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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: CCSD/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 CCSD/aug-cc-pVTZ
 hartrees
Energy at 0K-65.790196
Energy at 298.15K-65.794147
HF Energy-65.466856
Nuclear repulsion energy31.783938
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/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' 3094 2958 13.52      
2 A' 2996 2863 3.81      
3 A' 2587 2473 108.30      
4 A' 1502 1435 1.96      
5 A' 1349 1290 58.53      
6 A' 1271 1215 26.87      
7 A' 1099 1051 60.81      
8 A' 974 931 12.04      
9 A' 574 549 0.79      
10 A" 3143 3004 16.85      
11 A" 2657 2539 154.88      
12 A" 1458 1394 3.46      
13 A" 1077 1029 18.32      
14 A" 688 657 1.62      
15 A" 155 148 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 12311.7 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 11767.5 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/aug-cc-pVTZ
ABC
3.21277 0.71453 0.65330

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 -0.686 0.000
B2 -0.017 0.876 0.000
H3 1.051 -0.961 0.000
H4 -0.446 -1.140 0.893
H5 -0.446 -1.140 -0.893
H6 0.013 1.489 -1.026
H7 0.013 1.489 1.026

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56231.10211.09001.09002.40522.4052
B21.56232.12442.24672.24671.19521.1952
H31.10212.12441.75181.75182.85132.8513
H41.09002.24671.75181.78683.28732.6722
H51.09002.24671.75181.78682.67223.2873
H62.40521.19522.85133.28732.67222.0513
H72.40521.19522.85132.67223.28732.0513

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.854 C1 B2 H7 120.854
B2 C1 H3 104.415 B2 C1 H4 114.616
B2 C1 H5 114.616 H3 C1 H4 106.096
H3 C1 H5 106.096 H4 C1 H5 110.097
H6 B2 H7 118.213
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability