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

using model chemistry: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-189.839737
Energy at 298.15K-189.850318
Nuclear repulsion energy137.646634
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 CISD/6-311G*
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 3684 3409 0.15      
2 A 3211 2971 3.63      
3 A 3172 2935 11.38      
4 A 3103 2871 101.74      
5 A 1652 1529 1.48      
6 A 1599 1480 0.99      
7 A 1569 1452 0.09      
8 A 1529 1414 0.05      
9 A 1347 1247 17.28      
10 A 1231 1139 0.01      
11 A 1197 1107 1.08      
12 A 982 908 20.01      
13 A 809 749 164.80      
14 A 354 328 10.10      
15 A 332 307 0.01      
16 A 200 185 0.77      
17 B 3700 3423 1.06      
18 B 3211 2971 66.02      
19 B 3171 2934 81.60      
20 B 3087 2856 9.18      
21 B 1598 1478 13.33      
22 B 1566 1449 17.05      
23 B 1550 1434 0.06      
24 B 1517 1404 1.52      
25 B 1240 1148 3.78      
26 B 1197 1108 22.59      
27 B 1085 1004 0.00      
28 B 819 758 38.49      
29 B 535 495 2.85      
30 B 236 219 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 25240.7 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 23355.3 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 CISD/6-311G*
ABC
0.49981 0.18914 0.15501

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.155 0.688 -0.682
N2 0.155 -0.688 -0.682
C3 0.155 1.429 0.530
C4 -0.155 -1.429 0.530
H5 -1.129 0.775 -0.910
H6 1.129 -0.775 -0.910
H7 -0.082 2.476 0.353
H8 -0.380 1.102 1.426
H9 1.224 1.360 0.727
H10 0.082 -2.476 0.353
H11 0.380 -1.102 1.426
H12 -1.224 -1.360 0.727

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
N11.41001.45382.43871.00431.95982.06702.15992.08343.33672.81672.7060
N21.41002.43871.45381.95981.00433.33672.81672.70602.06702.15992.0834
C31.45382.43872.87442.03752.80661.08791.09371.08903.90912.69463.1177
C42.43871.45382.87442.80662.03753.90912.69463.11771.08791.09371.0890
H51.00431.95982.03752.80662.73902.36322.47502.92623.69153.35552.6922
H61.95981.00432.80662.03752.73903.69153.35552.69222.36322.47502.9262
H72.06703.33671.08793.90912.36323.69151.76791.75804.95403.76414.0196
H82.15992.81671.09372.69462.47503.35551.76791.76853.76412.33242.6953
H92.08342.70601.08903.11772.92622.69221.75801.76854.01962.69533.6597
H103.33672.06703.90911.08793.69152.36324.95403.76414.01961.76791.7580
H112.81672.15992.69461.09373.35552.47503.76412.33242.69531.76791.7685
H122.70602.08343.11771.08902.69222.92624.01962.69533.65971.75801.7685

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 116.756 N1 N2 H6 107.337
N1 C3 H7 107.959 N1 C3 H8 115.226
N1 C3 H9 109.198 N2 N1 C3 116.756
N2 N1 H5 107.337 N2 C4 H10 107.959
N2 C4 H11 115.226 N2 C4 H12 109.198
C3 N1 H5 110.641 C4 N2 H6 110.641
H7 C3 H8 108.261 H7 C3 H9 107.720
H8 C3 H9 108.238 H10 C4 H11 108.261
H10 C4 H12 107.720 H11 C4 H12 108.238
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability