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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-149.575092
Energy at 298.15K-149.580502
HF Energy-149.087800
Nuclear repulsion energy72.031213
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 3795 3546 29.80      
2 A 3656 3416 26.62      
3 A 3598 3362 1.29      
4 A 3156 2949 52.69      
5 A 1772 1655 208.68      
6 A 1663 1554 28.77      
7 A 1444 1349 19.93      
8 A 1369 1279 24.52      
9 A 1136 1062 103.06      
10 A 1122 1048 13.07      
11 A 1068 998 2.61      
12 A 834 779 25.15      
13 A 626 585 314.67      
14 A 558 522 10.54      
15 A 423 396 121.93      

Unscaled Zero Point Vibrational Energy (zpe) 13109.7 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 12249.7 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
2.18595 0.36047 0.31179

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 0.400 -0.002
N2 1.140 -0.148 -0.079
N3 -1.171 -0.337 0.018
H4 -0.113 1.491 -0.017
H5 1.888 0.378 0.338
H6 1.162 -1.136 0.120
H7 -1.995 0.257 -0.001

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.37661.28281.09122.03702.00531.8801
N21.37662.32002.06391.00531.00843.1619
N31.28282.32002.11233.15692.46801.0163
H41.09122.06392.11232.31622.92362.2514
H52.03701.00533.15692.31621.69363.8996
H62.00531.00842.46802.92361.69363.4532
H71.88013.16191.01632.25143.89963.4532

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 116.700 C1 N2 H6 113.550
C1 N3 H7 109.171 N2 C1 N3 121.427
N2 C1 H4 112.997 N3 C1 H4 125.496
H5 N2 H6 114.496
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 0.356      
2 N -0.705      
3 N -0.629      
4 H 0.123      
5 H 0.292      
6 H 0.310      
7 H 0.253      


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> 44.549
(<r2>)1/2 6.674