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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B2PLYP=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-132.591090
Energy at 298.15K-132.593167
HF Energy-132.430665
Nuclear repulsion energy59.379523
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 B2PLYP=FULL/6-311G*
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' 3571 3571 10.95      
2 A' 3500 3500 71.96      
3 A' 2228 2228 89.50      
4 A' 1711 1711 36.07      
5 A' 1078 1078 11.17      
6 A' 683 683 252.97      
7 A' 487 487 85.85      
8 A' 356 356 27.45      
9 A" 3658 3658 21.39      
10 A" 1241 1241 0.04      
11 A" 659 659 39.73      
12 A" 360 360 6.85      

Unscaled Zero Point Vibrational Energy (zpe) 9765.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9765.8 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 B2PLYP=FULL/6-311G*
ABC
10.23725 0.31084 0.30437

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 1.369 0.000
C2 0.000 0.161 0.000
N3 0.087 -1.192 0.000
H4 -0.026 2.430 0.000
H5 -0.280 -1.629 0.833
H6 -0.280 -1.629 -0.833

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20802.56261.06143.12333.1233
C21.20801.35582.26931.99361.9936
N32.56261.35583.62391.00941.0094
H41.06142.26933.62394.15104.1510
H53.12331.99361.00944.15101.6664
H63.12331.99361.00944.15101.6664

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.508 C2 C1 H4 178.989
C2 N3 H5 114.095 C2 N3 H6 114.095
H5 N3 H6 111.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability