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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-190.470726
Energy at 298.15K-190.481130
Nuclear repulsion energy137.371842
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 3400 0.58      
2 A 3130 2987 3.45      
3 A 3084 2944 4.77      
4 A 3002 2865 134.60      
5 A 1588 1516 1.71      
6 A 1542 1471 1.19      
7 A 1510 1441 0.04      
8 A 1465 1398 0.12      
9 A 1288 1229 14.20      
10 A 1168 1115 0.99      
11 A 1152 1099 0.14      
12 A 953 909 15.66      
13 A 747 713 170.58      
14 A 342 327 10.62      
15 A 309 295 0.40      
16 A 192 183 0.38      
17 B 3580 3417 1.98      
18 B 3130 2987 65.59      
19 B 3085 2944 84.60      
20 B 2987 2851 12.80      
21 B 1546 1475 12.50      
22 B 1506 1437 18.78      
23 B 1491 1423 1.74      
24 B 1451 1385 1.50      
25 B 1191 1136 5.91      
26 B 1149 1097 15.88      
27 B 1043 995 0.09      
28 B 762 727 39.79      
29 B 512 488 3.15      
30 B 226 215 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 24344.7 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 23234.6 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
0.50110 0.18773 0.15417

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 -0.154 0.687 -0.679
N2 0.154 -0.687 -0.679
C3 0.154 1.435 0.528
C4 -0.154 -1.435 0.528
H5 -1.130 0.782 -0.921
H6 1.130 -0.782 -0.921
H7 -0.102 2.482 0.352
H8 -0.369 1.105 1.437
H9 1.229 1.388 0.719
H10 0.102 -2.482 0.352
H11 0.369 -1.105 1.437
H12 -1.229 -1.388 0.719

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
N11.40881.45232.44151.01081.96662.07062.16782.08743.34292.82212.7239
N21.40882.44151.45231.96661.01083.34292.82212.72392.07062.16782.0874
C31.45232.44152.88652.04292.82301.09191.09971.09323.92142.70653.1495
C42.44151.45232.88652.82302.04293.92142.70653.14951.09191.09971.0932
H51.01081.96662.04292.82302.74952.36002.49932.93673.71433.37202.7224
H61.96661.01082.82302.04292.74953.71433.37202.72242.36002.49932.9367
H72.07063.34291.09193.92142.36003.71431.77351.76104.96843.77694.0479
H82.16782.82211.09972.70652.49933.37201.77351.77423.77692.32952.7335
H92.08742.72391.09323.14952.93672.72241.76101.77424.04792.73353.7081
H103.34292.07063.92141.09193.71432.36004.96843.77694.04791.77351.7610
H112.82212.16782.70651.09973.37202.49933.77692.32952.73351.77351.7742
H122.72392.08743.14951.09322.72242.93674.04792.73353.70811.76101.7742

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 117.143 N1 N2 H6 107.599
N1 C3 H7 108.115 N1 C3 H8 115.616
N1 C3 H9 109.373 N2 N1 C3 117.143
N2 N1 H5 107.599 N2 C4 H10 108.115
N2 C4 H11 115.616 N2 C4 H12 109.373
C3 N1 H5 110.801 C4 N2 H6 110.801
H7 C3 H8 108.036 H7 C3 H9 107.400
H8 C3 H9 108.010 H10 C4 H11 108.036
H10 C4 H12 107.400 H11 C4 H12 108.010
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 -0.437      
2 N -0.437      
3 C -0.531      
4 C -0.531      
5 H 0.323      
6 H 0.323      
7 H 0.223      
8 H 0.202      
9 H 0.220      
10 H 0.223      
11 H 0.202      
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 1.482 1.482
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.833 -1.917 0.000
y -1.917 -25.872 0.000
z 0.000 0.000 -29.554
Traceless
 xyz
x 3.880 -1.917 0.000
y -1.917 0.821 0.000
z 0.000 0.000 -4.701
Polar
3z2-r2-9.402
x2-y22.039
xy-1.917
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.267 -0.191 0.000
y -0.191 6.689 0.000
z 0.000 0.000 5.353


<r2> (average value of r2) Å2
<r2> 91.060
(<r2>)1/2 9.543