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

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
1 2 yes C2 1A

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-188.880413
Energy at 298.15K-188.887875
HF Energy-188.122346
Nuclear repulsion energy122.729494
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/Def2TZVPP
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 3209 3053 0.20      
2 A1 3063 2914 11.49      
3 A1 1555 1480 4.98      
4 A1 1484 1412 0.50      
5 A1 1410 1342 18.12      
6 A1 1100 1047 4.25      
7 A1 902 858 0.23      
8 A1 385 366 0.71      
9 A2 3149 2997 0.00      
10 A2 1499 1427 0.00      
11 A2 1089 1036 0.00      
12 A2 467 445 0.00      
13 A2 70 67 0.00      
14 B1 3142 2990 22.02      
15 B1 1527 1453 24.86      
16 B1 950 904 5.29      
17 B1 237 226 0.32      
18 B2 3208 3052 23.64      
19 B2 3065 2917 1.06      
20 B2 1476 1404 14.53      
21 B2 1393 1326 0.66      
22 B2 1182 1124 9.27      
23 B2 991 942 7.89      
24 B2 619 589 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 18587.2 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 17685.7 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/Def2TZVPP
ABC
0.54232 0.23038 0.17209

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.623 -0.797
N2 0.000 -0.623 -0.797
C3 0.000 1.300 0.511
C4 0.000 -1.300 0.511
H5 0.000 2.366 0.323
H6 0.000 -2.366 0.323
H7 -0.881 1.024 1.094
H8 0.881 1.024 1.094
H9 0.881 -1.024 1.094
H10 -0.881 -1.024 1.094

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.24581.47322.32602.07183.19172.12402.12402.65742.6574
N21.24582.32601.47323.19172.07182.65742.65742.12402.1240
C31.47322.32602.60051.08193.67071.09191.09192.55262.5526
C42.32601.47322.60053.67071.08192.55262.55261.09191.0919
H52.07183.19171.08193.67074.73131.78081.78083.58563.5856
H63.19172.07183.67071.08194.73133.58563.58561.78081.7808
H72.12402.65741.09192.55261.78083.58561.76232.70122.0471
H82.12402.65741.09192.55261.78083.58561.76232.04712.7012
H92.65742.12402.55261.09193.58561.78082.70122.04711.7623
H102.65742.12402.55261.09193.58561.78082.04712.70121.7623

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 117.372 N1 C3 H5 107.365
N1 C3 H7 110.924 N1 C3 H8 110.924
N2 N1 C3 117.372 N2 C4 H6 107.365
N2 C4 H9 110.924 N2 C4 H10 110.924
H5 C3 H7 110.013 H5 C3 H8 110.013
H6 C4 H9 110.013 H6 C4 H10 110.013
H7 C3 H8 107.615 H9 C4 H10 107.615
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-188.880413
Energy at 298.15K-188.887879
HF Energy-188.122325
Nuclear repulsion energy122.738134
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/Def2TZVPP
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 3209 3053 0.20      
2 A 3149 2996 0.00      
3 A 3062 2914 11.51      
4 A 1555 1479 4.92      
5 A 1500 1427 0.00      
6 A 1484 1412 0.51      
7 A 1411 1342 18.10      
8 A 1100 1047 4.25      
9 A 1089 1037 0.00      
10 A 903 859 0.23      
11 A 468 445 0.00      
12 A 385 367 0.71      
13 A 71 68 0.00      
14 B 3208 3052 23.71      
15 B 3142 2990 22.05      
16 B 3065 2916 1.05      
17 B 1527 1453 24.87      
18 B 1476 1404 14.51      
19 B 1393 1326 0.67      
20 B 1182 1125 9.23      
21 B 991 943 7.84      
22 B 950 904 5.28      
23 B 620 590 0.28      
24 B 237 226 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 18588.3 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 17686.7 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/Def2TZVPP
ABC
0.54240 0.23043 0.17213

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.014 0.622 -0.790
N2 0.014 -0.622 -0.790
C3 0.014 1.318 0.506
C4 -0.014 -1.318 0.506
H5 0.070 2.382 0.308
H6 -0.070 -2.382 0.308
H7 -0.899 1.105 1.066
H8 0.866 1.013 1.116
H9 0.899 -1.105 1.066
H10 -0.866 -1.013 1.116

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.24521.47102.33332.07533.19902.11182.13422.69462.6512
N21.24522.33331.47103.19902.07532.69462.65122.11182.1342
C31.47102.33332.63601.08373.70601.09111.09122.64002.5643
C42.33331.47102.63603.70601.08372.64002.56431.09111.0912
H52.07533.19901.08373.70604.76571.77261.77773.66363.6124
H63.19902.07533.70601.08374.76573.66363.61241.77261.7777
H72.11182.69461.09112.64001.77263.66361.76762.84942.1188
H82.13422.65121.09122.56431.77773.61241.76762.11882.6644
H92.69462.11182.64001.09113.66361.77262.84942.11881.7676
H102.65122.13422.56431.09123.61241.77772.11882.66441.7676

picture of (Z)-1,2-Dimethyldiazene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 C4 118.182 N1 C3 H5 107.692
N1 C3 H7 110.140 N1 C3 H8 111.962
N2 N1 C3 118.182 N2 C4 H6 107.692
N2 C4 H9 110.140 N2 C4 H10 111.962
H5 C3 H7 109.181 H5 C3 H8 109.651
H6 C4 H9 109.181 H6 C4 H10 109.651
H7 C3 H8 108.187 H9 C4 H10 108.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability