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/6-311G*

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/6-311G*
 hartrees
Energy at 0K-150.040391
Energy at 298.15K-150.045749
Nuclear repulsion energy72.100628
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/6-311G*
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 3688 3563 15.23      
2 A 3568 3447 12.30      
3 A 3506 3388 0.62      
4 A 3028 2926 78.36      
5 A 1746 1687 270.96      
6 A 1661 1605 30.42      
7 A 1428 1380 35.55      
8 A 1345 1300 22.43      
9 A 1128 1090 91.52      
10 A 1102 1065 38.57      
11 A 1050 1015 2.81      
12 A 810 783 36.25      
13 A 596 576 226.89      
14 A 553 535 29.25      
15 A 403 389 155.79      

Unscaled Zero Point Vibrational Energy (zpe) 12805.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 12373.5 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/6-311G*
ABC
2.22943 0.35959 0.31151

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.125 0.392 -0.003
N2 1.139 -0.146 -0.071
N3 -1.171 -0.332 0.017
H4 -0.115 1.490 -0.013
H5 1.902 0.397 0.299
H6 1.190 -1.139 0.109
H7 -2.007 0.246 -0.002

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.37531.27281.09792.04952.02151.8875
N21.37532.31882.06221.00721.01033.1706
N31.27282.31882.10663.17102.49661.0169
H41.09792.06222.10662.31582.93782.2640
H52.04951.00723.17102.31581.70343.9235
H62.02151.01032.49662.93781.70343.4858
H71.88753.17061.01692.26403.92353.4858

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 117.858 C1 N2 H6 115.000
C1 N3 H7 110.548 N2 C1 N3 122.200
N2 C1 H4 112.507 N3 C1 H4 125.241
H5 N2 H6 115.192
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.116      
2 N -0.696      
3 N -0.527      
4 H 0.166      
5 H 0.333      
6 H 0.336      
7 H 0.272      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.722 1.801 0.852 2.634
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.120 -2.783 1.805
y -2.783 -17.386 -0.005
z 1.805 -0.005 -20.531
Traceless
 xyz
x 3.839 -2.783 1.805
y -2.783 0.439 -0.005
z 1.805 -0.005 -4.278
Polar
3z2-r2-8.556
x2-y22.266
xy-2.783
xz1.805
yz-0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.552 0.231 0.035
y 0.231 3.835 -0.014
z 0.035 -0.014 2.097


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