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

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-188.377339
Energy at 298.15K 
HF Energy-187.966687
Nuclear repulsion energy117.852099
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 MP2/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3183 3065 2.34      
2 A1 3011 2900 25.89      
3 A1 1516 1460 0.01      
4 A1 1456 1402 10.84      
5 A1 1352 1302 19.32      
6 A1 1091 1050 11.67      
7 A1 792 763 0.73      
8 A1 338 326 0.75      
9 A2 3113 2998 0.00      
10 A2 1516 1460 0.00      
11 A2 1084 1044 0.00      
12 A2 446 429 0.00      
13 A2 116i 112i 0.00      
14 B1 3111 2996 61.87      
15 B1 1541 1484 32.93      
16 B1 959 923 4.80      
17 B1 176 170 0.33      
18 B2 3181 3063 37.51      
19 B2 3012 2900 2.55      
20 B2 1499 1444 18.86      
21 B2 1425 1373 0.06      
22 B2 1174 1130 2.97      
23 B2 867 835 10.11      
24 B2 588 566 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 18156.7 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 17486.7 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 MP2/LANL2DZ
ABC
0.50996 0.20704 0.15616

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.655 -0.809
N2 0.000 -0.655 -0.809
C3 0.000 1.416 0.526
C4 0.000 -1.416 0.526
H5 0.000 2.482 0.264
H6 0.000 -2.482 0.264
H7 -0.900 1.175 1.122
H8 0.900 1.175 1.122
H9 0.900 -1.175 1.122
H10 -0.900 -1.175 1.122

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.31071.53732.46502.11893.31612.19372.19372.80942.8094
N21.31072.46501.53733.31612.11892.80942.80942.19372.1937
C31.53732.46502.83271.09783.90741.10621.10622.80722.8072
C42.46501.53732.83273.90741.09782.80722.80721.10621.1062
H52.11893.31611.09783.90744.96451.80461.80463.86293.8629
H63.31612.11893.90741.09784.96453.86293.86291.80461.8046
H72.19372.80941.10622.80721.80463.86291.80012.96012.3499
H82.19372.80941.10622.80721.80463.86291.80012.34992.9601
H92.80942.19372.80721.10623.86291.80462.96012.34991.8001
H102.80942.19372.80721.10623.86291.80462.34992.96011.8001

picture of (Z)-1,2-Dimethyldiazene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 C4 119.670 N1 C3 H5 105.837
N1 C3 H7 111.116 N1 C3 H8 111.116
N2 N1 C3 119.670 N2 C4 H6 105.837
N2 C4 H9 111.116 N2 C4 H10 111.116
H5 C3 H7 109.922 H5 C3 H8 109.922
H6 C4 H9 109.922 H6 C4 H10 109.922
H7 C3 H8 108.898 H9 C4 H10 108.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability