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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-65.740798
Energy at 298.15K-65.744720
HF Energy-65.447571
Nuclear repulsion energy31.471923
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/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' 3075 2987        
2 A' 2968 2882        
3 A' 2564 2490        
4 A' 1461 1419        
5 A' 1317 1279        
6 A' 1243 1207        
7 A' 1079 1048        
8 A' 963 935        
9 A' 549 533        
10 A" 3128 3038        
11 A" 2633 2557        
12 A" 1415 1374        
13 A" 1056 1025        
14 A" 669 650        
15 A" 161 156        

Unscaled Zero Point Vibrational Energy (zpe) 12139.4 cm-1
Scaled (by 0.9712) Zero Point Vibrational Energy (zpe) 11789.7 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/aug-cc-pVDZ
ABC
3.13625 0.70313 0.64223

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.691 0.000
B2 -0.018 0.883 0.000
H3 1.065 -0.961 0.000
H4 -0.447 -1.155 0.905
H5 -0.447 -1.155 -0.905
H6 0.014 1.502 -1.038
H7 0.014 1.502 1.038

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.57361.11611.10331.10332.42682.4268
B21.57362.13842.26982.26981.20971.2097
H31.11612.13841.77211.77212.87252.8725
H41.10332.26981.77211.80993.32372.6997
H51.10332.26981.77211.80992.69973.3237
H62.42681.20972.87253.32372.69972.0768
H72.42681.20972.87252.69973.32372.0768

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.812 C1 B2 H7 120.812
B2 C1 H3 104.018 B2 C1 H4 114.840
B2 C1 H5 114.840 H3 C1 H4 105.962
H3 C1 H5 105.962 H4 C1 H5 110.210
H6 B2 H7 118.282
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability