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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: MP4=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.529328
Energy at 298.15K-132.531444
HF Energy-131.899729
Nuclear repulsion energy59.225943
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 MP4=FULL/6-311+G(3df,2p)
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' 3556 3556        
2 A' 3479 3479        
3 A' 2174 2174        
4 A' 1647 1647        
5 A' 1062 1062        
6 A' 678 678        
7 A' 502 502        
8 A' 398 398        
9 A" 3651 3651        
10 A" 1206 1206        
11 A" 657 657        
12 A" 346 346        

Unscaled Zero Point Vibrational Energy (zpe) 9677.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9677.2 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 MP4=FULL/6-311+G(3df,2p)
ABC
10.14009 0.30905 0.30282

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.033 1.372 0.000
C2 0.000 0.160 0.000
N3 0.112 -1.195 0.000
H4 -0.059 2.434 0.000
H5 -0.263 -1.630 0.831
H6 -0.263 -1.630 -0.831

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21302.57171.06213.12373.1237
C21.21301.35972.27511.99081.9908
N32.57171.35973.63341.01041.0104
H41.06212.27513.63344.15334.1533
H53.12371.99081.01044.15331.6625
H63.12371.99081.01044.15331.6625

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.842 C2 C1 H4 179.808
C2 N3 H5 113.462 C2 N3 H6 113.462
H5 N3 H6 110.717
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability