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 CH3BO (Borane, methyloxo-)

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-140.012546
Energy at 298.15K-140.015046
HF Energy-140.012546
Nuclear repulsion energy53.936102
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/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2977 2960 0.04      
2 A1 1967 1957 135.46      
3 A1 1304 1297 11.38      
4 A1 805 801 0.10      
5 E 3045 3028 1.66      
5 E 3045 3028 1.66      
6 E 1423 1415 4.60      
6 E 1423 1415 4.60      
7 E 893 888 19.62      
7 E 893 888 19.62      
8 E 357 355 6.99      
8 E 357 355 6.99      

Unscaled Zero Point Vibrational Energy (zpe) 9244.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 9193.5 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 BLYP/6-31G(2df,p)
ABC
5.26611 0.26174 0.26174

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.298
B2 0.000 0.000 0.240
O3 0.000 0.000 1.457
H4 0.000 1.029 -1.690
H5 0.891 -0.514 -1.690
H6 -0.891 -0.514 -1.690

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.53872.75561.10091.10091.1009
B21.53871.21692.18732.18732.1873
O32.75561.21693.31113.31113.3111
H41.10092.18733.31111.78221.7822
H51.10092.18733.31111.78221.7822
H61.10092.18733.31111.78221.7822

picture of Borane, methyloxo- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 O3 180.000 B2 C1 H4 110.833
B2 C1 H5 110.833 B2 C1 H6 110.833
H4 C1 H5 108.076 H4 C1 H6 108.076
H5 C1 H6 108.076
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.524      
2 B 0.056      
3 O 0.026      
4 H 0.147      
5 H 0.147      
6 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.235 3.235
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.804 0.000 0.000
y 0.000 -16.804 0.000
z 0.000 0.000 -20.321
Traceless
 xyz
x 1.758 0.000 0.000
y 0.000 1.758 0.000
z 0.000 0.000 -3.517
Polar
3z2-r2-7.033
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.079 0.000 0.000
y 0.000 3.079 0.000
z 0.000 0.000 4.763


<r2> (average value of r2) Å2
<r2> 50.363
(<r2>)1/2 7.097