06-2X/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/6-31+G**
 hartrees
Energy at 0K-65.903191
Energy at 298.15K-65.907061
HF Energy-65.903191
Nuclear repulsion energy31.789573
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 M06-2X/6-31+G**
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' 3111 2962 12.72      
2 A' 3018 2874 2.64      
3 A' 2642 2515 114.18      
4 A' 1485 1414 4.72      
5 A' 1346 1281 84.92      
6 A' 1261 1200 19.05      
7 A' 1093 1040 69.50      
8 A' 979 933 11.95      
9 A' 565 538 0.66      
10 A" 3161 3010 13.04      
11 A" 2710 2581 171.42      
12 A" 1446 1377 6.08      
13 A" 1062 1011 20.26      
14 A" 678 645 1.47      
15 A" 121 116 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 12337.9 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 11748.2 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 M06-2X/6-31+G**
ABC
3.20572 0.71660 0.65481

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.685 0.000
B2 -0.018 0.875 0.000
H3 1.053 -0.955 0.000
H4 -0.443 -1.142 0.896
H5 -0.443 -1.142 -0.896
H6 0.013 1.487 -1.026
H7 0.013 1.487 1.026

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55911.10451.09261.09262.40182.4018
B21.55912.12022.24772.24771.19501.1950
H31.10452.12021.75411.75412.84582.8458
H41.09262.24771.75411.79253.28872.6718
H51.09262.24771.75411.79252.67183.2887
H62.40181.19502.84583.28872.67182.0512
H72.40181.19502.84582.67183.28872.0512

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.835 C1 B2 H7 120.835
B2 C1 H3 104.192 B2 C1 H4 114.767
B2 C1 H5 114.767 H3 C1 H4 105.951
H3 C1 H5 105.951 H4 C1 H5 110.225
H6 B2 H7 118.243
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.652      
2 B 0.201      
3 H 0.170      
4 H 0.172      
5 H 0.172      
6 H -0.032      
7 H -0.032      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.111 -0.590 0.000 0.600
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.784 -0.155 0.000
y -0.155 -16.594 0.000
z 0.000 0.000 -15.804
Traceless
 xyz
x 2.415 -0.155 0.000
y -0.155 -1.801 0.000
z 0.000 0.000 -0.615
Polar
3z2-r2-1.229
x2-y22.810
xy-0.155
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.017 -0.024 0.000
y -0.024 4.563 0.000
z 0.000 0.000 4.026


<r2> (average value of r2) Å2
<r2> 29.412
(<r2>)1/2 5.423