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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-149.125658
Energy at 298.15K-149.130936
Nuclear repulsion energy71.952428
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 mPW1PW91/3-21G*
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' 3734 3545 40.62      
2 A' 3593 3412 35.19      
3 A' 3435 3262 0.71      
4 A' 3050 2896 71.83      
5 A' 1755 1666 235.97      
6 A' 1668 1584 32.26      
7 A' 1412 1341 44.60      
8 A' 1353 1285 34.46      
9 A' 1115 1059 143.37      
10 A' 1085 1031 29.48      
11 A' 545 518 21.20      
12 A" 1093 1038 0.28      
13 A" 823 781 34.73      
14 A" 608 578 250.62      
15 A" 324 307 195.85      

Unscaled Zero Point Vibrational Energy (zpe) 12796.4 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 12151.5 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 mPW1PW91/3-21G*
ABC
2.24565 0.35888 0.30943

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.416 0.000
N2 -1.037 -0.474 0.000
N3 1.220 0.027 0.000
H4 -0.351 1.454 0.000
H5 -1.999 -0.176 0.000
H6 -0.818 -1.461 0.000
H7 1.886 0.809 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.36651.28071.09592.08462.04781.9263
N21.36652.31222.04661.00701.01123.1920
N31.28072.31222.12253.22552.52401.0267
H41.09592.04662.12252.31792.95262.3279
H52.08461.00703.22552.31791.74534.0075
H62.04781.01122.52402.95261.74533.5306
H71.92633.19201.02672.32794.00753.5306

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 122.146 C1 N2 H6 118.139
C1 N3 H7 112.729 N2 C1 N3 121.690
N2 C1 H4 111.958 N3 C1 H4 126.352
H5 N2 H6 119.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.288      
2 N -0.778      
3 N -0.628      
4 H 0.194      
5 H 0.326      
6 H 0.337      
7 H 0.262      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.406 1.169 0.000 2.675
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.005 0.347 0.000
y 0.347 3.216 0.000
z 0.000 0.000 1.022


<r2> (average value of r2) Å2
<r2> 44.416
(<r2>)1/2 6.665