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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: CISD/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at CISD/Def2TZVPP
 hartrees
Energy at 0K-186.359646
Energy at 298.15K 
HF Energy-185.754904
Nuclear repulsion energy90.368113
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 CISD/Def2TZVPP
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 3580 3580 0.00      
2 Ag 2329 2329 0.00      
3 Ag 1223 1223 0.00      
4 Ag 970 970 0.00      
5 Ag 296 296 0.00      
6 Au 1010 1010 134.47      
7 Au 262 262 0.36      
8 Bg 672 672 0.00      
9 Bu 3581 3581 35.79      
10 Bu 1824 1824 225.62      
11 Bu 1210 1210 359.19      
12 Bu 301 301 9.21      

Unscaled Zero Point Vibrational Energy (zpe) 8627.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8627.9 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 CISD/Def2TZVPP
ABC
10.42639 0.14354 0.14159

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.164 -0.619 0.000
C2 -0.164 0.619 0.000
N3 0.164 -1.851 0.000
N4 -0.164 1.851 0.000
H5 1.101 -2.233 0.000
H6 -1.101 2.233 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.28091.23202.49191.86613.1200
C21.28092.49191.23203.12001.8661
N31.23202.49193.71681.01154.2755
N42.49191.23203.71684.27551.0115
H51.86613.12001.01154.27554.9792
H63.12001.86614.27551.01154.9792

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 165.172 C1 N3 H5 112.189
C2 C1 N3 165.172 C2 N4 H6 112.189
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability