return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3NNCH3 ((E)-1,2-Dimethyldiazene)

using model chemistry: TPSSh/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at TPSSh/3-21G
 hartrees
Energy at 0K-188.227617
Energy at 298.15K-188.234924
HF Energy-188.227617
Nuclear repulsion energy117.467035
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 TPSSh/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3132 3034 0.00      
2 Ag 3039 2944 0.00      
3 Ag 1550 1501 0.00      
4 Ag 1455 1410 0.00      
5 Ag 1368 1325 0.00      
6 Ag 1171 1135 0.00      
7 Ag 839 813 0.00      
8 Ag 567 549 0.00      
9 Au 3118 3021 32.54      
10 Au 1543 1495 16.44      
11 Au 1134 1099 0.00      
12 Au 276 267 8.48      
13 Au 166 161 3.97      
14 Bg 3118 3021 0.00      
15 Bg 1541 1493 0.00      
16 Bg 1029 997 0.00      
17 Bg 223 216 0.00      
18 Bu 3131 3033 31.91      
19 Bu 3037 2942 34.63      
20 Bu 1543 1495 24.67      
21 Bu 1423 1378 4.83      
22 Bu 1138 1103 0.46      
23 Bu 920 891 3.28      
24 Bu 330 319 16.41      

Unscaled Zero Point Vibrational Energy (zpe) 18394.1 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 17820.2 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 TPSSh/3-21G
ABC
1.30679 0.14316 0.13564

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.396 0.506 0.000
N2 -0.396 -0.506 0.000
C3 -0.396 1.791 0.000
C4 0.396 -1.791 0.000
H5 -1.473 1.594 0.000
H6 1.473 -1.594 0.000
H7 -0.098 2.358 0.889
H8 -0.098 2.358 -0.889
H9 0.098 -2.358 0.889
H10 0.098 -2.358 -0.889

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.28551.50962.29742.16262.36002.11262.11263.01383.0138
N21.28552.29741.50962.36002.16263.01383.01382.11262.1126
C31.50962.29743.66901.09513.86681.09561.09564.27204.2720
C42.29741.50963.66903.86681.09514.27204.27201.09561.0956
H52.16262.36001.09513.86684.34061.80731.80734.34444.3444
H62.36002.16263.86681.09514.34064.34444.34441.80731.8073
H72.11263.01381.09564.27201.80734.34441.77774.72015.0438
H82.11263.01381.09564.27201.80734.34441.77775.04384.7201
H93.01382.11264.27201.09564.34441.80734.72015.04381.7777
H103.01382.11264.27201.09564.34441.80735.04384.72011.7777

picture of (E)-1,2-Dimethyldiazene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 C4 110.302 N1 C3 H5 111.261
N1 C3 H7 107.304 N1 C3 H8 107.304
N2 N1 C3 110.302 N2 C4 H6 111.261
N2 C4 H9 107.304 N2 C4 H10 107.304
H5 C3 H7 111.175 H5 C3 H8 111.175
H6 C4 H9 111.175 H6 C4 H10 111.175
H7 C3 H8 108.444 H9 C4 H10 108.444
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.218      
2 N -0.218      
3 C -0.453      
4 C -0.453      
5 H 0.216      
6 H 0.216      
7 H 0.228      
8 H 0.228      
9 H 0.228      
10 H 0.228      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.180 -0.263 0.000
y -0.263 7.947 0.000
z 0.000 0.000 3.675


<r2> (average value of r2) Å2
<r2> 95.881
(<r2>)1/2 9.792