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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: MP3=FULL/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/cc-pVTZ
 hartrees
Energy at 0K-132.476869
Energy at 298.15K-132.479139
HF Energy-131.902861
Nuclear repulsion energy59.711498
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/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' 3631 3386 23.69      
2 A' 3549 3310 88.63      
3 A' 2308 2153 100.11      
4 A' 1681 1568 28.08      
5 A' 1095 1021 14.53      
6 A' 690 643 198.39      
7 A' 533 497 99.28      
8 A' 455 424 12.12      
9 A" 3717 3466 37.55      
10 A" 1237 1153 0.37      
11 A" 699 652 39.61      
12 A" 386 360 6.38      

Unscaled Zero Point Vibrational Energy (zpe) 9989.5 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 9316.2 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 MP3=FULL/cc-pVTZ
ABC
10.23891 0.31416 0.30780

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.052 1.358 0.000
C2 0.000 0.163 0.000
N3 0.129 -1.186 0.000
H4 -0.106 2.410 0.000
H5 -0.240 -1.619 0.827
H6 -0.240 -1.619 -0.827

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.19652.55081.05303.09553.0955
C21.19651.35502.24951.97881.9788
N32.55081.35503.60361.00351.0035
H41.05302.24953.60364.11484.1148
H53.09551.97881.00354.11481.6537
H63.09551.97881.00354.11481.6537

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 177.058 C2 C1 H4 179.568
C2 N3 H5 113.230 C2 N3 H6 113.230
H5 N3 H6 110.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability