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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: TPSSh/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 TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-132.708082
Energy at 298.15K-132.710057
HF Energy-132.708082
Nuclear repulsion energy59.122565
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/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' 3497 3382 27.98      
2 A' 3490 3376 65.42      
3 A' 2233 2160 126.17      
4 A' 1623 1570 21.79      
5 A' 1077 1042 13.85      
6 A' 622 601 173.21      
7 A' 479 463 97.65      
8 A' 333 322 22.79      
9 A" 3582 3465 27.72      
10 A" 1188 1149 0.98      
11 A" 639 618 44.73      
12 A" 328 317 6.34      

Unscaled Zero Point Vibrational Energy (zpe) 9544.9 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 9232.8 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/aug-cc-pVDZ
ABC
10.09866 0.30852 0.30211

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.032 1.374 0.000
C2 0.000 0.159 0.000
N3 0.060 -1.197 0.000
H4 0.037 2.442 0.000
H5 -0.322 -1.629 0.838
H6 -0.322 -1.629 -0.838

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21602.57161.06793.13783.1378
C21.21601.35712.28382.00022.0002
N32.57161.35713.63941.01661.0166
H41.06792.28383.63944.17184.1718
H53.13782.00021.01664.17181.6753
H63.13782.00021.01664.17181.6753

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 175.993 C2 C1 H4 178.786
C2 N3 H5 114.068 C2 N3 H6 114.068
H5 N3 H6 110.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.781      
2 C -0.240      
3 N -0.146      
4 H -0.424      
5 H 0.015      
6 H 0.015      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.090 -1.403 0.000 1.776
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 3.899 0.115 0.000
y 0.115 7.636 0.000
z 0.000 0.000 3.849


<r2> (average value of r2) Å2
<r2> 44.948
(<r2>)1/2 6.704