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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: MP3=FULL/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-132.493849
Energy at 298.15K-132.496093
HF Energy-131.904935
Nuclear repulsion energy59.708110
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/aug-cc-pVTZ
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' 3626 3626 22.92      
2 A' 3541 3541 91.38      
3 A' 2296 2296 115.58      
4 A' 1678 1678 28.15      
5 A' 1091 1091 17.09      
6 A' 670 670 178.37      
7 A' 536 536 98.58      
8 A' 443 443 16.10      
9 A" 3704 3704 43.17      
10 A" 1227 1227 0.78      
11 A" 706 706 39.38      
12 A" 375 375 6.82      

Unscaled Zero Point Vibrational Energy (zpe) 9946.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9946.0 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/aug-cc-pVTZ
ABC
10.25069 0.31419 0.30774

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.074 1.358 0.000
C2 0.000 0.163 0.000
N3 0.144 -1.183 0.000
H4 -0.137 2.409 0.000
H5 -0.213 -1.624 0.829
H6 -0.213 -1.624 -0.829

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.19722.55051.05273.09773.0977
C21.19721.35392.24991.98101.9810
N32.55051.35393.60301.00401.0040
H41.05272.24993.60304.11744.1174
H53.09771.98101.00404.11741.6575
H63.09771.98101.00404.11741.6575

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.447 C2 C1 H4 179.882
C2 N3 H5 113.481 C2 N3 H6 113.481
H5 N3 H6 111.273
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability