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 CH2BH (methyleneborane)

using model chemistry: CCSD=FULL/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD=FULL/cc-pVQZ
 hartrees
Energy at 0K-64.602771
Energy at 298.15K-64.603963
HF Energy-64.251207
Nuclear repulsion energy24.006131
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 CCSD=FULL/cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3179 3179 9.82      
2 A1 2855 2855 17.17      
3 A1 1521 1521 47.17      
4 A1 1295 1295 4.95      
5 B1 753 753 77.30      
6 B1 636 636 0.29      
7 B2 3251 3251 1.22      
8 B2 917 917 39.86      
9 B2 400 400 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 7402.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7402.9 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 CCSD=FULL/cc-pVQZ
ABC
10.03729 0.96294 0.87864

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.590
B2 0.000 0.000 -0.785
H3 0.000 0.913 1.167
H4 0.000 -0.913 1.167
H5 0.000 0.000 -1.953

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5
C11.37541.07991.07992.5439
B21.37542.15522.15521.1686
H31.07992.15521.82563.2517
H41.07992.15521.82563.2517
H52.54391.16863.25173.2517

picture of methyleneborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H5 180.000 B2 C1 H3 122.296
B2 C1 H4 122.296 H4 C1 H3 115.408
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability