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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: TPSSh/6-311G**

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/6-311G**
 hartrees
Energy at 0K-132.725274
Energy at 298.15K-132.727420
HF Energy-132.725274
Nuclear repulsion energy59.415646
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/6-311G**
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' 3509 3509 4.70      
2 A' 3492 3492 86.83      
3 A' 2237 2237 104.34      
4 A' 1649 1649 27.81      
5 A' 1081 1081 12.75      
6 A' 646 646 212.92      
7 A' 502 502 105.59      
8 A' 401 401 14.26      
9 A" 3591 3591 22.93      
10 A" 1207 1207 0.01      
11 A" 700 700 37.93      
12 A" 364 364 8.19      

Unscaled Zero Point Vibrational Energy (zpe) 9689.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9689.6 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/6-311G**
ABC
10.15561 0.31168 0.30516

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 1.367 0.000
C2 0.000 0.160 0.000
N3 0.090 -1.190 0.000
H4 -0.024 2.428 0.000
H5 -0.279 -1.629 0.836
H6 -0.279 -1.629 -0.836

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20632.55851.06153.12183.1218
C21.20631.35332.26781.99451.9945
N32.55851.35333.61981.01361.0136
H41.06152.26783.61984.15004.1500
H53.12181.99451.01364.15001.6713
H63.12181.99451.01364.15001.6713

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.560 C2 C1 H4 179.487
C2 N3 H5 114.072 C2 N3 H6 114.072
H5 N3 H6 111.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.011      
2 C 0.031      
3 N -0.572      
4 H 0.097      
5 H 0.227      
6 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.156 -1.510 0.000 1.902
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 2.219 0.052 0.000
y 0.052 6.699 0.000
z 0.000 0.000 2.538


<r2> (average value of r2) Å2
<r2> 44.303
(<r2>)1/2 6.656