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

using model chemistry: MP4=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-189.020872
Energy at 298.15K-189.028275
HF Energy-188.135619
Nuclear repulsion energy120.154316
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/cc-pVTZ
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 3136 3020        
2 Ag 3054 2940        
3 Ag 1581 1522        
4 Ag 1481 1426        
5 Ag 1412 1360        
6 Ag 1218 1173        
7 Ag 932 898        
8 Ag 599 577        
9 Au 3127 3011        
10 Au 1493 1438        
11 Au 1135 1093        
12 Au 288 278        
13 Au 165 159        
14 Bg 3128 3012        
15 Bg 1493 1438        
16 Bg 1039 1001        
17 Bg 198 190        
18 Bu 3138 3022        
19 Bu 3052 2939        
20 Bu 1495 1440        
21 Bu 1415 1363        
22 Bu 1138 1095        
23 Bu 1044 1006        
24 Bu 358 344        

Unscaled Zero Point Vibrational Energy (zpe) 18559.4 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 17870.9 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/cc-pVTZ
ABC
1.38627 0.14937 0.14190

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.376 0.498 0.000
N2 -0.376 -0.498 0.000
C3 -0.376 1.751 0.000
C4 0.376 -1.751 0.000
H5 -1.450 1.573 0.000
H6 1.450 -1.573 0.000
H7 -0.080 2.320 0.878
H8 -0.080 2.320 -0.878
H9 0.080 -2.320 0.878
H10 0.080 -2.320 -0.878

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.24811.46142.24832.11952.33292.07342.07342.96622.9662
N21.24812.24831.46142.33292.11952.96622.96622.07342.0734
C31.46142.24833.58101.08813.79261.08801.08804.18894.1889
C42.24831.46143.58103.79261.08814.18894.18891.08801.0880
H52.11952.33291.08813.79264.27921.79071.79074.27414.2741
H62.33292.11953.79261.08814.27924.27414.27411.79071.7907
H72.07342.96621.08804.18891.79074.27411.75684.64234.9636
H82.07342.96621.08804.18891.79074.27411.75684.96364.6423
H92.96622.07344.18891.08804.27411.79074.64234.96361.7568
H102.96622.07344.18891.08804.27411.79074.96364.64231.7568

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 111.912 N1 C3 H5 111.628
N1 C3 H7 107.941 N1 C3 H8 107.941
N2 N1 C3 111.912 N2 C4 H6 111.628
N2 C4 H9 107.941 N2 C4 H10 107.941
H5 C3 H7 110.748 H5 C3 H8 110.748
H6 C4 H9 110.748 H6 C4 H10 110.748
H7 C3 H8 107.683 H9 C4 H10 107.683
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability