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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-149.970818
Energy at 298.15K-149.976149
Nuclear repulsion energy72.257790
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 mPW1PW91/6-31G**
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 3769 3586 33.20      
2 A 3632 3455 25.56      
3 A 3575 3402 0.88      
4 A 3077 2928 62.72      
5 A 1783 1696 271.85      
6 A 1638 1558 38.88      
7 A 1434 1365 27.52      
8 A 1353 1287 27.16      
9 A 1128 1073 116.68      
10 A 1107 1054 5.42      
11 A 1061 1009 1.93      
12 A 815 775 33.54      
13 A 588 560 177.39      
14 A 547 520 50.22      
15 A 385 367 176.28      

Unscaled Zero Point Vibrational Energy (zpe) 12945.3 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 12317.4 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 mPW1PW91/6-31G**
ABC
2.23158 0.36194 0.31309

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.122 0.393 -0.002
N2 1.134 -0.147 -0.067
N3 -1.169 -0.332 0.016
H4 -0.109 1.490 -0.012
H5 1.903 0.398 0.280
H6 1.183 -1.140 0.105
H7 -1.997 0.256 -0.002

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.36811.27391.09722.04462.01571.8803
N21.36812.31162.05611.00491.00843.1572
N31.27392.31162.10813.16892.48881.0158
H41.09722.05612.10812.30812.93222.2554
H52.04461.00493.16892.30811.70663.9131
H62.01571.00842.48882.93221.70663.4748
H71.88033.15721.01582.25543.91313.4748

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 118.194 C1 N2 H6 115.192
C1 N3 H7 109.897 N2 C1 N3 122.040
N2 C1 H4 112.562 N3 C1 H4 125.351
H5 N2 H6 115.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.251      
2 N -0.617      
3 N -0.567      
4 H 0.110      
5 H 0.284      
6 H 0.294      
7 H 0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.801 1.764 0.810 2.648
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.751 -2.719 1.672
y -2.719 -16.979 -0.032
z 1.672 -0.032 -20.067
Traceless
 xyz
x 3.773 -2.719 1.672
y -2.719 0.430 -0.032
z 1.672 -0.032 -4.202
Polar
3z2-r2-8.405
x2-y22.229
xy-2.719
xz1.672
yz-0.032


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.410 0.216 0.032
y 0.216 3.602 0.001
z 0.032 0.001 1.702


<r2> (average value of r2) Å2
<r2> 44.173
(<r2>)1/2 6.646