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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B2PLYP=FULL/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-132.646380
Energy at 298.15K-132.648527
HF Energy-132.458020
Nuclear repulsion energy59.539993
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/aug-cc-pVTZ
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' 3559 3415 16.31      
2 A' 3502 3359 92.39      
3 A' 2220 2130 121.21      
4 A' 1652 1585 25.63      
5 A' 1079 1035 16.31      
6 A' 627 601 177.77      
7 A' 500 480 110.07      
8 A' 421 404 7.26      
9 A" 3645 3497 41.94      
10 A" 1206 1157 0.40      
11 A" 688 660 39.49      
12 A" 361 346 8.17      

Unscaled Zero Point Vibrational Energy (zpe) 9729.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9334.5 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/aug-cc-pVTZ
ABC
10.33218 0.31258 0.30594

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.024 1.365 0.000
C2 0.000 0.161 0.000
N3 0.099 -1.187 0.000
H4 -0.053 2.422 0.000
H5 -0.249 -1.633 0.834
H6 -0.249 -1.633 -0.834

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20462.55491.05723.12013.1201
C21.20461.35122.26171.99371.9937
N32.55491.35123.61191.00781.0078
H41.05722.26173.61194.14444.1444
H53.12011.99371.00784.14441.6671
H63.12011.99371.00784.14441.6671

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.926 C2 C1 H4 179.570
C2 N3 H5 114.599 C2 N3 H6 114.599
H5 N3 H6 111.612
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability