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

using model chemistry: QCISD/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 QCISD/3-21G*
 hartrees
Energy at 0K-138.663427
Energy at 298.15K-138.665668
HF Energy-138.382299
Nuclear repulsion energy53.880026
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 QCISD/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' 3522 3385 56.82      
2 A' 3139 3017 2.21      
3 A' 1821 1750 198.46      
4 A' 1462 1405 5.85      
5 A' 1042 1001 213.11      
6 A' 925 889 44.53      
7 A' 770 740 100.92      
8 A' 315 303 17.60      
9 A" 3211 3086 1.03      
10 A" 884 850 56.13      
11 A" 694 667 113.88      
12 A" 324 312 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 9053.9 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 8701.7 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 QCISD/3-21G*
ABC
6.90831 0.25964 0.25572

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.040 1.416 0.000
B2 0.040 0.014 0.000
O3 0.040 -1.344 0.000
H4 0.040 1.995 0.923
H5 0.040 1.995 -0.923
H6 -0.839 -1.804 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.40252.76051.08981.08983.3377
B21.40251.35802.18602.18602.0188
O32.76051.35803.46473.46470.9918
H41.08982.18603.46471.84664.0070
H51.08982.18603.46471.84664.0070
H63.33772.01880.99184.00704.0070

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 122.091
B2 C1 H5 122.091 B2 O3 H6 117.592
H4 C1 H5 115.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability