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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: HSEh1PBE/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-132.554166
Energy at 298.15K-132.556223
HF Energy-132.554166
Nuclear repulsion energy59.337783
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/aug-cc-pVDZ
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' 3561 3427 13.83      
2 A' 3511 3378 101.03      
3 A' 2267 2181 134.48      
4 A' 1618 1557 26.40      
5 A' 1102 1060 16.97      
6 A' 592 569 161.95      
7 A' 483 465 122.94      
8 A' 391 376 16.56      
9 A" 3657 3518 41.00      
10 A" 1186 1141 0.44      
11 A" 659 634 43.48      
12 A" 347 334 7.69      

Unscaled Zero Point Vibrational Energy (zpe) 9686.0 cm-1
Scaled (by 0.9622) Zero Point Vibrational Energy (zpe) 9319.9 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/aug-cc-pVDZ
ABC
10.24799 0.31085 0.30420

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 1.370 0.000
C2 0.000 0.157 0.000
N3 0.084 -1.190 0.000
H4 -0.022 2.438 0.000
H5 -0.270 -1.635 0.838
H6 -0.270 -1.635 -0.838

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21282.56091.06833.13113.1311
C21.21281.34922.28111.99691.9969
N32.56091.34923.62911.01271.0127
H41.06832.28113.62914.16604.1660
H53.13111.99691.01274.16601.6755
H63.13111.99691.01274.16601.6755

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.631 C2 C1 H4 179.208
C2 N3 H5 114.693 C2 N3 H6 114.693
H5 N3 H6 111.634
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.796      
2 C -0.248      
3 N -0.122      
4 H -0.435      
5 H 0.005      
6 H 0.005      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.029 -1.477 0.000 1.800
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.706 1.948 0.000
y 1.948 -12.462 0.000
z 0.000 0.000 -17.302
Traceless
 xyz
x -5.824 1.948 0.000
y 1.948 6.543 0.000
z 0.000 0.000 -0.718
Polar
3z2-r2-1.437
x2-y2-8.245
xy1.948
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.830 0.008 0.000
y 0.008 7.502 0.000
z 0.000 0.000 3.788


<r2> (average value of r2) Å2
<r2> 44.712
(<r2>)1/2 6.687