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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: HSEh1PBE/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-132.591524
Energy at 298.15K-132.593695
HF Energy-132.591524
Nuclear repulsion energy59.705586
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/Def2TZVPP
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' 3575 3575 19.64      
2 A' 3497 3497 96.26      
3 A' 2263 2263 128.81      
4 A' 1637 1637 29.31      
5 A' 1105 1105 17.63      
6 A' 598 598 177.42      
7 A' 502 502 138.62      
8 A' 442 442 10.32      
9 A" 3664 3664 42.51      
10 A" 1196 1196 0.01      
11 A" 710 710 42.31      
12 A" 376 376 9.90      

Unscaled Zero Point Vibrational Energy (zpe) 9782.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9782.4 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/Def2TZVPP
ABC
10.39335 0.31478 0.30791

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.028 1.360 0.000
C2 0.000 0.159 0.000
N3 0.100 -1.181 0.000
H4 -0.061 2.421 0.000
H5 -0.234 -1.635 0.836
H6 -0.234 -1.635 -0.836

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20152.54401.06163.11593.1159
C21.20151.34332.26321.99241.9924
N32.54401.34333.60551.00791.0079
H41.06162.26323.60554.14464.1446
H53.11591.99241.00794.14461.6716
H63.11591.99241.00794.14461.6716

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.090 C2 C1 H4 179.580
C2 N3 H5 115.116 C2 N3 H6 115.116
H5 N3 H6 112.040
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.279      
2 C -0.011      
3 N -0.313      
4 H 0.227      
5 H 0.188      
6 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.990 -1.575 0.000 1.861
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.520 1.762 0.000
y 1.762 -12.160 0.000
z 0.000 0.000 -17.128
Traceless
 xyz
x -5.875 1.762 0.000
y 1.762 6.664 0.000
z 0.000 0.000 -0.788
Polar
3z2-r2-1.577
x2-y2-8.359
xy1.762
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.064 -0.049 0.000
y -0.049 7.057 0.000
z 0.000 0.000 3.186


<r2> (average value of r2) Å2
<r2> 44.169
(<r2>)1/2 6.646