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

using model chemistry: PBEPBE/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 PBEPBE/3-21G*
 hartrees
Energy at 0K-189.176065
Energy at 298.15K-189.186116
Nuclear repulsion energy134.071602
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 PBEPBE/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 3302 3148 2.08      
2 A 3049 2908 1.59      
3 A 3003 2863 4.24      
4 A 2904 2769 126.54      
5 A 1534 1463 2.75      
6 A 1504 1434 0.45      
7 A 1502 1432 0.56      
8 A 1434 1367 0.46      
9 A 1219 1162 15.83      
10 A 1095 1044 8.57      
11 A 1026 978 1.99      
12 A 927 884 37.17      
13 A 590 562 130.06      
14 A 318 303 13.36      
15 A 282 269 0.88      
16 A 158 151 0.96      
17 B 3324 3169 2.73      
18 B 3050 2908 44.37      
19 B 3004 2864 63.14      
20 B 2884 2750 9.67      
21 B 1535 1464 13.77      
22 B 1494 1425 21.43      
23 B 1415 1349 0.39      
24 B 1409 1343 1.60      
25 B 1119 1067 8.81      
26 B 1094 1044 24.22      
27 B 953 909 0.54      
28 B 696 664 39.18      
29 B 456 435 3.52      
30 B 222 212 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 23249.5 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 22168.4 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 PBEPBE/3-21G*
ABC
0.46893 0.18057 0.14774

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.167 0.719 -0.707
N2 0.167 -0.719 -0.707
C3 0.167 1.455 0.548
C4 -0.167 -1.455 0.548
H5 -1.183 0.772 -0.902
H6 1.183 -0.772 -0.902
H7 -0.141 2.506 0.406
H8 -0.301 1.076 1.483
H9 1.264 1.437 0.677
H10 0.141 -2.506 0.406
H11 0.301 -1.076 1.483
H12 -1.264 -1.437 0.677

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
N11.47611.49272.51011.03552.02102.10512.22342.11623.42502.87052.7865
N21.47612.51011.49272.02101.03553.42502.87052.78652.10512.22342.1162
C31.49272.51012.92952.09492.84501.10391.11261.10423.96342.70233.2290
C42.51011.49272.92952.84502.09493.96342.70233.22901.10391.11261.1042
H51.03552.02102.09492.84502.82552.40782.56092.98633.76943.36252.7165
H62.02101.03552.84502.09492.82553.76943.36252.71652.40782.56092.9863
H72.10513.42501.10393.96342.40783.76941.79701.78605.01923.76664.1079
H82.22342.87051.11262.70232.56093.36251.79701.79633.76662.23522.8094
H92.11622.78651.10423.22902.98632.71651.78601.79634.10792.80943.8266
H103.42502.10513.96341.10393.76942.40785.01923.76664.10791.79701.7860
H112.87052.22342.70231.11263.36252.56093.76662.23522.80941.79701.7963
H122.78652.11623.22901.10422.71652.98634.10792.80943.82661.78601.7963

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 115.453 N1 N2 H6 105.815
N1 C3 H7 107.389 N1 C3 H8 116.412
N1 C3 H9 108.224 N2 N1 C3 115.453
N2 N1 H5 105.815 N2 C4 H10 107.389
N2 C4 H11 116.412 N2 C4 H12 108.224
C3 N1 H5 110.607 C4 N2 H6 110.607
H7 C3 H8 108.334 H7 C3 H9 107.961
H8 C3 H9 108.246 H10 C4 H11 108.334
H10 C4 H12 107.961 H11 C4 H12 108.246
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.420      
2 N -0.420      
3 C -0.470      
4 C -0.470      
5 H 0.290      
6 H 0.290      
7 H 0.214      
8 H 0.177      
9 H 0.210      
10 H 0.214      
11 H 0.177      
12 H 0.210      


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 1.799 1.799
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.480 -1.886 0.000
y -1.886 -25.619 0.000
z 0.000 0.000 -29.674
Traceless
 xyz
x 4.167 -1.886 0.000
y -1.886 0.958 0.000
z 0.000 0.000 -5.125
Polar
3z2-r2-10.249
x2-y22.139
xy-1.886
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.852 -0.275 0.000
y -0.275 6.352 0.000
z 0.000 0.000 4.750


<r2> (average value of r2) Å2
<r2> 94.049
(<r2>)1/2 9.698