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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: MP3=FULL/6-31G**

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/6-31G**
 hartrees
Energy at 0K-132.308496
Energy at 298.15K-132.310593
HF Energy-131.854360
Nuclear repulsion energy59.266837
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/6-31G**
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' 3656 3656 14.65      
2 A' 3581 3581 71.96      
3 A' 2323 2323 65.15      
4 A' 1703 1703 29.92      
5 A' 1089 1089 9.65      
6 A' 738 738 245.67      
7 A' 508 508 75.43      
8 A' 357 357 17.46      
9 A" 3752 3752 22.54      
10 A" 1248 1248 0.03      
11 A" 647 647 37.63      
12 A" 347 347 1.84      

Unscaled Zero Point Vibrational Energy (zpe) 9975.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9975.3 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 MP3=FULL/6-31G**
ABC
10.08506 0.30910 0.30309

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 1.370 0.000
C2 0.000 0.164 0.000
N3 0.102 -1.200 0.000
H4 -0.065 2.428 0.000
H5 -0.295 -1.617 0.826
H6 -0.295 -1.617 -0.826

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20622.57291.05873.11283.1128
C21.20621.36812.26441.98581.9858
N32.57291.36813.63161.00741.0074
H41.05872.26443.63164.13484.1348
H53.11281.98581.00744.13481.6525
H63.11281.98581.00744.13481.6525

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.192 C2 C1 H4 177.531
C2 N3 H5 112.540 C2 N3 H6 112.540
H5 N3 H6 110.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability