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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: LSDA/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-311G**
 hartrees
Energy at 0K-65.550380
Energy at 298.15K-65.554292
HF Energy-65.550380
Nuclear repulsion energy31.941699
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 LSDA/6-311G**
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' 3020 2983 6.84      
2 A' 2897 2861 7.05      
3 A' 2506 2475 94.13      
4 A' 1403 1386 6.97      
5 A' 1262 1246 99.46      
6 A' 1178 1163 3.28      
7 A' 1034 1021 49.29      
8 A' 982 970 11.93      
9 A' 478 473 2.41      
10 A" 3080 3042 5.42      
11 A" 2583 2551 121.69      
12 A" 1340 1323 7.29      
13 A" 1016 1004 19.50      
14 A" 656 648 0.20      
15 A" 213 210 4.14      

Unscaled Zero Point Vibrational Energy (zpe) 11823.3 cm-1
Scaled (by 0.9877) Zero Point Vibrational Energy (zpe) 11677.8 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 LSDA/6-311G**
ABC
3.16693 0.73745 0.66987

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.026 -0.672 0.000
B2 -0.026 0.857 0.000
H3 1.071 -0.884 0.000
H4 -0.411 -1.160 0.907
H5 -0.411 -1.160 -0.907
H6 0.016 1.475 -1.034
H7 0.016 1.475 1.034

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.52931.11661.09951.09952.38382.3838
B21.52932.05752.24492.24491.20571.2057
H31.11662.05751.75911.75912.78322.7832
H41.09952.24491.75911.81383.30072.6725
H51.09952.24491.75911.81382.67253.3007
H62.38381.20572.78323.30072.67252.0689
H72.38381.20572.78322.67253.30072.0689

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.831 C1 B2 H7 120.831
B2 C1 H3 100.933 B2 C1 H4 116.333
B2 C1 H5 116.333 H3 C1 H4 105.076
H3 C1 H5 105.076 H4 C1 H5 111.139
H6 B2 H7 118.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.550      
2 B 0.023      
3 H 0.164      
4 H 0.162      
5 H 0.162      
6 H 0.019      
7 H 0.019      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.200 -0.867 0.000 0.890
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.023 -0.234 0.000
y -0.234 -16.469 0.000
z 0.000 0.000 -15.685
Traceless
 xyz
x 2.054 -0.234 0.000
y -0.234 -1.616 0.000
z 0.000 0.000 -0.439
Polar
3z2-r2-0.877
x2-y22.447
xy-0.234
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.191 -0.034 0.000
y -0.034 4.959 0.000
z 0.000 0.000 4.270


<r2> (average value of r2) Å2
<r2> 29.099
(<r2>)1/2 5.394