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All results from a given calculation for HCONH2CN2H4 (formamide aminomethanimine dimer)

using model chemistry: HF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-318.064163
Energy at 298.15K-318.073316
Counterpoise corrected energy-318.063186
CP Energy at 298.15K-318.072340
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy227.750481
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 HF/6-31+G**
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' 3969 3588 132.37      
2 A' 3940 3563 119.32      
3 A' 3800 3436 9.78      
4 A' 3741 3383 396.32      
5 A' 3630 3282 422.03      
6 A' 3255 2943 68.56      
7 A' 3197 2891 126.11      
8 A' 1935 1750 847.73      
9 A' 1870 1690 212.27      
10 A' 1811 1638 25.67      
11 A' 1789 1618 19.73      
12 A' 1564 1414 60.05      
13 A' 1549 1401 27.59      
14 A' 1460 1320 66.49      
15 A' 1432 1295 161.75      
16 A' 1238 1120 112.05      
17 A' 1196 1082 3.25      
18 A' 1189 1075 5.61      
19 A' 669 605 18.31      
20 A' 617 558 11.38      
21 A' 186 168 58.31      
22 A' 152 137 0.16      
23 A' 143 129 3.76      
24 A" 1190 1076 0.02      
25 A" 1187 1073 0.27      
26 A" 875 791 148.38      
27 A" 850 768 50.03      
28 A" 741 670 97.38      
29 A" 497 449 142.82      
30 A" 331 299 105.29      
31 A" 151 137 13.74      
32 A" 83 75 157.61      
33 A" 46 41 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 25140.2 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 22731.7 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 HF/6-31+G**
ABC
0.18745 0.06019 0.04556

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.049 -1.352 0.000
N2 -1.013 -1.649 0.000
N3 1.834 -0.460 0.000
C4 -1.996 -0.748 0.000
O5 -1.844 0.449 0.000
C6 1.973 0.801 0.000
N7 0.947 1.666 0.000
H8 0.000 1.339 0.000
H9 -1.226 -2.617 0.000
H10 -2.996 -1.184 0.000
H11 2.722 -0.921 0.000
H12 2.946 1.281 0.000
H13 1.117 2.642 0.000

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.00812.08392.03812.54222.95403.17822.69141.72832.95162.80463.98774.1605
N21.00813.08501.33332.25603.86233.85083.15480.99212.03723.80494.92464.7901
N32.08393.08503.84113.78921.26922.30412.56953.74434.88431.00022.06583.1839
C42.03811.33333.84111.20644.26103.80682.88822.02161.09084.72125.34224.6027
O52.54222.25603.78921.20643.83383.04552.04823.12771.99774.76734.86193.6853
C62.95403.86231.26924.26103.83381.34192.04514.68235.35111.87821.08452.0298
N73.17823.85082.30413.80683.04551.34191.00194.80344.86533.13762.03550.9904
H82.69143.15482.56952.88822.04822.04511.00194.14233.91693.53802.94631.7161
H91.72830.99213.74432.02163.12774.68234.80344.14232.27794.29715.70995.7578
H102.95162.03724.88431.09081.99775.35114.86533.91692.27795.72426.43285.6173
H112.80463.80491.00024.72124.76731.87823.13763.53804.29715.72422.21353.9077
H123.98774.92462.06585.34224.86191.08452.03552.94635.70996.43282.21352.2794
H134.16054.79013.18394.60273.68532.02980.99041.71615.75785.61733.90772.2794

picture of formamide aminomethanimine dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N2 C4 120.396 H1 N2 H9 119.550
H1 N3 C6 121.611 H1 N3 H11 127.235
N2 H1 N3 171.800 N2 C4 O5 125.254
N2 C4 H10 113.996 N3 C6 N7 123.844
N3 C6 H12 122.531 C4 N2 H9 120.055
C4 O5 H8 122.999 O5 C4 H10 120.750
O5 H8 N7 173.274 C6 N3 H11 111.154
C6 N7 H8 120.823 C6 N7 H13 120.239
N7 C6 H12 113.625 H8 N7 H13 118.938
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.452      
2 N -0.697      
3 N -0.759      
4 C 0.498      
5 O -0.673      
6 C 0.287      
7 N -0.710      
8 H 0.435      
9 H 0.323      
10 H 0.113      
11 H 0.277      
12 H 0.130      
13 H 0.325      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.735 -1.103 0.000 2.056
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.752 10.388 0.000
y 10.388 -25.982 0.000
z 0.000 0.000 -40.406
Traceless
 xyz
x 4.442 10.388 0.000
y 10.388 8.597 0.000
z 0.000 0.000 -13.039
Polar
3z2-r2-26.078
x2-y2-2.770
xy10.388
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.473 -0.151 0.000
y -0.151 9.337 0.000
z 0.000 0.000 4.869


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000