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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/STO-3G
 hartrees
Energy at 0K-65.071360
Energy at 298.15K-65.075258
HF Energy-65.071360
Nuclear repulsion energy31.857233
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 HSEh1PBE/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' 3472 3066 3.89      
2 A' 3322 2934 10.31      
3 A' 2993 2643 13.92      
4 A' 1692 1494 1.47      
5 A' 1538 1358 42.89      
6 A' 1429 1262 36.29      
7 A' 1194 1055 107.32      
8 A' 1072 947 14.60      
9 A' 713 630 0.37      
10 A" 3535 3122 0.06      
11 A" 3134 2767 16.13      
12 A" 1665 1471 4.12      
13 A" 1199 1058 23.86      
14 A" 780 689 0.04      
15 A" 110 97 2.65      

Unscaled Zero Point Vibrational Energy (zpe) 13924.3 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 12296.5 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 HSEh1PBE/STO-3G
ABC
3.23281 0.71717 0.65775

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 -0.683 0.000
B2 -0.013 0.877 0.000
H3 1.048 -0.993 0.000
H4 -0.465 -1.125 0.895
H5 -0.465 -1.125 -0.895
H6 0.011 1.478 -1.010
H7 0.011 1.478 1.010

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55981.10471.09611.09612.38492.3849
B21.55982.14962.23932.23931.17501.1750
H31.10472.14961.76271.76272.86322.8632
H41.09612.23931.76271.79013.26022.6485
H51.09612.23931.76271.79012.64853.2602
H62.38491.17502.86323.26022.64852.0191
H72.38491.17502.86322.64853.26022.0191

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.745 C1 B2 H7 120.745
B2 C1 H3 106.302 B2 C1 H4 113.800
B2 C1 H5 113.800 H3 C1 H4 106.436
H3 C1 H5 106.436 H4 C1 H5 109.478
H6 B2 H7 118.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.343      
2 B 0.178      
3 H 0.093      
4 H 0.082      
5 H 0.082      
6 H -0.046      
7 H -0.046      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.126 -0.542 0.000 0.557
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.365 -0.170 0.000
y -0.170 -14.656 0.000
z 0.000 0.000 -14.194
Traceless
 xyz
x 2.060 -0.170 0.000
y -0.170 -1.377 0.000
z 0.000 0.000 -0.683
Polar
3z2-r2-1.366
x2-y22.291
xy-0.170
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.382 -0.038 0.000
y -0.038 2.002 0.000
z 0.000 0.000 1.681


<r2> (average value of r2) Å2
<r2> 28.282
(<r2>)1/2 5.318