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/CEP-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/CEP-31G*
 hartrees
Energy at 0K-27.848483
Energy at 298.15K-27.853815
Nuclear repulsion energy40.676188
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/CEP-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 3672 3546 18.31      
2 A 3550 3428 15.12      
3 A 3506 3386 1.68      
4 A 3053 2948 73.01      
5 A 1725 1666 294.47      
6 A 1626 1570 31.48      
7 A 1406 1358 24.58      
8 A 1326 1281 25.28      
9 A 1113 1075 95.87      
10 A 1082 1045 25.28      
11 A 1030 995 1.38      
12 A 797 769 32.00      
13 A 609 588 332.43      
14 A 539 520 8.26      
15 A 410 396 108.94      

Unscaled Zero Point Vibrational Energy (zpe) 12721.3 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 12285.0 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/CEP-31G*
ABC
2.14770 0.35037 0.30357

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.125 0.400 -0.002
N2 1.157 -0.149 -0.082
N3 -1.187 -0.340 0.018
H4 -0.115 1.508 -0.015
H5 1.905 0.396 0.344
H6 1.189 -1.147 0.131
H7 -2.017 0.264 -0.000

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.39721.29461.10762.05922.03481.8972
N21.39722.35402.09011.01831.02103.2022
N31.29462.35402.13643.19482.51241.0267
H41.10762.09012.13642.33382.96182.2730
H52.05921.01833.19482.33381.71383.9395
H62.03481.02102.51242.96181.71383.5059
H71.89723.20221.02672.27303.93953.5059

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 116.091 C1 N2 H6 113.679
C1 N3 H7 109.085 N2 C1 N3 121.925
N2 C1 H4 112.597 N3 C1 H4 125.399
H5 N2 H6 114.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.515      
2 N -0.364      
3 N -0.146      
4 H 0.194      
5 H 0.289      
6 H 0.308      
7 H 0.235      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.736 1.944 1.017 2.797
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.267 -2.927 2.122
y -2.927 -17.020 -0.062
z 2.122 -0.062 -20.530
Traceless
 xyz
x 3.508 -2.927 2.122
y -2.927 0.878 -0.062
z 2.122 -0.062 -4.386
Polar
3z2-r2-8.773
x2-y21.754
xy-2.927
xz2.122
yz-0.062


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.585 0.275 0.002
y 0.275 3.631 0.029
z 0.002 0.029 2.141


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