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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: M06-2X/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-65.923492
Energy at 298.15K-65.927411
HF Energy-65.923492
Nuclear repulsion energy31.905774
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/cc-pVTZ
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' 3097 2958 9.17      
2 A' 3004 2869 2.96      
3 A' 2640 2522 105.53      
4 A' 1479 1413 2.63      
5 A' 1334 1274 71.52      
6 A' 1261 1205 15.54      
7 A' 1093 1044 63.12      
8 A' 982 938 13.56      
9 A' 562 537 0.75      
10 A" 3147 3006 10.22      
11 A" 2707 2585 148.87      
12 A" 1437 1373 4.06      
13 A" 1066 1018 19.30      
14 A" 682 651 1.07      
15 A" 144 137 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 12317.1 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 11764.0 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 M06-2X/cc-pVTZ
ABC
3.22772 0.72220 0.65981

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.682 0.000
B2 -0.018 0.871 0.000
H3 1.052 -0.945 0.000
H4 -0.438 -1.141 0.894
H5 -0.438 -1.141 -0.894
H6 0.014 1.481 -1.022
H7 0.014 1.481 1.022

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55311.10181.08861.08862.39262.3926
B21.55312.10802.24102.24101.19071.1907
H31.10182.10801.74811.74812.82992.8299
H41.08862.24101.74811.78713.27842.6637
H51.08862.24101.74811.78712.66373.2784
H62.39261.19072.82993.27842.66372.0441
H72.39261.19072.82992.66373.27842.0441

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.819 C1 B2 H7 120.819
B2 C1 H3 103.818 B2 C1 H4 114.925
B2 C1 H5 114.925 H3 C1 H4 105.889
H3 C1 H5 105.889 H4 C1 H5 110.331
H6 B2 H7 118.267
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.401      
2 B 0.007      
3 H 0.107      
4 H 0.117      
5 H 0.117      
6 H 0.027      
7 H 0.027      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.088 -0.598 0.000 0.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.776 -0.179 0.000
y -0.179 -16.457 0.000
z 0.000 0.000 -15.708
Traceless
 xyz
x 2.306 -0.179 0.000
y -0.179 -1.715 0.000
z 0.000 0.000 -0.591
Polar
3z2-r2-1.183
x2-y22.681
xy-0.179
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.423 -0.031 0.000
y -0.031 4.691 0.000
z 0.000 0.000 4.097


<r2> (average value of r2) Å2
<r2> 29.213
(<r2>)1/2 5.405