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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-65.844852
Energy at 298.15K-65.848747
HF Energy-65.844852
Nuclear repulsion energy31.719074
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 PBEPBEultrafine/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' 3010 2975 12.29      
2 A' 2904 2871 4.32      
3 A' 2512 2483 105.59      
4 A' 1429 1413 3.74      
5 A' 1279 1265 80.93      
6 A' 1203 1190 13.14      
7 A' 1049 1037 57.43      
8 A' 962 951 11.76      
9 A' 520 514 0.87      
10 A" 3062 3027 13.49      
11 A" 2583 2554 142.24      
12 A" 1377 1361 5.55      
13 A" 1028 1016 18.89      
14 A" 666 658 0.49      
15 A" 172 170 2.76      

Unscaled Zero Point Vibrational Energy (zpe) 11877.8 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 11742.4 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 PBEPBEultrafine/TZVP
ABC
3.16922 0.71863 0.65509

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.021 -0.682 0.000
B2 -0.021 0.871 0.000
H3 1.063 -0.935 0.000
H4 -0.431 -1.156 0.903
H5 -0.431 -1.156 -0.903
H6 0.014 1.490 -1.034
H7 0.014 1.490 1.034

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55271.11351.09921.09922.40582.4058
B21.55272.10682.25672.25671.20561.2056
H31.11352.10681.75971.75972.83782.8378
H41.09922.25671.75971.80563.30952.6869
H51.09922.25671.75971.80562.68693.3095
H62.40581.20562.83783.30952.68692.0676
H72.40581.20562.83782.68693.30952.0676

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.911 C1 B2 H7 120.911
B2 C1 H3 103.170 B2 C1 H4 115.569
B2 C1 H5 115.569 H3 C1 H4 105.359
H3 C1 H5 105.359 H4 C1 H5 110.435
H6 B2 H7 118.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.456      
2 B 0.051      
3 H 0.133      
4 H 0.141      
5 H 0.141      
6 H -0.005      
7 H -0.005      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.142 -0.765 0.000 0.778
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.916 -0.199 0.000
y -0.199 -16.596 0.000
z 0.000 0.000 -15.806
Traceless
 xyz
x 2.284 -0.199 0.000
y -0.199 -1.735 0.000
z 0.000 0.000 -0.549
Polar
3z2-r2-1.099
x2-y22.679
xy-0.199
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.281 -0.019 0.000
y -0.019 4.994 0.000
z 0.000 0.000 4.261


<r2> (average value of r2) Å2
<r2> 29.490
(<r2>)1/2 5.431