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

using model chemistry: HF/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 HF/TZVP
 hartrees
Energy at 0K-95.250855
Energy at 298.15K 
HF Energy-95.250855
Nuclear repulsion energy42.359059
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 HF/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' 3730 3389 0.10 100.64 0.12 0.21
2 A' 3204 2912 53.68 101.88 0.27 0.43
3 A' 3123 2838 98.45 139.49 0.14 0.25
4 A' 1804 1639 32.08 5.32 0.75 0.86
5 A' 1618 1470 6.76 14.28 0.70 0.82
6 A' 1585 1440 4.04 3.29 0.71 0.83
7 A' 1269 1153 15.20 2.40 0.53 0.69
8 A' 1132 1029 21.27 12.08 0.31 0.48
9 A' 905 822 184.14 2.19 0.70 0.82
10 A" 3809 3461 1.33 59.65 0.75 0.86
11 A" 3238 2942 51.07 74.50 0.75 0.86
12 A" 1637 1487 2.82 14.76 0.75 0.86
13 A" 1459 1325 0.10 2.36 0.75 0.86
14 A" 1044 948 0.05 0.02 0.75 0.86
15 A" 328 298 42.19 0.80 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14942.4 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 13576.7 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 HF/TZVP
ABC
3.53911 0.77131 0.73995

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.048 0.702 0.000
N2 0.048 -0.751 0.000
H3 -0.944 1.154 0.000
H4 0.580 1.060 0.873
H5 0.580 1.060 -0.873
H6 -0.418 -1.113 -0.806
H7 -0.418 -1.113 0.806

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45301.08971.08331.08332.03972.0397
N21.45302.14752.08002.08000.99860.9986
H31.08972.14751.75851.75852.46282.4628
H41.08332.08001.75851.74572.92182.3924
H51.08332.08001.75851.74572.39242.9218
H62.03970.99862.46282.92182.39241.6118
H72.03970.99862.46282.39242.92181.6118

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 111.260 C1 N2 H7 111.260
N2 C1 H3 114.501 N2 C1 H4 109.323
N2 C1 H5 109.323 H3 C1 H4 108.045
H3 C1 H5 108.045 H4 C1 H5 107.364
H6 N2 H7 107.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.143      
2 N -0.459      
3 H 0.058      
4 H 0.083      
5 H 0.083      
6 H 0.189      
7 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.402 0.402 0.000 1.459
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.069 2.250 0.000
y 2.250 -14.199 0.000
z 0.000 0.000 -12.486
Traceless
 xyz
x -1.727 2.250 0.000
y 2.250 -0.421 0.000
z 0.000 0.000 2.148
Polar
3z2-r24.295
x2-y2-0.871
xy2.250
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.816 0.071 0.000
y 0.071 3.215 0.000
z 0.000 0.000 3.016


<r2> (average value of r2) Å2
<r2> 26.420
(<r2>)1/2 5.140