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All results from a given calculation for CH3NHNHCH3 (dimethyl hydrazine)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-189.380098
Energy at 298.15K-189.390281
Nuclear repulsion energy135.582308
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 mPW1PW91/3-21G*
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 3485 3309 0.95      
2 A 3145 2987 2.02      
3 A 3100 2944 5.39      
4 A 3010 2858 109.32      
5 A 1590 1510 2.70      
6 A 1560 1481 1.49      
7 A 1555 1477 0.53      
8 A 1491 1416 0.47      
9 A 1264 1200 16.02      
10 A 1149 1091 5.85      
11 A 1120 1063 1.15      
12 A 948 900 29.98      
13 A 633 601 174.92      
14 A 332 315 14.85      
15 A 286 272 1.52      
16 A 168 160 0.19      
17 B 3503 3327 0.07      
18 B 3145 2987 43.77      
19 B 3101 2944 63.79      
20 B 2994 2843 9.73      
21 B 1587 1507 14.45      
22 B 1551 1473 22.28      
23 B 1478 1403 0.25      
24 B 1472 1398 1.26      
25 B 1175 1115 10.95      
26 B 1141 1084 20.41      
27 B 1007 956 0.18      
28 B 685 650 43.17      
29 B 474 450 7.58      
30 B 217 206 2.20      

Unscaled Zero Point Vibrational Energy (zpe) 24182.6 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 22963.8 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 mPW1PW91/3-21G*
ABC
0.48385 0.18341 0.15039

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.164 0.705 -0.689
N2 0.164 -0.705 -0.689
C3 0.164 1.448 0.540
C4 -0.164 -1.448 0.540
H5 -1.147 0.796 -0.948
H6 1.147 -0.796 -0.948
H7 -0.112 2.495 0.381
H8 -0.329 1.096 1.459
H9 1.247 1.406 0.694
H10 0.112 -2.495 0.381
H11 0.329 -1.096 1.459
H12 -1.247 -1.406 0.694

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
N11.44711.47402.47921.02002.00972.08652.19032.09693.38512.84642.7457
N21.44712.47921.47402.00971.02003.38512.84642.74572.08652.19032.0969
C31.47402.47922.91522.08822.86671.09401.10171.09433.94682.70993.1878
C42.47921.47402.91522.86672.08823.94682.70993.18781.09401.10171.0943
H51.02002.00972.08822.86672.79212.39282.56042.96633.76593.39932.7486
H62.00971.02002.86672.08822.79213.76593.39932.74862.39282.56042.9663
H72.08653.38511.09403.94682.39283.76591.78011.76924.99483.77484.0747
H82.19032.84641.10172.70992.56043.39931.78011.78003.77482.28802.7723
H92.09692.74571.09433.18782.96632.74861.76921.78004.07472.77233.7585
H103.38512.08653.94681.09403.76592.39284.99483.77484.07471.78011.7692
H112.84642.19032.70991.10173.39932.56043.77482.28802.77231.78011.7800
H122.74572.09693.18781.09432.74862.96634.07472.77233.75851.76921.7800

picture of dimethyl hydrazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 C4 116.142 N1 N2 H6 107.831
N1 C3 H7 107.767 N1 C3 H8 115.750
N1 C3 H9 108.558 N2 N1 C3 116.142
N2 N1 H5 107.831 N2 C4 H10 107.767
N2 C4 H11 115.750 N2 C4 H12 108.558
C3 N1 H5 112.431 C4 N2 H6 112.431
H7 C3 H8 108.329 H7 C3 H9 107.891
H8 C3 H9 108.299 H10 C4 H11 108.329
H10 C4 H12 107.891 H11 C4 H12 108.299
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.466      
2 N -0.466      
3 C -0.471      
4 C -0.471      
5 H 0.307      
6 H 0.307      
7 H 0.224      
8 H 0.186      
9 H 0.220      
10 H 0.224      
11 H 0.186      
12 H 0.220      


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 1.741 1.741
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.436 -1.983 0.000
y -1.983 -25.212 0.000
z 0.000 0.000 -29.160
Traceless
 xyz
x 3.750 -1.983 0.000
y -1.983 1.086 0.000
z 0.000 0.000 -4.837
Polar
3z2-r2-9.673
x2-y21.776
xy-1.983
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.615 -0.288 0.000
y -0.288 5.917 0.000
z 0.000 0.000 4.501


<r2> (average value of r2) Å2
<r2> 92.542
(<r2>)1/2 9.620