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

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-139.943598
Energy at 298.15K-139.945790
HF Energy-139.943598
Nuclear repulsion energy55.115627
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 mPW1PW91/6-31G(2df,p)
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' 3877 3701 127.75      
2 A' 3198 3053 8.35      
3 A' 1841 1757 327.61      
4 A' 1357 1295 4.54      
5 A' 1009 963 156.10      
6 A' 961 918 15.26      
7 A' 644 615 82.37      
8 A' 376 358 16.06      
9 A" 3278 3129 0.32      
10 A" 787 752 43.41      
11 A" 614 586 78.41      
12 A" 329 314 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 9134.4 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 8720.6 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 mPW1PW91/6-31G(2df,p)
ABC
6.98550 0.27213 0.26786

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.040 1.384 0.000
B2 0.040 0.002 0.000
O3 0.040 -1.314 0.000
H4 0.040 1.957 0.919
H5 0.040 1.957 -0.919
H6 -0.832 -1.716 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.38262.69851.08271.08273.2207
B21.38261.31592.16072.16071.9265
O32.69851.31593.39813.39810.9601
H41.08272.16073.39811.83713.8858
H51.08272.16073.39811.83713.8858
H63.22071.92650.96013.88583.8858

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 121.962
B2 C1 H5 121.962 B2 O3 H6 114.748
H4 C1 H5 116.076
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.579      
2 B 0.170      
3 O -0.234      
4 H 0.150      
5 H 0.150      
6 H 0.344      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.519 -1.730 0.000 2.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.305 2.976 0.000
y 2.976 -16.129 0.000
z 0.000 0.000 -16.480
Traceless
 xyz
x -2.000 2.976 0.000
y 2.976 1.263 0.000
z 0.000 0.000 0.737
Polar
3z2-r21.474
x2-y2-2.176
xy2.976
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.864 0.203 0.000
y 0.203 5.914 0.000
z 0.000 0.000 2.979


<r2> (average value of r2) Å2
<r2> 48.936
(<r2>)1/2 6.995