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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: MP3=FULL/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-132.306394
Energy at 298.15K-132.308606
HF Energy-131.860408
Nuclear repulsion energy58.826502
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-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3579 3366 12.81      
2 A' 3532 3321 80.16      
3 A' 2286 2150 72.30      
4 A' 1657 1558 22.21      
5 A' 1074 1010 9.12      
6 A' 790 743 201.11      
7 A' 535 503 75.44      
8 A' 398 374 8.91      
9 A" 3667 3448 22.76      
10 A" 1244 1170 0.70      
11 A" 682 641 33.87      
12 A" 355 334 4.03      

Unscaled Zero Point Vibrational Energy (zpe) 9899.4 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 9308.4 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/cc-pVDZ
ABC
9.70564 0.30494 0.29946

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.068 1.377 0.000
C2 0.000 0.161 0.000
N3 0.156 -1.206 0.000
H4 -0.137 2.447 0.000
H5 -0.273 -1.619 0.826
H6 -0.273 -1.619 -0.826

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21762.59241.07263.11483.1148
C21.21761.37582.29021.98161.9816
N32.59241.37583.66481.01801.0180
H41.07262.29023.66484.15194.1519
H53.11481.98161.01804.15191.6512
H63.11481.98161.01804.15191.6512

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.699 C2 C1 H4 179.503
C2 N3 H5 110.859 C2 N3 H6 110.859
H5 N3 H6 108.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability