return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: B2PLYP=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/TZVP
 hartrees
Energy at 0K-65.885035
Energy at 298.15K-65.888992
HF Energy-65.793994
Nuclear repulsion energy31.879841
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 B2PLYP=FULL/TZVP
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' 3099 2957 14.52      
2 A' 2998 2861 4.31      
3 A' 2605 2486 110.46      
4 A' 1497 1428 3.42      
5 A' 1349 1288 73.77      
6 A' 1275 1217 21.93      
7 A' 1104 1053 69.06      
8 A' 979 934 12.57      
9 A' 566 540 0.79      
10 A" 3149 3005 17.44      
11 A" 2676 2553 157.86      
12 A" 1450 1384 5.27      
13 A" 1081 1031 19.15      
14 A" 696 664 1.26      
15 A" 160 153 1.66      

Unscaled Zero Point Vibrational Energy (zpe) 12341.6 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 11776.4 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 B2PLYP=FULL/TZVP
ABC
3.22534 0.72073 0.65869

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.682 0.000
B2 -0.018 0.872 0.000
H3 1.051 -0.951 0.000
H4 -0.442 -1.140 0.893
H5 -0.442 -1.140 -0.893
H6 0.014 1.484 -1.023
H7 0.014 1.484 1.023

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55391.10191.08941.08942.39612.3961
B21.55392.11302.24162.24161.19251.1925
H31.10192.11301.74941.74942.83782.8378
H41.08942.24161.74941.78603.28112.6671
H51.08942.24161.74941.78602.66713.2811
H62.39611.19252.83783.28112.66712.0450
H72.39611.19252.83782.66713.28112.0450

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.922 C1 B2 H7 120.922
B2 C1 H3 104.127 B2 C1 H4 114.862
B2 C1 H5 114.862 H3 C1 H4 105.938
H3 C1 H5 105.938 H4 C1 H5 110.112
H6 B2 H7 118.065
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability