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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B2PLYP=FULLultrafine/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B2PLYP=FULLultrafine/6-311G**
 hartrees
Energy at 0K-186.702797
Energy at 298.15K 
HF Energy-186.473833
Nuclear repulsion energy89.404242
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=FULLultrafine/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3417 3417 0.00 729.57 0.32 0.48
2 Ag 2129 2129 0.00 20.99 0.38 0.55
3 Ag 1180 1180 0.00 25.75 0.74 0.85
4 Ag 925 925 0.00 34.79 0.25 0.40
5 Ag 296 296 0.00 4.59 0.29 0.45
6 Au 964 964 128.57 0.00 0.00 0.00
7 Au 253 253 0.01 0.00 0.00 0.00
8 Bg 687 687 0.00 7.77 0.75 0.86
9 Bu 3417 3417 7.64 0.00 0.27 0.42
10 Bu 1731 1731 127.20 0.00 0.00 0.00
11 Bu 1144 1144 409.08 0.00 0.00 0.00
12 Bu 283 283 6.80 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8213.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8213.4 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 B2PLYP=FULLultrafine/6-311G**
ABC
8.96843 0.14211 0.13989

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.252 -0.600 0.000
C2 -0.252 0.600 0.000
N3 0.252 -1.848 0.000
N4 -0.252 1.848 0.000
H5 1.202 -2.231 0.000
H6 -1.202 2.231 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30071.24832.49881.88773.1818
C21.30072.49881.24833.18181.8877
N31.24832.49883.73001.02434.3300
N42.49881.24833.73004.33001.0243
H51.88773.18181.02434.33005.0679
H63.18181.88774.33001.02435.0679

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 157.233 C1 N3 H5 111.952
C2 C1 N3 157.233 C2 N4 H6 111.952
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability