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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-149.815501
Energy at 298.15K-149.820820
Nuclear repulsion energy71.545622
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 PBEPBE/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 3594 3543 16.94      
2 A 3471 3421 11.23      
3 A 3404 3355 0.58      
4 A 2969 2926 73.56      
5 A 1710 1686 225.88      
6 A 1598 1575 29.22      
7 A 1383 1363 26.75      
8 A 1317 1299 19.50      
9 A 1095 1079 106.73      
10 A 1080 1064 4.73      
11 A 1004 989 1.17      
12 A 785 774 25.63      
13 A 603 595 255.95      
14 A 539 531 19.63      
15 A 413 407 121.63      

Unscaled Zero Point Vibrational Energy (zpe) 12481.9 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 12303.4 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 PBEPBE/6-31G*
ABC
2.16247 0.35620 0.30800

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.122 0.399 -0.001
N2 1.144 -0.149 -0.078
N3 -1.178 -0.337 0.019
H4 -0.099 1.508 -0.015
H5 1.908 0.387 0.327
H6 1.177 -1.151 0.117
H7 -2.013 0.263 -0.009

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.38131.28811.10852.05652.02621.8965
N21.38132.33172.07181.01791.02163.1846
N31.28812.33172.13753.18542.49411.0287
H41.10852.07182.13752.32432.95222.2832
H52.05651.01793.18542.32431.71643.9380
H62.02621.02162.49412.95221.71643.4921
H71.89653.18461.02872.28323.93803.4921

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 117.191 C1 N2 H6 114.135
C1 N3 H7 109.375 N2 C1 N3 121.690
N2 C1 H4 112.176 N3 C1 H4 126.057
H5 N2 H6 114.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.168      
2 N -0.669      
3 N -0.565      
4 H 0.125      
5 H 0.325      
6 H 0.331      
7 H 0.284      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.729 1.612 0.891 2.527
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.921 -2.677 1.894
y -2.677 -17.230 -0.029
z 1.894 -0.029 -20.140
Traceless
 xyz
x 3.764 -2.677 1.894
y -2.677 0.300 -0.029
z 1.894 -0.029 -4.065
Polar
3z2-r2-8.129
x2-y22.309
xy-2.677
xz1.894
yz-0.029


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.653 0.164 0.051
y 0.164 3.771 -0.000
z 0.051 -0.000 1.713


<r2> (average value of r2) Å2
<r2> 44.833
(<r2>)1/2 6.696