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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: TPSSh/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/cc-pVDZ
 hartrees
Energy at 0K-132.696798
Energy at 298.15K-132.698923
HF Energy-132.696798
Nuclear repulsion energy59.045751
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/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' 3504 3407 75.23      
2 A' 3466 3371 12.21      
3 A' 2244 2182 91.27      
4 A' 1626 1581 18.28      
5 A' 1080 1050 10.33      
6 A' 709 689 193.33      
7 A' 500 486 83.85      
8 A' 377 367 11.38      
9 A" 3550 3452 20.08      
10 A" 1209 1176 0.43      
11 A" 686 667 31.84      
12 A" 348 338 6.49      

Unscaled Zero Point Vibrational Energy (zpe) 9649.5 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 9383.2 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/cc-pVDZ
ABC
9.83330 0.30801 0.30205

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.020 1.374 0.000
C2 0.000 0.158 0.000
N3 0.110 -1.198 0.000
H4 -0.046 2.444 0.000
H5 -0.301 -1.624 0.833
H6 -0.301 -1.624 -0.833

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21662.57561.06993.12453.1245
C21.21661.36032.28651.98991.9899
N32.57561.36033.64521.02171.0217
H41.06992.28653.64524.16024.1602
H53.12451.98991.02174.16021.6654
H63.12451.98991.02174.16021.6654

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.322 C2 C1 H4 179.598
C2 N3 H5 112.534 C2 N3 H6 112.534
H5 N3 H6 109.172
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.065      
2 C 0.030      
3 N -0.209      
4 H 0.004      
5 H 0.120      
6 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.178 -1.482 0.000 1.893
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 2.038 0.054 0.000
y 0.054 6.676 0.000
z 0.000 0.000 2.413


<r2> (average value of r2) Å2
<r2> 44.580
(<r2>)1/2 6.677