return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-26.202398
Energy at 298.15K-26.204470
HF Energy-26.202398
Nuclear repulsion energy28.657897
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/CEP-31G*
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' 3776 3646 110.43      
2 A' 3159 3050 2.41      
3 A' 1777 1716 385.00      
4 A' 1362 1316 2.68      
5 A' 994 960 178.22      
6 A' 927 895 7.06      
7 A' 608 587 110.01      
8 A' 325 314 16.07      
9 A" 3241 3130 2.38      
10 A" 797 770 54.84      
11 A" 593 573 100.09      
12 A" 322 311 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 8940.4 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 8633.7 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/CEP-31G*
ABC
6.73768 0.26247 0.25840

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.041 1.413 0.000
B2 0.041 -0.002 0.000
O3 0.041 -1.338 0.000
H4 0.041 1.985 0.934
H5 0.041 1.985 -0.934
H6 -0.851 -1.735 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.41562.75091.09471.09473.2716
B21.41561.33542.19542.19541.9481
O32.75091.33543.45113.45110.9755
H41.09472.19543.45111.86743.9369
H51.09472.19543.45111.86743.9369
H63.27161.94810.97553.93693.9369

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 121.467
B2 C1 H5 121.467 B2 O3 H6 114.010
H4 C1 H5 117.065
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.143      
2 B -0.371      
3 O -0.312      
4 H 0.202      
5 H 0.202      
6 H 0.422      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.704 -1.617 0.000 2.349
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.303 3.382 0.000
y 3.382 -16.248 0.000
z 0.000 0.000 -16.763
Traceless
 xyz
x -2.798 3.382 0.000
y 3.382 1.786 0.000
z 0.000 0.000 1.012
Polar
3z2-r22.024
x2-y2-3.056
xy3.382
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.529 0.207 0.000
y 0.207 6.103 0.000
z 0.000 0.000 2.693


<r2> (average value of r2) Å2
<r2> 42.996
(<r2>)1/2 6.557