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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: M06-2X/STO-3G

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/STO-3G
 hartrees
Energy at 0K-65.141648
Energy at 298.15K-65.145536
HF Energy-65.141648
Nuclear repulsion energy31.890488
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/STO-3G
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' 3501 3501 3.64      
2 A' 3354 3354 10.33      
3 A' 3043 3043 12.47      
4 A' 1697 1697 1.12      
5 A' 1552 1552 39.09      
6 A' 1437 1437 40.83      
7 A' 1203 1203 109.29      
8 A' 1072 1072 14.39      
9 A' 723 723 0.34      
10 A" 3562 3562 0.00      
11 A" 3184 3184 14.31      
12 A" 1675 1675 3.39      
13 A" 1201 1201 23.52      
14 A" 781 781 0.24      
15 A" 100 100 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 14041.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14041.5 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/STO-3G
ABC
3.24820 0.71663 0.65779

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 -0.684 0.000
B2 -0.012 0.879 0.000
H3 1.045 -0.994 0.000
H4 -0.467 -1.122 0.893
H5 -0.467 -1.122 -0.893
H6 0.011 1.475 -1.006
H7 0.011 1.475 1.006

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56251.10171.09361.09362.38192.3819
B21.56252.15002.23762.23761.16981.1698
H31.10172.15001.76061.76062.85922.8592
H41.09362.23761.76061.78573.25262.6431
H51.09362.23761.76061.78572.64313.2526
H62.38191.16982.85923.25262.64312.0121
H72.38191.16982.85922.64313.25262.0121

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.653 C1 B2 H7 120.653
B2 C1 H3 106.316 B2 C1 H4 113.625
B2 C1 H5 113.625 H3 C1 H4 106.639
H3 C1 H5 106.639 H4 C1 H5 109.466
H6 B2 H7 118.643
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.328      
2 B 0.203      
3 H 0.083      
4 H 0.073      
5 H 0.073      
6 H -0.052      
7 H -0.052      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.114 -0.437 0.000 0.452
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.400 -0.160 0.000
y -0.160 -14.756 0.000
z 0.000 0.000 -14.297
Traceless
 xyz
x 2.126 -0.160 0.000
y -0.160 -1.408 0.000
z 0.000 0.000 -0.718
Polar
3z2-r2-1.437
x2-y22.356
xy-0.160
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.361 -0.034 0.000
y -0.034 1.930 0.000
z 0.000 0.000 1.675


<r2> (average value of r2) Å2
<r2> 28.302
(<r2>)1/2 5.320