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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: CCSD=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 CCSD=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-65.826406
Energy at 298.15K-65.830391
HF Energy-65.466828
Nuclear repulsion energy31.917216
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/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' 3103 2951 11.65      
2 A' 3005 2857 5.26      
3 A' 2604 2477 106.98      
4 A' 1509 1435 2.15      
5 A' 1356 1290 62.49      
6 A' 1280 1217 23.22      
7 A' 1100 1046 61.21      
8 A' 984 935 12.14      
9 A' 560 532 0.81      
10 A" 3145 2991 16.01      
11 A" 2671 2540 152.23      
12 A" 1462 1391 3.51      
13 A" 1083 1030 17.97      
14 A" 687 654 1.49      
15 A" 179 171 0.88      

Unscaled Zero Point Vibrational Energy (zpe) 12363.7 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 11757.9 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/aug-cc-pVTZ
ABC
3.23395 0.72162 0.65964

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.683 0.000
B2 -0.018 0.872 0.000
H3 1.050 -0.944 0.000
H4 -0.440 -1.139 0.892
H5 -0.440 -1.139 -0.892
H6 0.015 1.481 -1.021
H7 0.015 1.481 1.021

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55471.10001.08701.08702.39282.3928
B21.55472.10682.24002.24001.18931.1893
H31.10002.10681.74801.74802.82752.8275
H41.08702.24001.74801.78343.27582.6626
H51.08702.24001.74801.78342.66263.2758
H62.39281.18932.82753.27582.66262.0419
H72.39281.18932.82752.66263.27582.0419

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.811 C1 B2 H7 120.811
B2 C1 H3 103.725 B2 C1 H4 114.825
B2 C1 H5 114.825 H3 C1 H4 106.119
H3 C1 H5 106.119 H4 C1 H5 110.232
H6 B2 H7 118.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability