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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: MP3=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-132.396665
Energy at 298.15K-132.399068
HF Energy-131.866375
Nuclear repulsion energy59.643866
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 MP3=FULL/6-31G(2df,p)
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' 3642 3642 21.62      
2 A' 3591 3591 89.66      
3 A' 2328 2328 72.78      
4 A' 1684 1684 28.11      
5 A' 1094 1094 11.01      
6 A' 717 717 211.81      
7 A' 592 592 65.14      
8 A' 495 495 34.64      
9 A" 3731 3731 34.75      
10 A" 1241 1241 0.03      
11 A" 761 761 34.05      
12 A" 422 422 6.75      

Unscaled Zero Point Vibrational Energy (zpe) 10148.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10148.4 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 MP3=FULL/6-31G(2df,p)
ABC
10.15380 0.31363 0.30742

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.091 1.357 0.000
C2 0.000 0.163 0.000
N3 0.162 -1.183 0.000
H4 -0.169 2.411 0.000
H5 -0.209 -1.624 0.825
H6 -0.209 -1.624 -0.825

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.19782.55271.05693.09533.0953
C21.19781.35552.25481.97901.9790
N32.55271.35553.60941.00651.0065
H41.05692.25483.60944.11874.1187
H53.09531.97901.00654.11871.6508
H63.09531.97901.00654.11871.6508

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.493 C2 C1 H4 179.902
C2 N3 H5 113.000 C2 N3 H6 113.000
H5 N3 H6 110.181
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability