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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-190.484378
Energy at 298.15K-190.494740
Nuclear repulsion energy137.248394
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 mPW1PW91/6-311G**
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 3562 3407 0.05      
2 A 3126 2991 2.97      
3 A 3079 2946 5.14      
4 A 2998 2868 124.36      
5 A 1561 1493 1.74      
6 A 1520 1455 1.15      
7 A 1491 1426 0.10      
8 A 1449 1387 0.05      
9 A 1274 1219 12.08      
10 A 1163 1113 0.97      
11 A 1142 1093 0.08      
12 A 946 905 11.50      
13 A 737 705 161.11      
14 A 341 326 10.08      
15 A 298 286 0.39      
16 A 185 177 0.31      
17 B 3579 3425 1.75      
18 B 3126 2990 55.70      
19 B 3079 2946 74.60      
20 B 2983 2854 10.40      
21 B 1526 1459 12.74      
22 B 1483 1419 17.19      
23 B 1467 1404 0.92      
24 B 1435 1373 0.80      
25 B 1181 1130 5.29      
26 B 1137 1088 14.11      
27 B 1037 992 0.15      
28 B 749 716 37.96      
29 B 510 488 3.11      
30 B 218 209 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 24191.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 23143.6 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 mPW1PW91/6-311G**
ABC
0.50336 0.18628 0.15371

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.158 0.686 -0.676
N2 0.158 -0.686 -0.676
C3 0.158 1.442 0.525
C4 -0.158 -1.442 0.525
H5 -1.138 0.774 -0.908
H6 1.138 -0.774 -0.908
H7 -0.120 2.484 0.352
H8 -0.341 1.104 1.444
H9 1.238 1.415 0.696
H10 0.120 -2.484 0.352
H11 0.341 -1.104 1.444
H12 -1.238 -1.415 0.696

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
N11.40891.45332.44371.01111.96662.07102.16882.08853.34452.81982.7320
N21.40892.44371.45331.96661.01113.34452.81982.73202.07102.16882.0885
C31.45332.44372.90122.04462.81501.09201.09991.09363.92982.71323.1841
C42.44371.45332.90122.81502.04463.92982.71323.18411.09201.09991.0936
H51.01111.96662.04462.81502.75292.35592.50592.93793.71283.35442.7157
H61.96661.01112.81502.04462.75293.71283.35442.71572.35592.50592.9379
H72.07103.34451.09203.92982.35593.71281.77371.76204.97353.77874.0703
H82.16882.81981.09992.71322.50593.35441.77371.77493.77872.31122.7761
H92.08852.73201.09363.18412.93792.71571.76201.77494.07032.77613.7596
H103.34452.07103.92981.09203.71282.35594.97353.77874.07031.77371.7620
H112.81982.16882.71321.09993.35442.50593.77872.31122.77611.77371.7749
H122.73202.08853.18411.09362.71572.93794.07032.77613.75961.76201.7749

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 117.240 N1 N2 H6 107.568
N1 C3 H7 108.070 N1 C3 H8 115.607
N1 C3 H9 109.363 N2 N1 C3 117.240
N2 N1 H5 107.568 N2 C4 H10 108.070
N2 C4 H11 115.607 N2 C4 H12 109.363
C3 N1 H5 110.852 C4 N2 H6 110.852
H7 C3 H8 108.034 H7 C3 H9 107.448
H8 C3 H9 108.031 H10 C4 H11 108.034
H10 C4 H12 107.448 H11 C4 H12 108.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.334      
2 N -0.334      
3 C -0.222      
4 C -0.222      
5 H 0.212      
6 H 0.212      
7 H 0.122      
8 H 0.103      
9 H 0.118      
10 H 0.122      
11 H 0.103      
12 H 0.118      


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 1.456 1.456
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.818 -1.764 0.000
y -1.764 -25.745 0.000
z 0.000 0.000 -29.398
Traceless
 xyz
x 3.753 -1.764 0.000
y -1.764 0.863 0.000
z 0.000 0.000 -4.617
Polar
3z2-r2-9.234
x2-y21.927
xy-1.764
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.389 -0.173 0.000
y -0.173 6.864 0.000
z 0.000 0.000 5.477


<r2> (average value of r2) Å2
<r2> 91.272
(<r2>)1/2 9.554