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

using model chemistry: PBEPBE/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 PBEPBE/6-31G
 hartrees
Energy at 0K-190.168750
Energy at 298.15K-190.178803
Nuclear repulsion energy135.026117
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/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 3452 3404 0.70      
2 A 3068 3025 3.42      
3 A 3007 2966 3.68      
4 A 2901 2861 166.06      
5 A 1520 1499 4.46      
6 A 1512 1492 0.03      
7 A 1486 1465 0.01      
8 A 1443 1423 0.02      
9 A 1233 1215 12.67      
10 A 1123 1107 3.67      
11 A 1110 1094 6.29      
12 A 922 909 14.99      
13 A 588 579 208.50      
14 A 353 349 14.49      
15 A 261 258 4.50      
16 A 169 167 0.88      
17 B 3468 3420 3.06      
18 B 3067 3025 54.28      
19 B 3009 2967 89.13      
20 B 2885 2845 15.14      
21 B 1521 1500 12.64      
22 B 1471 1451 18.73      
23 B 1453 1433 2.25      
24 B 1428 1408 0.61      
25 B 1152 1136 9.84      
26 B 1114 1098 9.65      
27 B 998 984 0.07      
28 B 594 586 40.27      
29 B 471 464 18.42      
30 B 208 205 2.79      

Unscaled Zero Point Vibrational Energy (zpe) 23492.4 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 23168.2 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/6-31G
ABC
0.50317 0.17545 0.14683

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.170 0.690 -0.661
N2 0.170 -0.690 -0.661
C3 0.170 1.495 0.523
C4 -0.170 -1.495 0.523
H5 -1.131 0.818 -0.987
H6 1.131 -0.818 -0.987
H7 -0.157 2.532 0.338
H8 -0.285 1.158 1.482
H9 1.266 1.508 0.655
H10 0.157 -2.532 0.338
H11 0.285 -1.158 1.482
H12 -1.266 -1.508 0.655

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
N11.42161.47092.48521.02262.01842.09492.19572.11263.38912.86562.7868
N21.42162.48521.47092.01841.02263.38912.86562.78682.09492.19572.1126
C31.47092.48523.00972.10422.92481.10291.11381.10464.03152.82343.3319
C42.48521.47093.00972.92482.10424.03152.82343.33191.10291.11381.1046
H51.02262.01842.10422.92482.79152.37432.63112.98613.82603.46452.8508
H62.01841.02262.92482.10422.79153.82603.46452.85082.37432.63112.9861
H72.09493.38911.10294.03152.37433.82601.79271.78225.07383.88844.2017
H82.19572.86561.11382.82342.63113.46451.79271.79273.88842.38492.9587
H92.11262.78681.10463.33192.98612.85081.78221.79274.20172.95873.9389
H103.38912.09494.03151.10293.82602.37435.07383.88844.20171.79271.7822
H112.86562.19572.82341.11383.46452.63113.88842.38492.95871.79271.7927
H122.78682.11263.33191.10462.85082.98614.20172.95873.93891.78221.7927

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 118.436 N1 N2 H6 110.263
N1 C3 H7 108.110 N1 C3 H8 115.622
N1 C3 H9 109.401 N2 N1 C3 118.436
N2 N1 H5 110.263 N2 C4 H10 108.110
N2 C4 H11 115.622 N2 C4 H12 109.401
C3 N1 H5 113.890 C4 N2 H6 113.890
H7 C3 H8 107.940 H7 C3 H9 107.679
H8 C3 H9 107.821 H10 C4 H11 107.940
H10 C4 H12 107.679 H11 C4 H12 107.821
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.435      
2 N -0.435      
3 C -0.313      
4 C -0.313      
5 H 0.299      
6 H 0.299      
7 H 0.158      
8 H 0.132      
9 H 0.158      
10 H 0.158      
11 H 0.132      
12 H 0.158      


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 1.365 1.365
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.965 -2.040 0.000
y -2.040 -25.402 0.000
z 0.000 0.000 -29.265
Traceless
 xyz
x 3.368 -2.040 0.000
y -2.040 1.213 0.000
z 0.000 0.000 -4.581
Polar
3z2-r2-9.162
x2-y21.437
xy-2.040
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.032 -0.285 0.000
y -0.285 6.678 0.000
z 0.000 0.000 5.110


<r2> (average value of r2) Å2
<r2> 94.799
(<r2>)1/2 9.736