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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-190.312888
Energy at 298.15K-190.322982
Nuclear repulsion energy136.362359
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 B1B95/6-31G
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 3592 3426 0.08      
2 A 3153 3007 3.52      
3 A 3095 2952 4.84      
4 A 2993 2855 146.23      
5 A 1565 1492 4.64      
6 A 1556 1484 0.35      
7 A 1531 1460 0.02      
8 A 1488 1419 0.03      
9 A 1286 1226 13.87      
10 A 1183 1128 1.49      
11 A 1161 1108 3.13      
12 A 945 901 9.36      
13 A 633 604 243.38      
14 A 367 350 10.56      
15 A 248 236 4.44      
16 A 163 156 2.11      
17 B 3607 3440 1.26      
18 B 3152 3007 53.59      
19 B 3095 2952 87.54      
20 B 2979 2841 12.85      
21 B 1565 1493 13.65      
22 B 1518 1447 18.37      
23 B 1504 1434 1.14      
24 B 1475 1407 1.32      
25 B 1196 1140 9.58      
26 B 1151 1098 11.09      
27 B 1048 1000 0.19      
28 B 592 565 37.73      
29 B 474 452 30.55      
30 B 191 182 2.94      

Unscaled Zero Point Vibrational Energy (zpe) 24252.2 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 23129.3 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 B1B95/6-31G
ABC
0.51514 0.17842 0.14954

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.171 0.681 -0.648
N2 0.171 -0.681 -0.648
C3 0.171 1.484 0.517
C4 -0.171 -1.484 0.517
H5 -1.105 0.826 -1.008
H6 1.105 -0.826 -1.008
H7 -0.134 2.516 0.326
H8 -0.294 1.160 1.462
H9 1.257 1.479 0.658
H10 0.134 -2.516 0.326
H11 0.294 -1.160 1.462
H12 -1.257 -1.479 0.658

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
N11.40401.45612.45841.01062.00682.07832.16772.09343.35592.83912.7474
N21.40402.45841.45612.00681.01063.35592.83912.74742.07832.16772.0934
C31.45612.45842.98812.09452.92081.09261.10261.09434.00482.81113.2925
C42.45841.45612.98812.92082.09454.00482.81113.29251.09261.10261.0943
H51.01062.00682.09452.92082.75812.36242.62122.96263.80543.46462.8478
H62.00681.01062.92082.09452.75813.80543.46462.84782.36242.62122.9626
H72.07833.35591.09264.00482.36243.80541.77571.76575.03903.87144.1631
H82.16772.83911.10262.81112.62123.46461.77571.77613.87142.39432.9223
H92.09342.74741.09433.29252.96262.84781.76571.77614.16312.92233.8817
H103.35592.07834.00481.09263.80542.36245.03903.87144.16311.77571.7657
H112.83912.16772.81111.10263.46462.62123.87142.39432.92231.77571.7761
H122.74742.09343.29251.09432.84782.96264.16312.92233.88171.76571.7761

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 118.523 N1 N2 H6 111.383
N1 C3 H7 108.419 N1 C3 H8 115.115
N1 C3 H9 109.516 N2 N1 C3 118.523
N2 N1 H5 111.383 N2 C4 H10 108.419
N2 C4 H11 115.115 N2 C4 H12 109.516
C3 N1 H5 115.041 C4 N2 H6 115.041
H7 C3 H8 107.975 H7 C3 H9 107.681
H8 C3 H9 107.893 H10 C4 H11 107.975
H10 C4 H12 107.681 H11 C4 H12 107.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.469      
2 N -0.469      
3 C -0.296      
4 C -0.296      
5 H 0.310      
6 H 0.310      
7 H 0.161      
8 H 0.133      
9 H 0.161      
10 H 0.161      
11 H 0.133      
12 H 0.161      


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 1.330 1.330
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.910 -2.031 0.000
y -2.031 -25.056 0.000
z 0.000 0.000 -28.840
Traceless
 xyz
x 3.038 -2.031 0.000
y -2.031 1.319 0.000
z 0.000 0.000 -4.357
Polar
3z2-r2-8.714
x2-y21.146
xy-2.031
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.830 -0.283 0.000
y -0.283 6.248 0.000
z 0.000 0.000 4.863


<r2> (average value of r2) Å2
<r2> 93.257
(<r2>)1/2 9.657