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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-149.136512
Energy at 298.15K-149.141964
HF Energy-149.136512
Nuclear repulsion energy72.960691
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 HF/TZVP
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 3921 3563 40.73      
2 A 3798 3451 37.40      
3 A 3764 3420 9.24      
4 A 3226 2931 51.77      
5 A 1881 1709 379.80      
6 A 1774 1612 38.40      
7 A 1549 1408 36.99      
8 A 1431 1300 40.94      
9 A 1209 1098 44.24      
10 A 1189 1081 45.79      
11 A 1152 1046 65.52      
12 A 882 801 43.93      
13 A 602 547 118.97      
14 A 582 529 138.96      
15 A 402 365 180.36      

Unscaled Zero Point Vibrational Energy (zpe) 13680.4 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 12430.0 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 HF/TZVP
ABC
2.31865 0.36578 0.31755

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.128 0.383 -0.004
N2 1.131 -0.142 -0.065
N3 -1.158 -0.327 0.014
H4 -0.138 1.467 -0.008
H5 1.883 0.412 0.269
H6 1.203 -1.119 0.112
H7 -1.987 0.231 0.009

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.36531.25131.08422.02922.00961.8657
N21.36532.29812.05020.99220.99483.1416
N31.25132.29812.06383.14002.49230.9998
H41.08422.05022.06382.29622.91512.2239
H52.02920.99223.14002.29621.68273.8831
H62.00960.99482.49232.91511.68273.4659
H71.86573.14160.99982.22393.88313.4659

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 117.938 C1 N2 H6 115.856
C1 N3 H7 111.461 N2 C1 N3 122.808
N2 C1 H4 113.146 N3 C1 H4 124.012
H5 N2 H6 115.747
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.094      
2 N -0.396      
3 N -0.383      
4 H 0.057      
5 H 0.221      
6 H 0.237      
7 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.737 2.196 0.844 2.924
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.582 -2.964 1.715
y -2.964 -17.409 -0.032
z 1.715 -0.032 -20.792
Traceless
 xyz
x 3.519 -2.964 1.715
y -2.964 0.778 -0.032
z 1.715 -0.032 -4.297
Polar
3z2-r2-8.593
x2-y21.827
xy-2.964
xz1.715
yz-0.032


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.314 0.460 0.002
y 0.460 3.705 -0.009
z 0.002 -0.009 2.547


<r2> (average value of r2) Å2
<r2> 44.114
(<r2>)1/2 6.642