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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: MP2=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 MP2=FULL/6-31+G**
 hartrees
Energy at 0K-65.698544
Energy at 298.15K-65.702507
HF Energy-65.449655
Nuclear repulsion energy31.881185
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 MP2=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' 3189 2995 13.62      
2 A' 3078 2891 2.01      
3 A' 2676 2513 116.29      
4 A' 1526 1433 3.83      
5 A' 1381 1297 83.12      
6 A' 1308 1228 22.59      
7 A' 1131 1062 76.50      
8 A' 994 934 11.42      
9 A' 573 538 0.66      
10 A" 3243 3046 14.46      
11 A" 2753 2586 173.80      
12 A" 1483 1393 5.44      
13 A" 1103 1036 19.85      
14 A" 706 663 1.71      
15 A" 153 144 1.29      

Unscaled Zero Point Vibrational Energy (zpe) 12648.4 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 11879.3 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 MP2=FULL/6-31+G**
ABC
3.23359 0.71854 0.65735

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 -0.685 0.000
B2 -0.017 0.873 0.000
H3 1.048 -0.955 0.000
H4 -0.447 -1.135 0.892
H5 -0.447 -1.135 -0.892
H6 0.017 1.485 -1.020
H7 0.017 1.485 1.020

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55851.09861.08731.08732.39802.3980
B21.55852.11582.23932.23931.18961.1896
H31.09862.11581.74971.74972.83812.8381
H41.08732.23931.74971.78313.27632.6640
H51.08732.23931.74971.78312.66403.2763
H62.39801.18962.83813.27632.66402.0397
H72.39801.18962.83812.66403.27632.0397

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.931 C1 B2 H7 120.931
B2 C1 H3 104.213 B2 C1 H4 114.458
B2 C1 H5 114.458 H3 C1 H4 106.346
H3 C1 H5 106.346 H4 C1 H5 110.170
H6 B2 H7 118.030
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability