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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: QCISD(T)=FULL/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at QCISD(T)=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-186.586152
Energy at 298.15K 
HF Energy-185.746477
Nuclear repulsion energy89.414232
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 QCISD(T)=FULL/daug-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 Ag 3427 3427        
2 Ag 2093 2093        
3 Ag 1177 1177        
4 Ag 920 920        
5 Ag 358 358        
6 Au 949 949        
7 Au 259 259        
8 Bg 689 689        
9 Bu 3425 3425        
10 Bu 1713 1713        
11 Bu 1145 1145        
12 Bu 292 292        

Unscaled Zero Point Vibrational Energy (zpe) 8223.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8223.1 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 QCISD(T)=FULL/daug-cc-pVTZ
ABC
8.70461 0.14245 0.14016

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/daug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.269 -0.594 0.000
C2 -0.269 0.594 0.000
N3 0.269 -1.843 0.000
N4 -0.269 1.843 0.000
H5 1.217 -2.223 0.000
H6 -1.217 2.223 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30441.24852.49561.88433.1847
C21.30442.49561.24853.18471.8843
N31.24852.49563.72451.02134.3284
N42.49561.24853.72454.32841.0213
H51.88433.18471.02134.32845.0679
H63.18471.88434.32841.02135.0679

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 155.658 C1 N3 H5 111.842
C2 C1 N3 155.658 C2 N4 H6 111.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability