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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-149.644150
Energy at 298.15K-149.649532
HF Energy-149.098370
Nuclear repulsion energy72.100330
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 MP2/6-31G(2df,p)
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 3765 3556 39.71      
2 A 3630 3428 34.17      
3 A 3582 3383 5.87      
4 A 3128 2955 42.10      
5 A 1749 1652 205.60      
6 A 1632 1541 27.82      
7 A 1415 1336 20.13      
8 A 1352 1277 25.80      
9 A 1119 1057 112.72      
10 A 1107 1045 2.65      
11 A 1062 1004 1.73      
12 A 830 784 28.17      
13 A 602 569 236.98      
14 A 548 517 17.72      
15 A 419 395 129.97      

Unscaled Zero Point Vibrational Energy (zpe) 12969.4 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 12249.6 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 MP2/6-31G(2df,p)
ABC
2.19937 0.36086 0.31224

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.122 0.397 -0.002
N2 1.138 -0.148 -0.078
N3 -1.170 -0.336 0.017
H4 -0.112 1.491 -0.012
H5 1.888 0.387 0.325
H6 1.171 -1.135 0.128
H7 -1.994 0.258 0.001

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.37491.27911.09382.03622.00871.8778
N21.37492.31792.06221.00551.00903.1599
N31.27912.31792.11093.15752.47601.0162
H41.09382.06222.11092.30892.92572.2500
H52.03621.00553.15752.30891.69453.8981
H62.00871.00902.47602.92571.69453.4606
H71.87783.15991.01622.25003.89813.4606

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 116.753 C1 N2 H6 113.946
C1 N3 H7 109.259 N2 C1 N3 121.662
N2 C1 H4 112.803 N3 C1 H4 125.465
H5 N2 H6 114.519
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.159      
2 N -0.611      
3 N -0.532      
4 H 0.133      
5 H 0.292      
6 H 0.303      
7 H 0.256      


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> 44.433
(<r2>)1/2 6.666