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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-149.537522
Energy at 298.15K-149.542941
HF Energy-149.073869
Nuclear repulsion energy71.890484
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 MP2=FULL/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 3722 3507 30.29      
2 A 3593 3386 27.88      
3 A 3535 3331 1.49      
4 A 3131 2950 52.41      
5 A 1769 1667 205.96      
6 A 1668 1572 31.28      
7 A 1448 1364 23.48      
8 A 1375 1295 24.71      
9 A 1142 1076 91.17      
10 A 1125 1060 24.37      
11 A 1064 1002 2.93      
12 A 837 789 24.69      
13 A 644 607 358.88      
14 A 562 529 7.91      
15 A 429 404 116.39      

Unscaled Zero Point Vibrational Energy (zpe) 13021.5 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 12268.8 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 MP2=FULL/6-31G*
ABC
2.17220 0.35973 0.31109

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.121 0.401 -0.002
N2 1.141 -0.148 -0.081
N3 -1.171 -0.337 0.019
H4 -0.113 1.497 -0.018
H5 1.891 0.376 0.349
H6 1.160 -1.142 0.120
H7 -2.004 0.253 -0.002

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.37821.28341.09602.04282.00901.8889
N21.37822.32132.06941.01121.01443.1712
N31.28342.32132.11723.16102.46761.0211
H41.09602.06942.11722.32632.93332.2633
H52.04281.01123.16102.32631.70003.9130
H62.00901.01442.46762.93331.70003.4597
H71.88893.17121.02112.26333.91303.4597

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 116.671 C1 N2 H6 113.338
C1 N3 H7 109.573 N2 C1 N3 121.374
N2 C1 H4 113.028 N3 C1 H4 125.510
H5 N2 H6 114.129
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2=FULL/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.298      
2 N -0.851      
3 N -0.687      
4 H 0.170      
5 H 0.365      
6 H 0.383      
7 H 0.322      


Electric dipole moments


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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 44.688
(<r2>)1/2 6.685