return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHNH2 (aminomethylene)

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-94.473197
Energy at 298.15K-94.476117
HF Energy-94.473197
Nuclear repulsion energy32.836956
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 HSEh1PBE/6-31+G**
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' 3611 3448 29.36 68.44 0.70 0.82
2 A' 3437 3282 10.37 311.89 0.26 0.41
3 A' 2955 2822 110.72 147.98 0.62 0.77
4 A' 1712 1634 14.49 20.77 0.63 0.77
5 A' 1461 1395 19.06 12.08 0.31 0.47
6 A' 1396 1333 37.29 4.21 0.41 0.59
7 A' 1082 1033 24.19 7.34 0.58 0.73
8 A" 1161 1109 11.84 1.01 0.75 0.86
9 A" 830 792 188.15 0.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8822.4 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 8423.7 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 HSEh1PBE/6-31+G**
ABC
6.81685 1.13177 0.97062

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.062 0.788 0.000
N2 0.062 -0.523 0.000
H3 -1.006 1.089 0.000
H4 -0.753 -1.137 0.000
H5 0.946 -1.018 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.31151.10982.09092.0108
N21.31151.93441.02061.0129
H31.10981.93442.24082.8725
H42.09091.02062.24081.7036
H52.01081.01292.87251.7036

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 126.966 C1 N2 H5 119.223
N2 C1 H3 105.747 H4 N2 H5 113.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.217      
2 N -0.496      
3 H 0.089      
4 H 0.293      
5 H 0.332      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.497 -3.382 0.000 3.699
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.271 -2.475 0.000
y -2.475 -13.853 0.000
z 0.000 0.000 -14.178
Traceless
 xyz
x 1.745 -2.475 0.000
y -2.475 -0.629 0.000
z 0.000 0.000 -1.116
Polar
3z2-r2-2.232
x2-y21.583
xy-2.475
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.247 0.028 0.000
y 0.028 4.479 0.000
z 0.000 0.000 2.384


<r2> (average value of r2) Å2
<r2> 20.076
(<r2>)1/2 4.481