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All results from a given calculation for CH3NH2 (methyl amine)

using model chemistry: TPSSh/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 TPSSh/TZVP
 hartrees
Energy at 0K-95.896832
Energy at 298.15K 
HF Energy-95.896832
Nuclear repulsion energy41.932371
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 TPSSh/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' 3480 3354 0.86 117.69 0.11 0.20
2 A' 3061 2949 39.71 106.97 0.25 0.39
3 A' 2958 2851 105.46 160.87 0.17 0.29
4 A' 1675 1615 24.69 7.71 0.73 0.84
5 A' 1507 1452 7.56 19.77 0.64 0.78
6 A' 1467 1414 3.86 5.14 0.60 0.75
7 A' 1171 1129 8.22 3.59 0.49 0.66
8 A' 1051 1012 9.06 9.54 0.30 0.47
9 A' 840 809 174.01 2.80 0.74 0.85
10 A" 3560 3431 0.01 64.05 0.75 0.86
11 A" 3098 2986 37.67 73.27 0.75 0.86
12 A" 1530 1474 2.97 16.90 0.75 0.86
13 A" 1352 1303 0.02 2.48 0.75 0.86
14 A" 972 937 0.00 0.02 0.75 0.86
15 A" 314 303 40.68 0.89 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14018.1 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 13509.2 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 TPSSh/TZVP
ABC
3.44999 0.75760 0.72795

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.707 0.000
N2 0.050 -0.759 0.000
H3 -0.945 1.178 0.000
H4 0.591 1.062 0.880
H5 0.591 1.062 -0.880
H6 -0.442 -1.114 -0.814
H7 -0.442 -1.114 0.814

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46591.10101.09241.09242.05402.0540
N21.46592.17762.09412.09411.01531.0153
H31.10102.17761.77441.77442.48322.4832
H41.09242.09411.77441.75922.94492.4098
H51.09242.09411.77441.75922.40982.9449
H62.05401.01532.48322.94492.40981.6288
H72.05401.01532.48322.40982.94491.6288

picture of methyl amine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H6 110.429 C1 N2 H7 110.429
N2 C1 H3 115.323 N2 C1 H4 108.999
N2 C1 H5 108.999 H3 C1 H4 107.987
H3 C1 H5 107.987 H4 C1 H5 107.256
H6 N2 H7 106.667
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.246      
2 N -0.460      
3 H 0.087      
4 H 0.113      
5 H 0.113      
6 H 0.197      
7 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.378 0.387 0.000 1.431
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.040 0.055 0.000
y 0.055 3.570 0.000
z 0.000 0.000 3.228


<r2> (average value of r2) Å2
<r2> 26.774
(<r2>)1/2 5.174