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: B2PLYP=FULL/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 B2PLYP=FULL/3-21G*
 hartrees
Energy at 0K-139.016549
Energy at 298.15K-139.018806
HF Energy-138.926634
Nuclear repulsion energy54.257606
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 B2PLYP=FULL/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' 3539 3539 73.57      
2 A' 3186 3186 4.86      
3 A' 1850 1850 231.67      
4 A' 1448 1448 9.21      
5 A' 997 997 178.37      
6 A' 941 941 82.36      
7 A' 763 763 118.95      
8 A' 347 347 21.03      
9 A" 3256 3256 0.06      
10 A" 864 864 62.81      
11 A" 664 664 112.84      
12 A" 329 329 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 9091.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9091.5 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 B2PLYP=FULL/3-21G*
ABC
7.01836 0.26364 0.25959

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.039 1.405 0.000
B2 0.039 0.014 0.000
O3 0.039 -1.332 0.000
H4 0.039 1.983 0.918
H5 0.039 1.983 -0.918
H6 -0.828 -1.809 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.39112.73741.08471.08473.3293
B21.39111.34632.17232.17232.0191
O32.73741.34633.43983.43980.9901
H41.08472.17233.43981.83633.9968
H51.08472.17233.43981.83633.9968
H63.32932.01910.99013.99683.9968

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 122.174
B2 C1 H5 122.174 B2 O3 H6 118.791
H4 C1 H5 115.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability