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

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-139.021245
Energy at 298.15K-139.023413
HF Energy-139.021245
Nuclear repulsion energy53.938421
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 PBEPBE/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' 3357 3327 29.60      
2 A' 3094 3065 5.84      
3 A' 1810 1794 194.65      
4 A' 1368 1356 14.71      
5 A' 971 963 134.51      
6 A' 917 908 80.95      
7 A' 696 690 120.03      
8 A' 333 330 19.41      
9 A" 3163 3135 0.01      
10 A" 811 804 56.62      
11 A" 652 646 96.68      
12 A" 315 313 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 8743.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 8664.2 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 PBEPBE/3-21G
ABC
6.81936 0.26124 0.25731

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.041 1.410 0.000
B2 0.041 0.013 0.000
O3 0.041 -1.339 0.000
H4 0.041 1.995 0.926
H5 0.041 1.995 -0.926
H6 -0.851 -1.802 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.39742.74961.09561.09563.3338
B21.39741.35222.18822.18822.0221
O32.74961.35223.46093.46091.0045
H41.09562.18823.46091.85264.0092
H51.09562.18823.46091.85264.0092
H63.33382.02211.00454.00924.0092

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 122.277
B2 C1 H5 122.277 B2 O3 H6 117.436
H4 C1 H5 115.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.787      
2 B 0.505      
3 O -0.504      
4 H 0.200      
5 H 0.200      
6 H 0.386      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.892 -1.679 0.000 2.530
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.798 3.496 0.000
y 3.496 -15.640 0.000
z 0.000 0.000 -16.728
Traceless
 xyz
x -2.614 3.496 0.000
y 3.496 2.123 0.000
z 0.000 0.000 0.492
Polar
3z2-r20.983
x2-y2-3.158
xy3.496
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.114 0.341 0.000
y 0.341 6.051 0.000
z 0.000 0.000 2.413


<r2> (average value of r2) Å2
<r2> 50.622
(<r2>)1/2 7.115