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/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-139.815687
Energy at 298.15K-139.817848
HF Energy-139.686610
Nuclear repulsion energy54.787292
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/6-31G*
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' 3760 3566 109.45      
2 A' 3209 3043 4.51      
3 A' 1819 1725 309.66      
4 A' 1406 1333 1.63      
5 A' 1028 975 178.21      
6 A' 945 897 9.44      
7 A' 650 616 90.92      
8 A' 346 328 17.50      
9 A" 3283 3114 0.15      
10 A" 810 768 51.02      
11 A" 626 594 91.00      
12 A" 327 310 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 9104.8 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 8635.0 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/6-31G*
ABC
6.88834 0.26888 0.26480

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.040 1.392 0.000
B2 0.040 0.003 0.000
O3 0.040 -1.324 0.000
H4 0.040 1.965 0.920
H5 0.040 1.965 -0.920
H6 -0.848 -1.712 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.38922.71621.08381.08383.2294
B21.38921.32702.16692.16691.9321
O32.71621.32703.41523.41520.9699
H41.08382.16693.41521.84033.8936
H51.08382.16693.41521.84033.8936
H63.22941.93210.96993.89363.8936

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 121.900
B2 C1 H5 121.900 B2 O3 H6 113.615
H4 C1 H5 116.201
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability