return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: wB97X-D/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 wB97X-D/STO-3G
 hartrees
Energy at 0K-65.146465
Energy at 298.15K-65.150256
HF Energy-65.146465
Nuclear repulsion energy31.789657
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 wB97X-D/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' 3469 3469 3.21      
2 A' 3321 3321 7.80      
3 A' 2994 2994 14.03      
4 A' 1699 1699 1.28      
5 A' 1546 1546 38.20      
6 A' 1433 1433 40.65      
7 A' 1192 1192 114.10      
8 A' 1062 1062 14.53      
9 A' 723 723 0.24      
10 A" 3528 3528 0.11      
11 A" 3135 3135 16.27      
12 A" 1671 1671 3.73      
13 A" 1201 1201 24.11      
14 A" 786 786 0.16      
15 A" 43 43 2.26      

Unscaled Zero Point Vibrational Energy (zpe) 13901.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13901.5 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 wB97X-D/STO-3G
ABC
3.22580 0.71264 0.65394

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 -0.686 0.000
B2 -0.012 0.881 0.000
H3 1.047 -0.999 0.000
H4 -0.469 -1.126 0.895
H5 -0.469 -1.126 -0.895
H6 0.011 1.480 -1.011
H7 0.011 1.480 1.011

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56621.10491.09701.09702.39012.3901
B21.56622.15772.24382.24381.17551.1755
H31.10492.15771.76521.76522.87082.8708
H41.09702.24381.76521.79033.26382.6520
H51.09702.24381.76521.79032.65203.2638
H62.39011.17552.87083.26382.65202.0217
H72.39011.17552.87082.65203.26382.0217

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.664 C1 B2 H7 120.664
B2 C1 H3 106.482 B2 C1 H4 113.645
B2 C1 H5 113.645 H3 C1 H4 106.581
H3 C1 H5 106.581 H4 C1 H5 109.374
H6 B2 H7 118.621
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.338      
2 B 0.200      
3 H 0.087      
4 H 0.077      
5 H 0.077      
6 H -0.052      
7 H -0.052      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.114 -0.465 0.000 0.479
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.382 -0.162 0.000
y -0.162 -14.739 0.000
z 0.000 0.000 -14.265
Traceless
 xyz
x 2.120 -0.162 0.000
y -0.162 -1.415 0.000
z 0.000 0.000 -0.705
Polar
3z2-r2-1.409
x2-y22.357
xy-0.162
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.391 -0.034 0.000
y -0.034 1.980 0.000
z 0.000 0.000 1.686


<r2> (average value of r2) Å2
<r2> 28.412
(<r2>)1/2 5.330