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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-65.726867
Energy at 298.15K-65.730824
HF Energy-65.449697
Nuclear repulsion energy31.860502
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 MP3=FULL/6-31+G**
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' 3183 2965 16.50      
2 A' 3080 2870 3.18      
3 A' 2672 2490 113.93      
4 A' 1530 1425 3.44      
5 A' 1390 1295 72.01      
6 A' 1309 1220 28.39      
7 A' 1132 1054 74.18      
8 A' 993 925 10.91      
9 A' 585 545 0.78      
10 A" 3234 3012 18.53      
11 A" 2747 2559 171.12      
12 A" 1491 1389 5.01      
13 A" 1106 1030 19.47      
14 A" 707 659 2.00      
15 A" 144 134 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 12650.9 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 11785.6 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 MP3=FULL/6-31+G**
ABC
3.23533 0.71659 0.65595

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 -0.686 0.000
B2 -0.016 0.875 0.000
H3 1.046 -0.964 0.000
H4 -0.451 -1.133 0.891
H5 -0.451 -1.133 -0.891
H6 0.016 1.487 -1.019
H7 0.016 1.487 1.019

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56071.09811.08731.08732.40062.4006
B21.56072.12352.23902.23901.18941.1894
H31.09812.12351.75021.75022.84742.8474
H41.08732.23901.75021.78163.27582.6646
H51.08732.23901.75021.78162.66463.2758
H62.40061.18942.84743.27582.66462.0381
H72.40061.18942.84742.66463.27582.0381

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.998 C1 B2 H7 120.998
B2 C1 H3 104.665 B2 C1 H4 114.266
B2 C1 H5 114.266 H3 C1 H4 106.425
H3 C1 H5 106.425 H4 C1 H5 110.028
H6 B2 H7 117.906
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability