return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: B3LYP/6-31G

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/6-31G
 hartrees
Energy at 0K-149.954178
Energy at 298.15K-149.959503
Nuclear repulsion energy71.733887
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/6-31G
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' 3770 3627 31.31      
2 A' 3622 3485 30.60      
3 A' 3475 3343 3.40      
4 A' 3060 2944 73.02      
5 A' 1748 1682 286.17      
6 A' 1666 1603 28.24      
7 A' 1416 1363 51.44      
8 A' 1353 1302 32.96      
9 A' 1114 1072 118.15      
10 A' 1083 1042 38.62      
11 A' 548 527 22.23      
12 A" 1072 1031 1.01      
13 A" 815 784 41.90      
14 A" 610 586 281.51      
15 A" 369 355 180.34      

Unscaled Zero Point Vibrational Energy (zpe) 12860.7 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 12372.0 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 B3LYP/6-31G
ABC
2.23259 0.35603 0.30706

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.419 0.000
N2 -1.045 -0.468 0.000
N3 1.226 0.018 0.000
H4 -0.329 1.465 0.000
H5 -2.002 -0.162 0.000
H6 -0.839 -1.455 0.000
H7 1.903 0.785 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.37011.28951.09662.08442.05281.9381
N21.37012.32202.06081.00441.00833.2030
N31.28952.32202.12353.23252.53651.0230
H41.09662.06082.12352.33382.96392.3334
H52.08441.00443.23252.33381.73834.0182
H62.05281.00832.53652.96391.73833.5406
H71.93813.20301.02302.33344.01823.5406

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 122.006 C1 N2 H6 118.540
C1 N3 H7 113.386 N2 C1 N3 121.604
N2 C1 H4 112.860 N3 C1 H4 125.536
H5 N2 H6 119.454
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.213      
2 N -0.698      
3 N -0.525      
4 H 0.118      
5 H 0.316      
6 H 0.327      
7 H 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.481 1.291 0.000 2.797
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.851 3.360 0.000
y 3.360 -15.601 0.000
z 0.000 0.000 -20.483
Traceless
 xyz
x 2.191 3.360 0.000
y 3.360 2.566 0.000
z 0.000 0.000 -4.757
Polar
3z2-r2-9.515
x2-y2-0.250
xy3.360
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.514 0.322 0.000
y 0.322 3.565 0.000
z 0.000 0.000 1.310


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