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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: BLYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/TZVP
 hartrees
Energy at 0K-65.913471
Energy at 298.15K-65.917376
HF Energy-65.913471
Nuclear repulsion energy31.691563
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 BLYP/TZVP
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' 2985 2977 15.41      
2 A' 2885 2878 6.35      
3 A' 2521 2515 110.00      
4 A' 1447 1443 2.75      
5 A' 1300 1296 69.87      
6 A' 1225 1222 22.12      
7 A' 1067 1065 62.07      
8 A' 951 948 13.34      
9 A' 550 549 0.53      
10 A" 3030 3023 20.40      
11 A" 2586 2580 154.80      
12 A" 1398 1395 4.78      
13 A" 1042 1039 18.68      
14 A" 677 675 0.94      
15 A" 157 156 2.18      

Unscaled Zero Point Vibrational Energy (zpe) 11909.9 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 11880.1 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 BLYP/TZVP
ABC
3.18438 0.71401 0.65206

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.683 0.000
B2 -0.019 0.875 0.000
H3 1.059 -0.956 0.000
H4 -0.439 -1.153 0.900
H5 -0.439 -1.153 -0.900
H6 0.013 1.493 -1.029
H7 0.013 1.493 1.029

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55891.11201.09841.09842.40742.4074
B21.55892.12552.25822.25821.20061.2006
H31.11202.12551.75851.75852.85492.8549
H41.09842.25821.75851.80003.30522.6867
H51.09842.25821.75851.80002.68673.3052
H62.40741.20062.85493.30522.68672.0587
H72.40741.20062.85492.68673.30522.0587

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.931 C1 B2 H7 120.931
B2 C1 H3 104.210 B2 C1 H4 115.289
B2 C1 H5 115.289 H3 C1 H4 105.409
H3 C1 H5 105.409 H4 C1 H5 110.046
H6 B2 H7 118.043
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.443      
2 B 0.126      
3 H 0.121      
4 H 0.129      
5 H 0.129      
6 H -0.031      
7 H -0.031      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.117 -0.702 0.000 0.712
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.979 -0.198 0.000
y -0.198 -16.823 0.000
z 0.000 0.000 -16.026
Traceless
 xyz
x 2.445 -0.198 0.000
y -0.198 -1.821 0.000
z 0.000 0.000 -0.625
Polar
3z2-r2-1.250
x2-y22.844
xy-0.198
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.293 -0.022 0.000
y -0.022 4.971 0.000
z 0.000 0.000 4.261


<r2> (average value of r2) Å2
<r2> 29.661
(<r2>)1/2 5.446