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All results from a given calculation for CH2NH (Methanimine)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-94.067848
Energy at 298.15K 
HF Energy-94.067848
Nuclear repulsion energy32.748382
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 mPW1PW91/3-21G
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' 3320 3170 11.06      
2 A' 3161 3017 37.37      
3 A' 3045 2907 44.35      
4 A' 1715 1637 7.85      
5 A' 1540 1470 2.90      
6 A' 1374 1312 64.26      
7 A' 1101 1051 52.02      
8 A" 1193 1139 57.22      
9 A" 1123 1072 25.82      

Unscaled Zero Point Vibrational Energy (zpe) 8786.0 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 8387.1 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 mPW1PW91/3-21G
ABC
6.69981 1.14348 0.97677

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.055 0.589 0.000
N2 0.055 -0.685 0.000
H3 -0.826 1.240 0.000
H4 1.011 1.110 0.000
H5 -0.899 -1.088 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.27401.09561.08871.9295
N21.27402.11712.03361.0358
H31.09562.11711.84202.3291
H41.08872.03361.84202.9120
H51.92951.03582.32912.9120

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 112.898 N2 C1 H3 126.450
N2 C1 H4 118.577 H3 C1 H4 114.973
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.177      
2 N -0.510      
3 H 0.188      
4 H 0.223      
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
  -1.569 1.288 0.000 2.030
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.485 2.188 0.000
y 2.188 -12.401 0.000
z 0.000 0.000 -13.335
Traceless
 xyz
x 1.383 2.188 0.000
y 2.188 0.008 0.000
z 0.000 0.000 -1.392
Polar
3z2-r2-2.783
x2-y20.916
xy2.188
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.316 0.324 0.000
y 0.324 3.438 -0.000
z 0.000 -0.000 0.888


<r2> (average value of r2) Å2
<r2> 19.621
(<r2>)1/2 4.430