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All results from a given calculation for CH2BOH (hydroxy(methylene)borane)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-139.204957
Energy at 298.15K-139.207203
HF Energy-139.204957
Nuclear repulsion energy54.324093
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 B3LYP/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 A' 3499 3377 52.80      
2 A' 3160 3049 4.68      
3 A' 1852 1787 237.25      
4 A' 1423 1373 10.69      
5 A' 982 948 137.27      
6 A' 940 907 116.14      
7 A' 750 724 119.00      
8 A' 349 337 20.66      
9 A" 3225 3112 0.08      
10 A" 845 816 63.18      
11 A" 653 630 108.02      
12 A" 328 317 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 9003.6 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 8687.6 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 B3LYP/3-21G
ABC
7.01401 0.26463 0.26055

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.039 1.402 0.000
B2 0.039 0.014 0.000
O3 0.039 -1.329 0.000
H4 0.039 1.983 0.918
H5 0.039 1.983 -0.918
H6 -0.829 -1.810 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.38792.73101.08681.08683.3273
B21.38791.34302.17262.17262.0201
O32.73101.34303.43703.43700.9925
H41.08682.17263.43701.83683.9981
H51.08682.17263.43701.83683.9981
H63.32732.02010.99253.99813.9981

picture of hydroxy(methylene)borane 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 122.320
B2 C1 H5 122.320 B2 O3 H6 118.993
H4 C1 H5 115.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.763      
2 B 0.540      
3 O -0.541      
4 H 0.187      
5 H 0.187      
6 H 0.390      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.907 -1.710 0.000 2.562
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.742 3.520 0.000
y 3.520 -15.961 0.000
z 0.000 0.000 -16.671
Traceless
 xyz
x -2.426 3.520 0.000
y 3.520 1.746 0.000
z 0.000 0.000 0.680
Polar
3z2-r21.360
x2-y2-2.781
xy3.520
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.049 0.328 0.000
y 0.328 5.841 0.000
z 0.000 0.000 2.329


<r2> (average value of r2) Å2
<r2> 50.167
(<r2>)1/2 7.083