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All results from a given calculation for N2H4 (Hydrazine)

using model chemistry: mPW1PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-111.885065
Energy at 298.15K-111.890517
HF Energy-111.885065
Nuclear repulsion energy41.825434
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 mPW1PW91/6-311+G(3df,2p)
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 3613 3613 3.13      
2 A 3519 3519 1.61      
3 A 1696 1696 10.51      
4 A 1337 1337 3.15      
5 A 1149 1149 9.03      
6 A 813 813 72.76      
7 A 457 457 36.28      
8 B 3619 3619 5.11      
9 B 3511 3511 9.68      
10 B 1685 1685 14.53      
11 B 1305 1305 4.49      
12 B 972 972 138.00      

Unscaled Zero Point Vibrational Energy (zpe) 11838.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11838.2 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 mPW1PW91/6-311+G(3df,2p)
ABC
4.89320 0.82468 0.82387

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.709 -0.073
N2 0.000 -0.709 -0.073
H3 -0.238 1.098 0.831
H4 0.238 -1.098 0.831
H5 0.927 1.024 -0.318
H6 -0.927 -1.024 -0.318

Atom - Atom Distances (Å)
  N1 N2 H3 H4 H5 H6
N11.41761.01262.03431.00921.9804
N21.41762.03431.01261.98041.0092
H31.01262.03432.24701.63772.5093
H42.03431.01262.24702.50931.6377
H51.00921.98041.63772.50932.7627
H61.98041.00922.50931.63772.7627

picture of Hydrazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 H4 112.601 N1 N2 H6 108.203
N2 N1 H3 112.601 N2 N1 H5 108.203
H3 N1 H5 108.195 H4 N2 H6 108.195
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.309      
2 N -0.309      
3 H 0.144      
4 H 0.144      
5 H 0.165      
6 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.918 1.918
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.616 2.578 0.000
y 2.578 -13.034 0.000
z 0.000 0.000 -13.221
Traceless
 xyz
x 0.512 2.578 0.000
y 2.578 -0.116 0.000
z 0.000 0.000 -0.396
Polar
3z2-r2-0.792
x2-y20.419
xy2.578
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.996 0.084 0.000
y 0.084 3.543 0.000
z 0.000 0.000 3.016


<r2> (average value of r2) Å2
<r2> 23.125
(<r2>)1/2 4.809