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: HF/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-139.209493
Energy at 298.15K-139.211837
HF Energy-139.209493
Nuclear repulsion energy55.407088
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/daug-cc-pVTZ
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' 4135 3741 224.44      
2 A' 3288 2975 4.87      
3 A' 1864 1686 520.38      
4 A' 1483 1342 0.53      
5 A' 1061 960 208.29      
6 A' 990 895 5.44      
7 A' 762 689 100.21      
8 A' 418 378 15.85      
9 A" 3363 3042 0.16      
10 A" 857 775 43.96      
11 A" 586 530 102.06      
12 A" 360 326 2.83      

Unscaled Zero Point Vibrational Energy (zpe) 9583.6 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 8669.3 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/daug-cc-pVTZ
ABC
7.24027 0.27398 0.26943

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.379 0.107 0.000
B2 0.000 0.026 0.000
O3 1.307 -0.022 0.000
H4 -1.942 0.143 0.914
H5 -1.942 0.143 -0.914
H6 1.706 -0.877 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.38182.68931.07361.07363.2380
B21.38181.30772.14942.14941.9295
O32.68931.30773.37893.37890.9427
H41.07362.14943.37891.82753.8960
H51.07362.14943.37891.82753.8960
H63.23801.92950.94273.89603.8960

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 178.716 B2 C1 H4 121.671
B2 C1 H5 121.671 B2 O3 H6 117.125
H4 C1 H5 116.656
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.581      
2 B -0.482      
3 O -0.448      
4 H 1.005      
5 H 1.005      
6 H 0.502      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.909 -1.590 0.000 2.484
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.784 -3.342 0.000
y -3.342 -19.425 0.000
z 0.000 0.000 -17.141
Traceless
 xyz
x 0.499 -3.342 0.000
y -3.342 -1.962 0.000
z 0.000 0.000 1.463
Polar
3z2-r22.927
x2-y21.641
xy-3.342
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.262 -0.249 0.000
y -0.249 4.801 0.000
z 0.000 0.000 3.813


<r2> (average value of r2) Å2
<r2> 49.400
(<r2>)1/2 7.028