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All results from a given calculation for CH3NHNHCH3 (dimethyl hydrazine)

using model chemistry: MP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-189.882029
Energy at 298.15K-189.892492
Nuclear repulsion energy136.518314
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/cc-pVDZ
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 3529 3361 0.07      
2 A 3178 3027 2.02      
3 A 3134 2985 17.89      
4 A 3046 2902 86.22      
5 A 1547 1474 0.97      
6 A 1519 1447 1.13      
7 A 1491 1420 0.05      
8 A 1444 1376 0.00      
9 A 1274 1214 15.94      
10 A 1167 1112 0.45      
11 A 1141 1087 0.52      
12 A 952 907 20.90      
13 A 766 730 123.05      
14 A 343 327 7.88      
15 A 329 314 0.13      
16 A 185 176 1.09      
17 B 3546 3378 1.03      
18 B 3178 3027 44.43      
19 B 3132 2983 62.31      
20 B 3033 2889 9.26      
21 B 1519 1447 10.71      
22 B 1483 1412 16.45      
23 B 1447 1378 0.31      
24 B 1430 1362 0.95      
25 B 1177 1121 2.08      
26 B 1144 1090 19.61      
27 B 1042 992 0.62      
28 B 820 781 31.72      
29 B 511 487 2.24      
30 B 237 225 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 24372.3 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 23214.6 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/cc-pVDZ
ABC
0.48833 0.18748 0.15389

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.162 0.696 -0.694
N2 0.162 -0.696 -0.694
C3 0.162 1.429 0.531
C4 -0.162 -1.429 0.531
H5 -1.171 0.743 -0.856
H6 1.171 -0.743 -0.856
H7 -0.104 2.487 0.372
H8 -0.345 1.082 1.454
H9 1.252 1.378 0.700
H10 0.104 -2.487 0.372
H11 0.345 -1.082 1.454
H12 -1.252 -1.378 0.700

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
N11.42861.46452.45281.02281.96862.08552.18962.10013.36702.83342.7262
N21.42862.45281.46451.96861.02283.36702.83342.72622.08552.18962.1001
C31.46452.45282.87732.04272.76811.10221.10871.10373.92032.68153.1485
C42.45281.46452.87732.76812.04273.92032.68153.14851.10221.10871.1037
H51.02281.96862.04272.76812.77432.38502.47622.94893.68363.31102.6325
H61.96861.02282.76812.04272.77433.68363.31102.63252.38502.47622.9489
H72.08553.36701.10223.92032.38503.68361.78991.78184.97873.75614.0459
H82.18962.83341.10872.68152.47623.31101.78991.79013.75612.27072.7281
H92.10012.72621.10373.14852.94892.63251.78181.79014.04592.72813.7241
H103.36702.08553.92031.10223.68362.38504.97873.75614.04591.78991.7818
H112.83342.18962.68151.10873.31102.47623.75612.27072.72811.78991.7901
H122.72622.10013.14851.10372.63252.94894.04592.72813.72411.78181.7901

picture of dimethyl hydrazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 C4 115.948 N1 N2 H6 105.649
N1 C3 H7 107.854 N1 C3 H8 115.941
N1 C3 H9 108.909 N2 N1 C3 115.948
N2 N1 H5 105.649 N2 C4 H10 107.854
N2 C4 H11 115.941 N2 C4 H12 108.909
C3 N1 H5 109.136 C4 N2 H6 109.136
H7 C3 H8 108.103 H7 C3 H9 107.744
H8 C3 H9 108.019 H10 C4 H11 108.103
H10 C4 H12 107.744 H11 C4 H12 108.019
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability