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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: PBE1PBE/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 PBE1PBE/TZVP
 hartrees
Energy at 0K-65.865246
Energy at 298.15K-65.869188
HF Energy-65.865246
Nuclear repulsion energy31.859044
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 PBE1PBE/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' 3095 2970 12.11      
2 A' 2992 2871 3.50      
3 A' 2570 2466 108.59      
4 A' 1473 1413 4.39      
5 A' 1325 1272 80.46      
6 A' 1241 1191 16.02      
7 A' 1079 1035 64.58      
8 A' 981 941 11.83      
9 A' 548 526 0.74      
10 A" 3148 3021 12.96      
11 A" 2643 2536 148.68      
12 A" 1425 1368 6.07      
13 A" 1059 1016 19.92      
14 A" 682 655 0.62      
15 A" 169 163 2.28      

Unscaled Zero Point Vibrational Energy (zpe) 12214.4 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 11720.9 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 PBE1PBE/TZVP
ABC
3.20530 0.72286 0.65955

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.681 0.000
B2 -0.019 0.869 0.000
H3 1.054 -0.941 0.000
H4 -0.436 -1.145 0.896
H5 -0.436 -1.145 -0.896
H6 0.015 1.486 -1.028
H7 0.015 1.486 1.028

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.54961.10501.09191.09192.39802.3980
B21.54962.10482.24342.24341.19931.1993
H31.10502.10481.75081.75082.83332.8333
H41.09192.24341.75081.79233.29022.6722
H51.09192.24341.75081.79232.67223.2902
H62.39801.19932.83333.29022.67222.0560
H72.39801.19932.83332.67223.29022.0560

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.942 C1 B2 H7 120.942
B2 C1 H3 103.651 B2 C1 H4 115.173
B2 C1 H5 115.173 H3 C1 H4 105.677
H3 C1 H5 105.677 H4 C1 H5 110.320
H6 B2 H7 118.011
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.454      
2 B 0.082      
3 H 0.131      
4 H 0.138      
5 H 0.138      
6 H -0.017      
7 H -0.017      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.122 -0.688 0.000 0.699
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.728 -0.183 0.000
y -0.183 -16.460 0.000
z 0.000 0.000 -15.656
Traceless
 xyz
x 2.330 -0.183 0.000
y -0.183 -1.768 0.000
z 0.000 0.000 -0.562
Polar
3z2-r2-1.125
x2-y22.732
xy-0.183
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.148 -0.011 0.000
y -0.011 4.687 0.000
z 0.000 0.000 4.113


<r2> (average value of r2) Å2
<r2> 29.238
(<r2>)1/2 5.407