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: LSDA/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at LSDA/3-21G
 hartrees
Energy at 0K-138.516259
Energy at 298.15K-138.518810
HF Energy-138.516259
Nuclear repulsion energy53.812802
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 LSDA/3-21G
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 2988 2939 1.88      
2 A1 1994 1961 97.33      
3 A1 1350 1328 66.93      
4 A1 840 827 0.00      
5 E 3071 3021 0.36      
5 E 3071 3021 0.36      
6 E 1456 1432 15.84      
6 E 1456 1432 15.84      
7 E 919 904 39.08      
7 E 919 904 39.08      
8 E 367 361 1.47      
8 E 367 361 1.47      

Unscaled Zero Point Vibrational Energy (zpe) 9399.7 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 9245.6 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 LSDA/3-21G
ABC
5.22160 0.26232 0.26232

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.292
B2 0.000 0.000 0.224
O3 0.000 0.000 1.461
H4 0.000 1.033 -1.685
H5 0.895 -0.517 -1.685
H6 -0.895 -0.517 -1.685

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.51662.75281.10541.10541.1054
B21.51661.23622.17102.17102.1710
O32.75281.23623.31093.31093.3109
H41.10542.17103.31091.78981.7898
H51.10542.17103.31091.78981.7898
H61.10542.17103.31091.78981.7898

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 110.808
B2 C1 H5 110.808 B2 C1 H6 110.808
H4 C1 H5 108.101 H4 C1 H6 108.101
H5 C1 H6 108.102
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.940      
2 B 0.432      
3 O -0.281      
4 H 0.263      
5 H 0.263      
6 H 0.263      


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 -3.221 3.221
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.937 0.000 0.000
y 0.000 -16.937 0.000
z 0.000 0.000 -20.208
Traceless
 xyz
x 1.635 0.000 0.000
y 0.000 1.635 0.000
z 0.000 0.000 -3.271
Polar
3z2-r2-6.541
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 2.527 0.000 0.000
y 0.000 2.527 0.000
z 0.000 0.000 4.244


<r2> (average value of r2) Å2
<r2> 50.318
(<r2>)1/2 7.094