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

using model chemistry: TPSSh/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 TPSSh/6-31+G**
 hartrees
Energy at 0K-95.871043
Energy at 298.15K 
HF Energy-95.871043
Nuclear repulsion energy41.876413
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/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' 3494 3363 1.20 107.80 0.11 0.19
2 A' 3080 2965 39.43 104.14 0.34 0.51
3 A' 2976 2864 112.10 160.35 0.17 0.30
4 A' 1681 1618 31.23 5.33 0.74 0.85
5 A' 1518 1461 7.99 13.90 0.71 0.83
6 A' 1470 1415 4.30 4.76 0.73 0.84
7 A' 1173 1129 8.19 0.88 0.75 0.86
8 A' 1059 1019 11.89 9.53 0.22 0.36
9 A' 838 806 183.24 2.81 0.67 0.80
10 A" 3583 3449 0.40 57.87 0.75 0.86
11 A" 3123 3005 36.07 73.10 0.75 0.86
12 A" 1537 1479 3.57 14.08 0.75 0.86
13 A" 1350 1299 0.00 2.33 0.75 0.86
14 A" 970 933 0.01 0.06 0.75 0.86
15 A" 317 306 42.70 0.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14083.9 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 13555.8 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/6-31+G**
ABC
3.43909 0.75617 0.72606

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.708 0.000
N2 0.049 -0.759 0.000
H3 -0.947 1.179 0.000
H4 0.592 1.062 0.882
H5 0.592 1.062 -0.882
H6 -0.439 -1.119 -0.817
H7 -0.439 -1.119 0.817

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46731.10231.09401.09402.05982.0598
N21.46732.17922.09452.09451.01731.0173
H31.10232.17921.77771.77772.49082.4908
H41.09402.09451.77771.76382.94982.4123
H51.09402.09451.77771.76382.41232.9498
H62.05981.01732.49082.94982.41231.6340
H72.05981.01732.49082.41232.94981.6340

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 110.692 C1 N2 H7 110.692
N2 C1 H3 115.271 N2 C1 H4 108.850
N2 C1 H5 108.850 H3 C1 H4 108.078
H3 C1 H5 108.078 H4 C1 H5 107.446
H6 N2 H7 106.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.392      
2 N -0.612      
3 H 0.127      
4 H 0.152      
5 H 0.152      
6 H 0.287      
7 H 0.287      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.421 0.440 0.000 1.487
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 3.220 -0.081 0.000
y -0.081 3.631 0.000
z 0.000 0.000 3.129


<r2> (average value of r2) Å2
<r2> 26.935
(<r2>)1/2 5.190