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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: MP3=FULL/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-132.492619
Energy at 298.15K-132.494901
HF Energy-131.907788
Nuclear repulsion energy59.604219
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/Def2TZVPP
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' 3616 3616 24.54      
2 A' 3536 3536 87.63      
3 A' 2291 2291 104.11      
4 A' 1674 1674 28.09      
5 A' 1083 1083 14.34      
6 A' 695 695 200.18      
7 A' 572 572 94.84      
8 A' 445 445 17.59      
9 A" 3704 3704 39.27      
10 A" 1236 1236 0.41      
11 A" 734 734 41.95      
12 A" 373 373 7.58      

Unscaled Zero Point Vibrational Energy (zpe) 9978.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9978.9 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/Def2TZVPP
ABC
10.20877 0.31295 0.30667

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.043 1.361 0.000
C2 0.000 0.163 0.000
N3 0.122 -1.189 0.000
H4 -0.089 2.416 0.000
H5 -0.254 -1.618 0.827
H6 -0.254 -1.618 -0.827

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.19842.55581.05633.09923.0992
C21.19841.35832.25471.98061.9806
N32.55581.35833.61191.00421.0042
H41.05632.25473.61194.12184.1218
H53.09921.98061.00424.12181.6532
H63.09921.98061.00424.12181.6532

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.900 C2 C1 H4 179.536
C2 N3 H5 113.074 C2 N3 H6 113.074
H5 N3 H6 110.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability