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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: CCSD(T)=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 CCSD(T)=FULL/TZVP
 hartrees
Energy at 0K-65.789128
Energy at 298.15K-65.793078
HF Energy-65.464522
Nuclear repulsion energy31.797028
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(T)=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' 3093 2957        
2 A' 2991 2859        
3 A' 2608 2494        
4 A' 1494 1428        
5 A' 1351 1291        
6 A' 1286 1229        
7 A' 1108 1060        
8 A' 977 934        
9 A' 556 532        
10 A" 3142 3004        
11 A" 2681 2563        
12 A" 1449 1385        
13 A" 1085 1037        
14 A" 693 662        
15 A" 160 152        

Unscaled Zero Point Vibrational Energy (zpe) 12336.0 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 11793.2 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(T)=FULL/TZVP
ABC
3.20727 0.71630 0.65515

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 -0.686 0.000
B2 -0.017 0.874 0.000
H3 1.054 -0.950 0.000
H4 -0.447 -1.140 0.895
H5 -0.447 -1.140 -0.895
H6 0.016 1.488 -1.024
H7 0.016 1.488 1.024

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56011.10381.09181.09182.40312.4031
B21.56012.11542.24562.24561.19391.1939
H31.10382.11541.75861.75862.84032.8403
H41.09182.24561.75861.79003.28662.6716
H51.09182.24561.75861.79002.67163.2866
H62.40311.19392.84033.28662.67162.0471
H72.40311.19392.84032.67163.28662.0471

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.936 C1 B2 H7 120.936
B2 C1 H3 103.816 B2 C1 H4 114.573
B2 C1 H5 114.573 H3 C1 H4 106.444
H3 C1 H5 106.444 H4 C1 H5 110.122
H6 B2 H7 118.025
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability