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: PBEPBEultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-139.848156
Energy at 298.15K-139.850255
HF Energy-139.848156
Nuclear repulsion energy54.615803
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 PBEPBEultrafine/TZVP
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' 3682 3640 108.73      
2 A' 3098 3063 8.99      
3 A' 1766 1745 341.20      
4 A' 1306 1291 6.87      
5 A' 953 942 141.76      
6 A' 924 914 14.68      
7 A' 610 603 94.13      
8 A' 347 344 15.96      
9 A" 3172 3136 0.87      
10 A" 764 755 49.11      
11 A" 597 590 90.43      
12 A" 319 316 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 8769.1 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 8669.1 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 PBEPBEultrafine/TZVP
ABC
6.87000 0.26738 0.26324

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.040 1.396 0.000
B2 0.040 0.003 0.000
O3 0.040 -1.326 0.000
H4 0.040 1.975 0.925
H5 0.040 1.975 -0.925
H6 -0.843 -1.736 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.39252.72171.09071.09073.2539
B21.39251.32932.17722.17721.9507
O32.72171.32933.42743.42740.9738
H41.09072.17723.42741.84913.9246
H51.09072.17723.42741.84913.9246
H63.25391.95070.97383.92463.9246

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 122.041
B2 C1 H5 122.041 B2 O3 H6 114.905
H4 C1 H5 115.918
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.543      
2 B 0.337      
3 O -0.377      
4 H 0.138      
5 H 0.138      
6 H 0.307      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.630 -1.694 0.000 2.351
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.536 3.269 0.000
y 3.269 -16.956 0.000
z 0.000 0.000 -17.200
Traceless
 xyz
x -2.458 3.269 0.000
y 3.269 1.412 0.000
z 0.000 0.000 1.046
Polar
3z2-r22.092
x2-y2-2.580
xy3.269
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.946 0.172 0.000
y 0.172 6.832 0.000
z 0.000 0.000 3.134


<r2> (average value of r2) Å2
<r2> 50.197
(<r2>)1/2 7.085