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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-190.348704
Energy at 298.15K-190.358837
Nuclear repulsion energy135.986334
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 B3PW91/6-31G
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 3582 3431 0.13      
2 A 3142 3009 3.76      
3 A 3084 2954 5.59      
4 A 2986 2860 151.71      
5 A 1566 1500 4.82      
6 A 1557 1492 0.01      
7 A 1532 1468 0.03      
8 A 1490 1427 0.03      
9 A 1283 1228 13.70      
10 A 1176 1127 1.80      
11 A 1163 1113 3.45      
12 A 943 903 10.21      
13 A 626 600 241.91      
14 A 370 355 11.90      
15 A 258 247 4.65      
16 A 167 160 1.63      
17 B 3597 3445 1.25      
18 B 3142 3009 56.30      
19 B 3085 2955 91.28      
20 B 2972 2846 13.24      
21 B 1566 1500 13.42      
22 B 1519 1455 18.72      
23 B 1506 1442 1.10      
24 B 1477 1414 1.25      
25 B 1196 1145 9.40      
26 B 1151 1102 11.15      
27 B 1042 998 0.26      
28 B 592 567 36.31      
29 B 477 457 30.94      
30 B 204 195 2.98      

Unscaled Zero Point Vibrational Energy (zpe) 24225.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 23200.5 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 B3PW91/6-31G
ABC
0.51645 0.17626 0.14828

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.173 0.682 -0.646
N2 0.173 -0.682 -0.646
C3 0.173 1.495 0.515
C4 -0.173 -1.495 0.515
H5 -1.110 0.823 -1.002
H6 1.110 -0.823 -1.002
H7 -0.144 2.525 0.320
H8 -0.284 1.173 1.468
H9 1.261 1.502 0.648
H10 0.144 -2.525 0.320
H11 0.284 -1.173 1.468
H12 -1.261 -1.502 0.648

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
N11.40641.45942.46711.01212.00892.08132.17312.09853.36372.84902.7614
N21.40642.46711.45942.00891.01213.36372.84902.76142.08132.17312.0985
C31.45942.46713.01022.09722.92431.09471.10441.09614.02462.83543.3247
C42.46711.45943.01022.92432.09724.02462.83543.32471.09471.10441.0961
H51.01212.00892.09722.92432.76342.36172.62742.96713.81133.46762.8544
H62.00891.01212.92432.09722.76343.81133.46762.85442.36172.62742.9671
H72.08133.36371.09474.02462.36173.81131.77841.76855.05763.89534.1912
H82.17312.84901.10442.83542.62743.46761.77841.77923.89532.41392.9633
H92.09852.76141.09613.32472.96712.85441.76851.77924.19122.96333.9216
H103.36372.08134.02461.09473.81132.36175.05763.89534.19121.77841.7685
H112.84902.17312.83541.10443.46762.62743.89532.41392.96331.77841.7792
H122.76142.09853.32471.09612.85442.96714.19122.96333.92161.76851.7792

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 118.817 N1 N2 H6 111.283
N1 C3 H7 108.310 N1 C3 H8 115.203
N1 C3 H9 109.579 N2 N1 C3 118.817
N2 N1 H5 111.283 N2 C4 H10 108.310
N2 C4 H11 115.203 N2 C4 H12 109.579
C3 N1 H5 114.907 C4 N2 H6 114.907
H7 C3 H8 107.941 H7 C3 H9 107.653
H8 C3 H9 107.904 H10 C4 H11 107.941
H10 C4 H12 107.653 H11 C4 H12 107.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.472      
2 N -0.472      
3 C -0.315      
4 C -0.315      
5 H 0.315      
6 H 0.315      
7 H 0.167      
8 H 0.139      
9 H 0.166      
10 H 0.167      
11 H 0.139      
12 H 0.166      


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 1.347 1.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.862 -2.033 0.000
y -2.033 -25.056 0.000
z 0.000 0.000 -28.882
Traceless
 xyz
x 3.107 -2.033 0.000
y -2.033 1.317 0.000
z 0.000 0.000 -4.423
Polar
3z2-r2-8.846
x2-y21.193
xy-2.033
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.857 -0.278 0.000
y -0.278 6.304 0.000
z 0.000 0.000 4.889


<r2> (average value of r2) Å2
<r2> 93.903
(<r2>)1/2 9.690