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

using model chemistry: QCISD/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 QCISD/6-311G*
 hartrees
Energy at 0K-189.938685
Energy at 298.15K-189.949190
Nuclear repulsion energy136.769015
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 QCISD/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 3550 3399 0.38      
2 A 3118 2985 3.00      
3 A 3079 2948 11.48      
4 A 3008 2880 97.95      
5 A 1604 1536 0.88      
6 A 1553 1486 1.28      
7 A 1521 1456 0.08      
8 A 1481 1418 0.27      
9 A 1303 1248 18.80      
10 A 1181 1131 0.01      
11 A 1153 1104 0.53      
12 A 959 918 29.24      
13 A 782 749 138.26      
14 A 347 332 8.04      
15 A 332 318 1.03      
16 A 199 190 1.01      
17 B 3567 3415 1.03      
18 B 3118 2985 60.05      
19 B 3078 2947 73.34      
20 B 2993 2865 8.98      
21 B 1549 1483 12.67      
22 B 1519 1454 16.56      
23 B 1500 1436 0.15      
24 B 1469 1407 1.70      
25 B 1196 1145 3.09      
26 B 1162 1113 23.34      
27 B 1043 999 0.06      
28 B 820 785 36.32      
29 B 520 498 2.26      
30 B 233 223 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 24468.6 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 23426.2 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 QCISD/6-311G*
ABC
0.48897 0.18822 0.15371

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.156 0.695 -0.693
N2 0.156 -0.695 -0.693
C3 0.156 1.429 0.536
C4 -0.156 -1.429 0.536
H5 -1.145 0.769 -0.899
H6 1.145 -0.769 -0.899
H7 -0.088 2.483 0.365
H8 -0.380 1.091 1.437
H9 1.233 1.360 0.729
H10 0.088 -2.483 0.365
H11 0.380 -1.091 1.437
H12 -1.233 -1.360 0.729

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
N11.42481.46472.45381.01331.96912.07892.17782.09623.35882.83062.7218
N21.42482.45381.46471.96911.01333.35882.83062.72182.07892.17782.0962
C31.46472.45382.87472.04632.80471.09561.10151.09663.91662.68533.1220
C42.45381.46472.87472.80472.04633.91662.68533.12201.09561.10151.0966
H51.01331.96912.04632.80472.75842.37842.47902.94243.70033.35252.6816
H61.96911.01332.80472.04632.75843.70033.35252.68162.37842.47902.9424
H72.07893.35881.09563.91662.37843.70031.78151.77154.96993.76064.0273
H82.17782.83061.10152.68532.47903.35251.78151.78193.76062.31012.6901
H92.09622.72181.09663.12202.94242.68161.77151.78194.02732.69013.6721
H103.35882.07893.91661.09563.70032.37844.96993.76064.02731.78151.7715
H112.83062.17782.68531.10153.35252.47903.76062.31012.69011.78151.7819
H122.72182.09623.12201.09662.68162.94244.02732.69013.67211.77151.7819

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 116.252 N1 N2 H6 106.511
N1 C3 H7 107.705 N1 C3 H8 115.402
N1 C3 H9 109.009 N2 N1 C3 116.252
N2 N1 H5 106.511 N2 C4 H10 107.705
N2 C4 H11 115.402 N2 C4 H12 109.009
C3 N1 H5 109.999 C4 N2 H6 109.999
H7 C3 H8 108.352 H7 C3 H9 107.815
H8 C3 H9 108.321 H10 C4 H11 108.352
H10 C4 H12 107.815 H11 C4 H12 108.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability