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All results from a given calculation for CH2NH (Methanimine)

using model chemistry: PBE1PBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/3-21G*
 hartrees
Energy at 0K-93.979470
Energy at 298.15K 
HF Energy-93.979470
Nuclear repulsion energy32.714048
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 PBE1PBE/3-21G*
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' 3308 3175 11.69      
2 A' 3156 3029 36.52      
3 A' 3040 2918 42.83      
4 A' 1711 1642 7.95      
5 A' 1536 1474 2.71      
6 A' 1372 1317 64.53      
7 A' 1099 1055 51.22      
8 A" 1192 1144 57.28      
9 A" 1119 1074 25.79      

Unscaled Zero Point Vibrational Energy (zpe) 8766.4 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 8414.0 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 PBE1PBE/3-21G*
ABC
6.67271 1.14177 0.97495

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.055 0.590 0.000
N2 0.055 -0.686 0.000
H3 -0.827 1.241 0.000
H4 1.013 1.109 0.000
H5 -0.902 -1.087 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.27531.09681.09001.9304
N21.27532.11942.03471.0375
H31.09682.11941.84502.3295
H41.09002.03471.84502.9138
H51.93041.03752.32952.9138

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 112.755 N2 C1 H3 126.456
N2 C1 H4 118.472 H3 C1 H4 115.072
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.178      
2 N -0.510      
3 H 0.188      
4 H 0.224      
5 H 0.276      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.565 1.285 0.000 2.025
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.507 2.185 0.000
y 2.185 -12.440 0.000
z 0.000 0.000 -13.368
Traceless
 xyz
x 1.398 2.185 0.000
y 2.185 -0.003 0.000
z 0.000 0.000 -1.395
Polar
3z2-r2-2.789
x2-y20.934
xy2.185
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.328 0.329 0.000
y 0.329 3.446 0.000
z 0.000 0.000 0.890


<r2> (average value of r2) Å2
<r2> 19.662
(<r2>)1/2 4.434