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All results from a given calculation for NHCHNH2 (aminomethanimine)

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-149.941803
Energy at 298.15K-149.947130
Nuclear repulsion energy72.254518
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 B1B95/6-31G**
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 3751 3581 30.11      
2 A 3614 3451 23.56      
3 A 3554 3393 0.69      
4 A 3063 2925 63.36      
5 A 1777 1697 268.31      
6 A 1626 1552 38.83      
7 A 1426 1361 25.02      
8 A 1344 1283 25.99      
9 A 1120 1069 111.77      
10 A 1100 1050 8.45      
11 A 1053 1005 2.03      
12 A 809 773 31.29      
13 A 588 561 185.43      
14 A 542 518 43.74      
15 A 389 372 167.30      

Unscaled Zero Point Vibrational Energy (zpe) 12877.5 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 12295.5 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 B1B95/6-31G**
ABC
2.22812 0.36208 0.31321

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.122 0.393 -0.002
N2 1.134 -0.147 -0.069
N3 -1.169 -0.333 0.016
H4 -0.109 1.490 -0.012
H5 1.902 0.396 0.286
H6 1.181 -1.140 0.107
H7 -1.996 0.257 -0.002

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7
C11.36851.27381.09722.04432.01461.8794
N21.36852.31132.05581.00551.00893.1568
N31.27382.31132.10883.16732.48601.0165
H41.09722.05582.10882.30802.93112.2549
H52.04431.00553.16732.30801.70583.9113
H62.01461.00892.48602.93111.70583.4726
H71.87943.15681.01652.25493.91133.4726

picture of aminomethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 118.082 C1 N2 H6 115.019
C1 N3 H7 109.780 N2 C1 N3 121.997
N2 C1 H4 112.512 N3 C1 H4 125.441
H5 N2 H6 115.733
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.249      
2 N -0.594      
3 N -0.546      
4 H 0.096      
5 H 0.275      
6 H 0.284      
7 H 0.237      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.773 1.718 0.814 2.600
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.792 -2.681 1.682
y -2.681 -17.020 -0.030
z 1.682 -0.030 -20.009
Traceless
 xyz
x 3.723 -2.681 1.682
y -2.681 0.381 -0.030
z 1.682 -0.030 -4.103
Polar
3z2-r2-8.207
x2-y22.228
xy-2.681
xz1.682
yz-0.030


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.443 0.201 0.038
y 0.201 3.627 0.000
z 0.038 0.000 1.704


<r2> (average value of r2) Å2
<r2> 44.167
(<r2>)1/2 6.646