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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B2PLYP=FULL/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-132.553970
Energy at 298.15K-132.556110
HF Energy-132.409773
Nuclear repulsion energy58.963577
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/cc-pVDZ
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' 3525 3379 5.82      
2 A' 3515 3369 90.19      
3 A' 2230 2137 80.17      
4 A' 1633 1565 20.48      
5 A' 1076 1031 10.28      
6 A' 729 699 199.59      
7 A' 503 482 79.75      
8 A' 388 372 8.28      
9 A" 3613 3463 24.98      
10 A" 1222 1171 0.30      
11 A" 675 647 31.01      
12 A" 346 332 5.43      

Unscaled Zero Point Vibrational Energy (zpe) 9726.7 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 9323.0 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/cc-pVDZ
ABC
9.85663 0.30670 0.30086

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.044 1.377 0.000
C2 0.000 0.158 0.000
N3 0.131 -1.200 0.000
H4 -0.093 2.445 0.000
H5 -0.277 -1.626 0.830
H6 -0.277 -1.626 -0.830

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.21962.58261.06983.12453.1245
C21.21961.36412.28941.98741.9874
N32.58261.36413.65221.01841.0184
H41.06982.28943.65224.15974.1597
H53.12451.98741.01844.15971.6598
H63.12451.98741.01844.15971.6598

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.593 C2 C1 H4 179.497
C2 N3 H5 112.245 C2 N3 H6 112.245
H5 N3 H6 109.154
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability