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

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-138.384255
Energy at 298.15K-138.386659
HF Energy-138.384255
Nuclear repulsion energy54.744355
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 HF/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' 3900 3520 176.98      
2 A' 3315 2992 3.37      
3 A' 1932 1743 364.23      
4 A' 1537 1387 5.08      
5 A' 1021 921 189.72      
6 A' 988 891 169.40      
7 A' 884 798 152.33      
8 A' 396 358 26.07      
9 A" 3382 3052 0.34      
10 A" 929 839 93.38      
11 A" 643 581 153.69      
12 A" 361 326 3.27      

Unscaled Zero Point Vibrational Energy (zpe) 9643.0 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 8703.8 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 HF/3-21G*
ABC
7.34201 0.26753 0.26316

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.396 0.000
B2 0.037 0.016 0.000
O3 0.037 -1.320 0.000
H4 0.037 1.968 0.911
H5 0.037 1.968 -0.911
H6 -0.782 -1.831 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.38042.71631.07531.07533.3296
B21.38041.33592.15422.15422.0204
O32.71631.33593.41203.41200.9655
H41.07532.15423.41201.82113.9918
H51.07532.15423.41201.82113.9918
H63.32962.02040.96553.99183.9918

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 122.136
B2 C1 H5 122.136 B2 O3 H6 121.958
H4 C1 H5 115.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.897      
2 B 0.747      
3 O -0.708      
4 H 0.212      
5 H 0.212      
6 H 0.434      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.984 -1.808 0.000 2.684
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.037 3.700 0.000
y 3.700 -17.049 0.000
z 0.000 0.000 -16.633
Traceless
 xyz
x -2.196 3.700 0.000
y 3.700 0.786 0.000
z 0.000 0.000 1.410
Polar
3z2-r22.819
x2-y2-1.988
xy3.700
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.966 0.288 0.000
y 0.288 5.423 0.000
z 0.000 0.000 2.183


<r2> (average value of r2) Å2
<r2> 50.012
(<r2>)1/2 7.072