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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: CCD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-65.726939
Energy at 298.15K-65.730864
HF Energy-65.447658
Nuclear repulsion energy31.473358
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 CCD/aug-cc-pVDZ
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' 3097 2987 16.24      
2 A' 2994 2888 3.96      
3 A' 2575 2483 110.83      
4 A' 1472 1420 1.65      
5 A' 1330 1283 59.36      
6 A' 1253 1208 27.35      
7 A' 1088 1050 59.96      
8 A' 965 931 10.84      
9 A' 564 544 0.92      
10 A" 3148 3036 19.63      
11 A" 2644 2550 159.08      
12 A" 1429 1378 2.92      
13 A" 1064 1026 18.70      
14 A" 676 652 2.10      
15 A" 152 146 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 12225.0 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 11791.0 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 CCD/aug-cc-pVDZ
ABC
3.14135 0.70219 0.64168

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 -0.692 0.000
B2 -0.017 0.883 0.000
H3 1.062 -0.970 0.000
H4 -0.451 -1.151 0.903
H5 -0.451 -1.151 -0.903
H6 0.014 1.503 -1.038
H7 0.014 1.503 1.038

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.57491.11431.10231.10232.42792.4279
B21.57492.14442.26802.26801.20911.2091
H31.11432.14441.77101.77102.87932.8793
H41.10232.26801.77101.80653.32102.6981
H51.10232.26801.77101.80652.69813.3210
H62.42791.20912.87933.32102.69812.0754
H72.42791.20912.87932.69813.32102.0754

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.835 C1 B2 H7 120.835
B2 C1 H3 104.460 B2 C1 H4 114.647
B2 C1 H5 114.647 H3 C1 H4 106.063
H3 C1 H5 106.063 H4 C1 H5 110.050
H6 B2 H7 118.244
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability