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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31G**
 hartrees
Energy at 0K-132.550622
Energy at 298.15K 
HF Energy-132.403963
Nuclear repulsion energy59.220077
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=FULLultrafine/6-31G**
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' 3577 3577 11.37      
2 A' 3535 3535 79.56      
3 A' 2247 2247 73.21      
4 A' 1667 1667 27.16      
5 A' 1085 1085 10.82      
6 A' 679 679 237.20      
7 A' 484 484 76.35      
8 A' 320 320 26.66      
9 A" 3675 3675 24.46      
10 A" 1218 1218 0.03      
11 A" 639 639 35.69      
12 A" 345 345 2.62      

Unscaled Zero Point Vibrational Energy (zpe) 9735.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9735.7 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 B2PLYP=FULLultrafine/6-31G**
ABC
10.14617 0.30900 0.30273

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.043 1.372 0.000
C2 0.000 0.160 0.000
N3 0.122 -1.194 0.000
H4 -0.101 2.432 0.000
H5 -0.247 -1.634 0.832
H6 -0.247 -1.634 -0.832

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21282.57171.06103.12623.1262
C21.21281.35992.27371.99341.9934
N32.57171.35993.63271.01101.0110
H41.06102.27373.63274.15274.1527
H53.12621.99341.01104.15271.6640
H63.12621.99341.01104.15271.6640

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.885 C2 C1 H4 178.882
C2 N3 H5 113.626 C2 N3 H6 113.626
H5 N3 H6 110.765
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability