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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: QCISD(T)=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)=FULL/6-31+G**
 hartrees
Energy at 0K-132.344083
Energy at 298.15K-132.346021
HF Energy-131.860017
Nuclear repulsion energy58.885057
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 QCISD(T)=FULL/6-31+G**
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' 3590 3590        
2 A' 3513 3513        
3 A' 2207 2207        
4 A' 1685 1685        
5 A' 1061 1061        
6 A' 721 721        
7 A' 475 475        
8 A' 323 323        
9 A" 3694 3694        
10 A" 1226 1226        
11 A" 599 599        
12 A" 297 297        

Unscaled Zero Point Vibrational Energy (zpe) 9694.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9694.8 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 QCISD(T)=FULL/6-31+G**
ABC
10.04445 0.30510 0.29905

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 1.377 0.000
C2 0.000 0.163 0.000
N3 -0.004 -1.209 0.000
H4 0.130 2.440 0.000
H5 -0.419 -1.606 0.833
H6 -0.419 -1.606 -0.833

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.22012.58881.06353.14353.1435
C21.22011.37172.28111.99911.9991
N32.58881.37173.65161.01151.0115
H41.06352.28113.65164.16704.1670
H53.14351.99911.01154.16701.6661
H63.14351.99911.01154.16701.6661

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.404 C2 C1 H4 174.637
C2 N3 H5 113.168 C2 N3 H6 113.168
H5 N3 H6 110.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability