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All results from a given calculation for CH2NH (Methanimine)

using model chemistry: B3PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-93.377753
Energy at 298.15K 
HF Energy-93.377753
Nuclear repulsion energy32.045057
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 B3PW91/STO-3G
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' 3492 3090 15.81      
2 A' 3461 3063 5.60      
3 A' 3314 2933 0.28      
4 A' 1776 1571 4.30      
5 A' 1563 1383 0.03      
6 A' 1480 1310 29.35      
7 A' 1111 983 18.25      
8 A" 1235 1093 23.93      
9 A" 1070 947 12.87      

Unscaled Zero Point Vibrational Energy (zpe) 9250.4 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 8186.6 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 B3PW91/STO-3G
ABC
6.18866 1.10699 0.93902

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.059 0.599 0.000
N2 0.059 -0.709 0.000
H3 -0.831 1.258 0.000
H4 1.033 1.120 0.000
H5 -0.975 -1.009 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.30731.10791.10411.9113
N21.30732.15862.07141.0770
H31.10792.15861.86892.2708
H41.10412.07141.86892.9259
H51.91131.07702.27082.9259

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 106.172 N2 C1 H3 126.504
N2 C1 H4 118.169 H3 C1 H4 115.327
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.062      
2 N -0.263      
3 H 0.077      
4 H 0.090      
5 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.341 1.204 0.000 1.802
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.678 1.529 0.000
y 1.529 -12.154 0.000
z 0.000 0.000 -12.093
Traceless
 xyz
x 1.446 1.529 0.000
y 1.529 -0.769 0.000
z 0.000 0.000 -0.677
Polar
3z2-r2-1.354
x2-y21.476
xy1.529
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.420 0.369 0.000
y 0.369 2.117 0.000
z 0.000 0.000 0.452


<r2> (average value of r2) Å2
<r2> 19.543
(<r2>)1/2 4.421