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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: CID/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 CID/Def2TZVPP
 hartrees
Energy at 0K-132.375040
Energy at 298.15K-132.377385
HF Energy-131.908288
Nuclear repulsion energy59.814952
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 CID/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' 3683 3683 28.35      
2 A' 3578 3578 92.78      
3 A' 2331 2331 108.10      
4 A' 1704 1704 29.22      
5 A' 1106 1106 15.82      
6 A' 691 691 200.89      
7 A' 588 588 95.75      
8 A' 469 469 27.15      
9 A" 3775 3775 44.86      
10 A" 1257 1257 0.30      
11 A" 757 757 42.21      
12 A" 393 393 8.07      

Unscaled Zero Point Vibrational Energy (zpe) 10166.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10166.8 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 CID/Def2TZVPP
ABC
10.34414 0.31516 0.30869

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.066 1.355 0.000
C2 0.000 0.164 0.000
N3 0.137 -1.183 0.000
H4 -0.130 2.408 0.000
H5 -0.217 -1.622 0.826
H6 -0.217 -1.622 -0.826

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.19322.54581.05503.09283.0928
C21.19321.35332.24821.97911.9791
N32.54581.35333.60071.00031.0003
H41.05502.24823.60074.11454.1145
H53.09281.97911.00034.11451.6521
H63.09281.97911.00034.11451.6521

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.361 C2 C1 H4 179.752
C2 N3 H5 113.616 C2 N3 H6 113.616
H5 N3 H6 111.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability