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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-189.186129
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 3272 2.08      
2 A 3049 3022 1.59      
3 A 3003 2975 4.24      
4 A 2904 2878 126.54      
5 A 1534 1520 2.75      
6 A 1504 1491 0.45      
7 A 1502 1488 0.56      
8 A 1434 1421 0.46      
9 A 1219 1207 15.83      
10 A 1095 1085 8.57      
11 A 1026 1016 1.99      
12 A 927 919 37.17      
13 A 590 584 130.06      
14 A 318 315 13.36      
15 A 282 279 0.88      
16 A 158 157 0.96      
17 B 3324 3294 2.73      
18 B 3050 3022 44.37      
19 B 3004 2976 63.14      
20 B 2884 2858 9.67      
21 B 1535 1521 13.77      
22 B 1494 1481 21.43      
23 B 1415 1402 0.39      
24 B 1409 1396 1.60      
25 B 1119 1109 8.81      
26 B 1094 1084 24.22      
27 B 953 945 0.54      
28 B 696 690 39.18      
29 B 456 452 3.52      
30 B 222 220 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 23249.5 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 23037.9 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