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/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-65.950438
Energy at 298.15K-65.954271
HF Energy-65.950438
Nuclear repulsion energy31.876540
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/aug-cc-pVQZ
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' 3097 3097 13.15      
2 A' 2992 2992 3.51      
3 A' 2553 2553 114.73      
4 A' 1488 1488 2.98      
5 A' 1337 1337 67.88      
6 A' 1256 1256 20.37      
7 A' 1078 1078 62.46      
8 A' 973 973 13.81      
9 A' 570 570 0.44      
10 A" 3147 3147 15.43      
11 A" 2625 2625 157.90      
12 A" 1434 1434 4.74      
13 A" 1070 1070 18.88      
14 A" 698 698 1.06      
15 A" 90 90 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 12204.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12204.3 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/aug-cc-pVQZ
ABC
3.21687 0.72162 0.65893

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.682 0.000
B2 -0.018 0.871 0.000
H3 1.051 -0.947 0.000
H4 -0.440 -1.140 0.894
H5 -0.440 -1.140 -0.894
H6 0.014 1.484 -1.026
H7 0.014 1.484 1.026

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55301.10151.08901.08902.39732.3973
B21.55302.10902.24072.24071.19591.1959
H31.10152.10901.74861.74862.83522.8352
H41.08902.24071.74861.78723.28322.6669
H51.08902.24071.74861.78722.66693.2832
H62.39731.19592.83523.28322.66692.0521
H72.39731.19592.83522.66693.28322.0521

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.861 C1 B2 H7 120.861
B2 C1 H3 103.915 B2 C1 H4 114.883
B2 C1 H5 114.883 H3 C1 H4 105.924
H3 C1 H5 105.924 H4 C1 H5 110.276
H6 B2 H7 118.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.229      
2 B 0.576      
3 H 0.058      
4 H 0.084      
5 H 0.084      
6 H -0.286      
7 H -0.286      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.086 -0.646 0.000 0.652
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.668 -0.181 0.000
y -0.181 -16.423 0.000
z 0.000 0.000 -15.627
Traceless
 xyz
x 2.357 -0.181 0.000
y -0.181 -1.775 0.000
z 0.000 0.000 -0.582
Polar
3z2-r2-1.164
x2-y22.754
xy-0.181
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.797 -0.033 0.000
y -0.033 4.994 0.000
z 0.000 0.000 4.374


<r2> (average value of r2) Å2
<r2> 29.203
(<r2>)1/2 5.404