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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-149.164489
Energy at 298.15K-149.169699
Nuclear repulsion energy71.735914
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 B3LYP/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' 3679 3540 29.89      
2 A' 3542 3408 26.61      
3 A' 3370 3242 2.21      
4 A' 3016 2901 76.73      
5 A' 1731 1665 229.35      
6 A' 1659 1596 22.94      
7 A' 1401 1348 45.73      
8 A' 1340 1289 33.04      
9 A' 1102 1060 158.45      
10 A' 1077 1036 17.05      
11 A' 543 522 19.57      
12 A" 1081 1040 0.26      
13 A" 813 782 33.41      
14 A" 593 570 209.53      
15 A" 283 273 204.80      

Unscaled Zero Point Vibrational Energy (zpe) 12614.9 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 12135.5 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 B3LYP/3-21G*
ABC
2.23431 0.35649 0.30744

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.418 0.000
N2 -1.039 -0.479 0.000
N3 1.224 0.031 0.000
H4 -0.357 1.455 0.000
H5 -2.004 -0.180 0.000
H6 -0.820 -1.468 0.000
H7 1.888 0.819 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.37241.28361.09722.09102.05631.9300
N21.37242.32002.05041.00941.01353.2018
N31.28362.32002.12793.23462.53491.0301
H41.09722.05042.12792.32072.95962.3335
H52.09101.00943.23462.32071.74904.0177
H62.05631.01352.53492.95961.74903.5443
H71.93003.20181.03012.33354.01773.5443

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 122.045 C1 N2 H6 118.276
C1 N3 H7 112.596 N2 C1 N3 121.701
N2 C1 H4 111.770 N3 C1 H4 126.529
H5 N2 H6 119.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.296      
2 N -0.726      
3 N -0.596      
4 H 0.166      
5 H 0.304      
6 H 0.314      
7 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.367 1.088 0.000 2.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.598 3.135 0.000
y 3.135 -15.314 0.000
z 0.000 0.000 -20.090
Traceless
 xyz
x 2.104 3.135 0.000
y 3.135 2.530 0.000
z 0.000 0.000 -4.633
Polar
3z2-r2-9.267
x2-y2-0.284
xy3.135
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.087 0.381 0.000
y 0.381 3.293 0.000
z 0.000 0.000 1.018


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000