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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: MP2=FULL/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 MP2=FULL/Def2TZVPP
 hartrees
Energy at 0K-132.477917
Energy at 298.15K-132.480109
HF Energy-131.906553
Nuclear repulsion energy59.391726
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 MP2=FULL/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' 3576 3576 24.73      
2 A' 3520 3520 87.09      
3 A' 2204 2204 97.46      
4 A' 1647 1647 26.74      
5 A' 1071 1071 12.98      
6 A' 686 686 200.51      
7 A' 542 542 94.80      
8 A' 417 417 9.71      
9 A" 3674 3674 44.65      
10 A" 1214 1214 0.20      
11 A" 685 685 43.44      
12 A" 359 359 6.49      

Unscaled Zero Point Vibrational Energy (zpe) 9797.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9797.3 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 MP2=FULL/Def2TZVPP
ABC
10.17494 0.31074 0.30453

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.023 1.369 0.000
C2 0.000 0.159 0.000
N3 0.106 -1.193 0.000
H4 -0.051 2.426 0.000
H5 -0.276 -1.621 0.828
H6 -0.276 -1.621 -0.828

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21042.56531.05743.11303.1130
C21.21041.35602.26781.98241.9824
N32.56531.35603.62251.00721.0072
H41.05742.26783.62254.13714.1371
H53.11301.98241.00724.13711.6560
H63.11301.98241.00724.13711.6560

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.612 C2 C1 H4 179.568
C2 N3 H5 113.213 C2 N3 H6 113.213
H5 N3 H6 110.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability