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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-149.110263
Energy at 298.15K-149.115522
Nuclear repulsion energy71.817804
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 B3PW91/3-21G*
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' 3710 3560 37.01      
2 A' 3570 3425 32.04      
3 A' 3406 3268 1.04      
4 A' 3023 2900 76.53      
5 A' 1740 1670 230.60      
6 A' 1659 1591 29.23      
7 A' 1401 1344 44.01      
8 A' 1344 1289 34.05      
9 A' 1108 1063 142.58      
10 A' 1078 1034 29.64      
11 A' 542 520 20.95      
12 A" 1082 1038 0.17      
13 A" 816 783 34.37      
14 A" 603 579 242.01      
15 A" 317 304 196.50      

Unscaled Zero Point Vibrational Energy (zpe) 12699.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 12183.6 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 B3PW91/3-21G*
ABC
2.23689 0.35755 0.30827

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.417 0.000
N2 -1.039 -0.475 0.000
N3 1.223 0.027 0.000
H4 -0.354 1.456 0.000
H5 -2.002 -0.176 0.000
H6 -0.820 -1.464 0.000
H7 1.887 0.813 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.36891.28341.09822.08782.05191.9285
N21.36892.31672.04911.00861.01293.1970
N31.28342.31672.12793.23122.52961.0289
H41.09822.04912.12792.31952.95742.3317
H52.08781.00863.23122.31951.74814.0130
H62.05191.01292.52962.95741.74813.5379
H71.92853.19701.02892.33174.01303.5379

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 122.102 C1 N2 H6 118.194
C1 N3 H7 112.565 N2 C1 N3 121.696
N2 C1 H4 111.850 N3 C1 H4 126.454
H5 N2 H6 119.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.280      
2 N -0.765      
3 N -0.619      
4 H 0.188      
5 H 0.323      
6 H 0.333      
7 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.411 1.129 0.000 2.662
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.427 3.207 0.000
y 3.207 -15.165 0.000
z 0.000 0.000 -20.155
Traceless
 xyz
x 2.232 3.207 0.000
y 3.207 2.626 0.000
z 0.000 0.000 -4.858
Polar
3z2-r2-9.717
x2-y2-0.263
xy3.207
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.045 0.358 0.000
y 0.358 3.265 0.000
z 0.000 0.000 1.026


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