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

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-139.136780
Energy at 298.15K-139.139026
HF Energy-139.136780
Nuclear repulsion energy54.476528
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 B1B95/3-21G*
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' 3583 3422 78.45      
2 A' 3189 3045 7.20      
3 A' 1871 1787 257.99      
4 A' 1415 1351 12.33      
5 A' 979 934 88.16      
6 A' 944 902 180.48      
7 A' 756 722 133.65      
8 A' 356 340 22.42      
9 A" 3262 3115 0.04      
10 A" 840 802 72.26      
11 A" 655 626 113.30      
12 A" 326 311 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 9088.4 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 8678.5 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 B1B95/3-21G*
ABC
7.06474 0.26604 0.26187

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.039 1.399 0.000
B2 0.039 0.014 0.000
O3 0.039 -1.325 0.000
H4 0.039 1.976 0.918
H5 0.039 1.976 -0.918
H6 -0.820 -1.811 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.38462.72381.08451.08453.3221
B21.38461.33922.16652.16652.0166
O32.72381.33923.42693.42690.9867
H41.08452.16653.42691.83553.9902
H51.08452.16653.42691.83553.9902
H63.32212.01660.98673.99023.9902

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 122.200
B2 C1 H5 122.200 B2 O3 H6 119.461
H4 C1 H5 115.601
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.825      
2 B 0.572      
3 O -0.567      
4 H 0.208      
5 H 0.208      
6 H 0.404      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.933 -1.739 0.000 2.600
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.722 3.580 0.000
y 3.580 -15.816 0.000
z 0.000 0.000 -16.561
Traceless
 xyz
x -2.534 3.580 0.000
y 3.580 1.826 0.000
z 0.000 0.000 0.708
Polar
3z2-r21.415
x2-y2-2.906
xy3.580
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.029 0.311 0.000
y 0.311 5.744 0.000
z 0.000 0.000 2.315


<r2> (average value of r2) Å2
<r2> 49.906
(<r2>)1/2 7.064