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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: MP3=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-132.407638
Energy at 298.15K-132.409799
HF Energy-131.898387
Nuclear repulsion energy59.507596
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/TZVP
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' 3624 3384 20.00      
2 A' 3551 3315 83.32      
3 A' 2304 2151 95.51      
4 A' 1676 1565 35.34      
5 A' 1084 1012 13.35      
6 A' 727 679 237.78      
7 A' 536 501 91.31      
8 A' 414 387 9.99      
9 A" 3715 3469 30.77      
10 A" 1232 1150 0.34      
11 A" 669 625 43.05      
12 A" 319 298 5.75      

Unscaled Zero Point Vibrational Energy (zpe) 9925.8 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 9267.7 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/TZVP
ABC
10.15540 0.31211 0.30575

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.059 1.362 0.000
C2 0.000 0.164 0.000
N3 0.043 -1.196 0.000
H4 0.054 2.421 0.000
H5 -0.353 -1.604 0.831
H6 -0.353 -1.604 -0.831

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.19952.55841.05833.10773.1077
C21.19951.36092.25711.98521.9852
N32.55841.36093.61671.00661.0066
H41.05832.25713.61674.12954.1295
H53.10771.98521.00664.12951.6614
H63.10771.98521.00664.12951.6614

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 175.391 C2 C1 H4 176.947
C2 N3 H5 113.112 C2 N3 H6 113.112
H5 N3 H6 111.225
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability