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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: MP3/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at MP3/cc-pVDZ
 hartrees
Energy at 0K-186.281590
Energy at 298.15K 
HF Energy-185.690584
Nuclear repulsion energy88.708289
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 MP3/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 Ag 3461 3281 0.00      
2 Ag 2123 2012 0.00      
3 Ag 1205 1142 0.00      
4 Ag 937 889 0.00      
5 Ag 313 297 0.00      
6 Au 963 913 118.92      
7 Au 242 230 0.00      
8 Bg 688 652 0.00      
9 Bu 3462 3282 7.82      
10 Bu 1767 1675 127.48      
11 Bu 1171 1110 379.13      
12 Bu 288 273 5.59      

Unscaled Zero Point Vibrational Energy (zpe) 8310.4 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 7877.4 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 MP3/cc-pVDZ
ABC
7.85314 0.14092 0.13844

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.300 -0.592 0.000
C2 -0.300 0.592 0.000
N3 0.300 -1.848 0.000
N4 -0.300 1.848 0.000
H5 1.270 -2.198 0.000
H6 -1.270 2.198 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.32791.25612.51321.87643.2021
C21.32792.51321.25613.20211.8764
N31.25612.51323.74501.03114.3407
N42.51321.25613.74504.34071.0311
H51.87643.20211.03114.34075.0779
H63.20211.87644.34071.03115.0779

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 153.108 C1 N3 H5 109.852
C2 C1 N3 153.108 C2 N4 H6 109.852
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability