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

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-138.637716
Energy at 298.15K-138.640023
HF Energy-138.383376
Nuclear repulsion energy54.187107
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 CISD/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' 3643 3404 85.75      
2 A' 3202 2992 3.40      
3 A' 1864 1741 248.10      
4 A' 1485 1388 5.75      
5 A' 1038 970 228.98      
6 A' 952 890 56.28      
7 A' 804 751 114.88      
8 A' 347 324 20.08      
9 A" 3273 3058 0.54      
10 A" 897 838 65.98      
11 A" 682 638 122.91      
12 A" 335 313 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 9261.2 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 8653.6 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 CISD/3-21G*
ABC
7.03387 0.26256 0.25850

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.039 1.408 0.000
B2 0.039 0.014 0.000
O3 0.039 -1.336 0.000
H4 0.039 1.985 0.919
H5 0.039 1.985 -0.919
H6 -0.823 -1.809 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.39402.74401.08511.08513.3313
B21.39401.35002.17472.17472.0173
O32.74401.35003.44573.44570.9839
H41.08512.17473.44571.83803.9985
H51.08512.17473.44571.83803.9985
H63.33132.01730.98393.99853.9985

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 122.119
B2 C1 H5 122.119 B2 O3 H6 118.783
H4 C1 H5 115.761
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability