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

using model chemistry: MP4=FULL/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 MP4=FULL/3-21G
 hartrees
Energy at 0K-187.458074
Energy at 298.15K-187.465269
HF Energy-186.986537
Nuclear repulsion energy116.226667
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 MP4=FULL/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3122 3056        
2 Ag 3031 2967        
3 Ag 1555 1522        
4 Ag 1450 1419        
5 Ag 1257 1230        
6 Ag 1152 1127        
7 Ag 821 804        
8 Ag 561 549        
9 Au 3112 3046        
10 Au 1557 1524        
11 Au 1136 1111        
12 Au 269 263        
13 Au 141 138        
14 Bg 3112 3046        
15 Bg 1557 1524        
16 Bg 1041 1019        
17 Bg 190 186        
18 Bu 3122 3056        
19 Bu 3030 2965        
20 Bu 1554 1521        
21 Bu 1439 1408        
22 Bu 1141 1117        
23 Bu 906 886        
24 Bu 332 325        

Unscaled Zero Point Vibrational Energy (zpe) 18292.0 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 17904.2 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 MP4=FULL/3-21G
ABC
1.27617 0.14012 0.13265

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.404 0.516 0.000
N2 -0.404 -0.516 0.000
C3 -0.404 1.811 0.000
C4 0.404 -1.811 0.000
H5 -1.481 1.599 0.000
H6 1.481 -1.599 0.000
H7 -0.114 2.379 0.894
H8 -0.114 2.379 -0.894
H9 0.114 -2.379 0.894
H10 0.114 -2.379 -0.894

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.31061.52642.32692.17372.37312.12972.12973.04313.0431
N21.31062.32691.52642.37312.17373.04313.04312.12972.1297
C31.52642.32693.71101.09733.89601.09771.09774.31484.3148
C42.32691.52643.71103.89601.09734.31484.31481.09771.0977
H52.17372.37311.09733.89604.35831.80981.80984.37714.3771
H62.37312.17373.89601.09734.35834.37714.37711.80981.8098
H72.12973.04311.09774.31481.80984.37711.78714.76245.0867
H82.12973.04311.09774.31481.80984.37711.78715.08674.7624
H93.04312.12974.31481.09774.37711.80984.76245.08671.7871
H103.04312.12974.31481.09774.37711.80985.08674.76241.7871

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 109.975 N1 C3 H5 110.818
N1 C3 H7 107.372 N1 C3 H8 107.372
N2 N1 C3 109.975 N2 C4 H6 110.818
N2 C4 H9 107.372 N2 C4 H10 107.372
H5 C3 H7 111.075 H5 C3 H8 111.075
H6 C4 H9 111.075 H6 C4 H10 111.075
H7 C3 H8 108.982 H9 C4 H10 108.982
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability