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: MP2=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-139.762013
Energy at 298.15K-139.764169
HF Energy-139.208716
Nuclear repulsion energy55.045200
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 MP2=FULL/aug-cc-pVTZ
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' 3865 3677 184.68      
2 A' 3208 3052 12.38      
3 A' 1802 1714 401.07      
4 A' 1364 1298 2.57      
5 A' 976 929 160.79      
6 A' 947 901 16.44      
7 A' 630 599 74.89      
8 A' 371 353 17.08      
9 A" 3276 3117 1.18      
10 A" 776 738 31.75      
11 A" 598 569 83.14      
12 A" 317 302 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 9064.4 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 8623.8 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 MP2=FULL/aug-cc-pVTZ
ABC
6.99635 0.27108 0.26681

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.040 1.389 0.000
B2 0.040 0.003 0.000
O3 0.040 -1.316 0.000
H4 0.040 1.952 0.919
H5 0.040 1.952 -0.919
H6 -0.830 -1.726 0.000

Atom - Atom Distances (Å)
  C1 B2 O3 H4 H5 H6
C11.38672.70561.07731.07733.2342
B21.38671.31892.15482.15481.9347
O32.70561.31893.39473.39470.9608
H41.07732.15483.39471.83783.8889
H51.07732.15483.39471.83783.8889
H63.23421.93470.96083.88893.8889

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 121.465
B2 C1 H5 121.465 B2 O3 H6 115.233
H4 C1 H5 117.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability