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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: TPSSh/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 TPSSh/Def2TZVPP
 hartrees
Energy at 0K-132.744710
Energy at 298.15K-132.746827
HF Energy-132.744710
Nuclear repulsion energy59.494079
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 TPSSh/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' 3514 3514 7.93      
2 A' 3481 3481 89.15      
3 A' 2232 2232 119.99      
4 A' 1642 1642 24.68      
5 A' 1081 1081 14.32      
6 A' 633 633 191.06      
7 A' 495 495 109.14      
8 A' 398 398 15.63      
9 A" 3596 3596 29.94      
10 A" 1200 1200 0.20      
11 A" 690 690 42.86      
12 A" 361 361 8.55      

Unscaled Zero Point Vibrational Energy (zpe) 9660.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9660.7 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 TPSSh/Def2TZVPP
ABC
10.23381 0.31248 0.30587

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.365 0.000
C2 0.000 0.160 0.000
N3 0.082 -1.188 0.000
H4 -0.009 2.426 0.000
H5 -0.282 -1.629 0.835
H6 -0.282 -1.629 -0.835

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20462.55451.06153.12113.1211
C21.20461.35112.26611.99471.9947
N32.55451.35113.61581.01181.0118
H41.06152.26613.61584.14964.1496
H53.12111.99471.01184.14961.6703
H63.12111.99471.01184.14961.6703

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.530 C2 C1 H4 179.495
C2 N3 H5 114.406 C2 N3 H6 114.406
H5 N3 H6 111.261
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.283      
2 C 0.062      
3 N -0.306      
4 H 0.157      
5 H 0.185      
6 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.052 -1.504 0.000 1.835
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.089 0.044 0.000
y 0.044 7.168 0.000
z 0.000 0.000 3.224


<r2> (average value of r2) Å2
<r2> 44.387
(<r2>)1/2 6.662