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All results from a given calculation for NH2CH2NH2 (diaminomethane)

using model chemistry: M06-2X/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/6-31G
 hartrees
Energy at 0K-151.079079
Energy at 298.15K 
HF Energy-151.079079
Nuclear repulsion energy82.875124
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 M06-2X/6-31G
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 3598 3598 0.09      
2 A1 3114 3114 44.55      
3 A1 1712 1712 53.80      
4 A1 1528 1528 2.41      
5 A1 1097 1097 69.41      
6 A1 680 680 132.73      
7 A1 457 457 9.75      
8 A2 3724 3724 0.00      
9 A2 1421 1421 0.00      
10 A2 1057 1057 0.00      
11 A2 247 247 0.00      
12 B1 3724 3724 4.81      
13 B1 3165 3165 30.37      
14 B1 1361 1361 1.38      
15 B1 847 847 1.53      
16 B1 418 418 92.07      
17 B2 3601 3601 0.49      
18 B2 1702 1702 19.29      
19 B2 1436 1436 7.83      
20 B2 1130 1130 128.92      
21 B2 453 453 611.49      

Unscaled Zero Point Vibrational Energy (zpe) 18234.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18234.9 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 M06-2X/6-31G
See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.542
N2 0.000 1.252 -0.200
N3 0.000 -1.252 -0.200
H4 0.878 0.000 1.193
H5 -0.878 0.000 1.193
H6 0.844 1.473 -0.709
H7 -0.844 1.473 -0.709
H8 -0.844 -1.473 -0.709
H9 0.844 -1.473 -0.709

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5 H6 H7 H8 H9
C11.45501.45501.09271.09272.10882.10882.10882.1088
N21.45502.50372.06792.06791.01061.01062.89752.8975
N31.45502.50372.06792.06792.89752.89751.01061.0106
H41.09272.06792.06791.75542.40572.95832.95832.4057
H51.09272.06792.06791.75542.95832.40572.40572.9583
H62.10881.01062.89752.40572.95831.68873.39502.9452
H72.10881.01062.89752.95832.40571.68872.94523.3950
H82.10882.89751.01062.95832.40573.39502.94521.6887
H92.10882.89751.01062.40572.95832.94523.39501.6887

picture of diaminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H6 116.417 C1 N2 H7 116.417
C1 N3 H8 116.417 C1 N3 H9 116.417
N2 C1 N3 118.715 N2 C1 H4 107.673
N2 C1 H5 107.673 N3 C1 H4 107.673
N3 C1 H5 107.673 H4 C1 H5 106.884
H6 N2 H7 113.335 H8 N3 H9 113.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.044      
2 N -0.733      
3 N -0.733      
4 H 0.172      
5 H 0.172      
6 H 0.292      
7 H 0.292      
8 H 0.292      
9 H 0.292      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.017 2.017
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.172 0.000 0.000
y 0.000 -24.213 0.000
z 0.000 0.000 -18.616
Traceless
 xyz
x 5.243 0.000 0.000
y 0.000 -6.819 0.000
z 0.000 0.000 1.577
Polar
3z2-r23.153
x2-y28.041
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.766 0.000 0.000
y 0.000 3.740 0.000
z 0.000 0.000 3.116


<r2> (average value of r2) Å2
<r2> 54.469
(<r2>)1/2 7.380