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: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-25.628446
Energy at 298.15K-25.631116
HF Energy-25.628446
Nuclear repulsion energy28.345202
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 HF/CEP-31G
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 3227 2909 2.06      
2 A1 2089 1883 287.55      
3 A1 1526 1375 34.87      
4 A1 854 769 6.08      
5 E 3323 2996 17.59      
5 E 3323 2996 17.59      
6 E 1604 1446 14.35      
6 E 1604 1446 14.35      
7 E 1042 939 34.42      
7 E 1042 939 34.42      
8 E 396 357 28.29      
8 E 396 357 28.29      

Unscaled Zero Point Vibrational Energy (zpe) 10212.9 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 9205.9 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 HF/CEP-31G
ABC
5.36198 0.26112 0.26112

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.305
B2 0.000 0.000 0.243
O3 0.000 0.000 1.458
H4 0.000 1.020 -1.684
H5 0.883 -0.510 -1.684
H6 -0.883 -0.510 -1.684

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.54762.76241.08801.08801.0880
B21.54761.21482.18022.18022.1802
O32.76241.21483.30313.30313.3031
H41.08802.18023.30311.76621.7662
H51.08802.18023.30311.76621.7662
H61.08802.18023.30311.76621.7662

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 110.406
B2 C1 H5 110.406 B2 C1 H6 110.406
H4 C1 H5 108.520 H4 C1 H6 108.520
H5 C1 H6 108.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.218      
2 B 0.014      
3 O -0.284      
4 H 0.163      
5 H 0.163      
6 H 0.163      


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 -4.462 4.462
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.884 0.000 0.000
y 0.000 -16.884 0.000
z 0.000 0.000 -23.326
Traceless
 xyz
x 3.221 0.000 0.000
y 0.000 3.221 0.000
z 0.000 0.000 -6.442
Polar
3z2-r2-12.885
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 2.477 0.000 0.000
y 0.000 2.477 0.000
z 0.000 0.000 3.975


<r2> (average value of r2) Å2
<r2> 43.250
(<r2>)1/2 6.576