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

using model chemistry: PBEPBEultrafine_cp/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBEultrafine_cp/6-31G*
 hartrees
Energy at 0K-319.535856
Energy at 298.15K-319.526845
Nuclear repulsion energy 
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 PBEPBEultrafine/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 A 3615 3555 64.08      
2 A 3564 3505 36.05      
3 A 3442 3385 1.56      
4 A 3186 3133 977.46      
5 A 2991 2942 58.84      
6 A 2919 2870 739.61      
7 A 2884 2837 534.08      
8 A 1761 1732 487.59      
9 A 1716 1687 87.83      
10 A 1641 1614 3.14      
11 A 1621 1595 2.11      
12 A 1406 1383 22.02      
13 A 1392 1370 11.67      
14 A 1348 1326 25.43      
15 A 1333 1311 68.00      
16 A 1141 1122 58.51      
17 A 1105 1087 1.92      
18 A 1087 1069 7.80      
19 A 1033 1016 30.07      
20 A 1004 988 0.38      
21 A 905 890 59.72      
22 A 817 804 26.11      
23 A 728 716 149.49      
24 A 643 632 9.16      
25 A 579 570 5.87      
26 A 500 491 103.59      
27 A 345 340 72.16      
28 A 257 252 88.51      
29 A 197 193 1.13      
30 A 168 166 0.51      
31 A 147 144 10.63      
32 A 103 101 106.16      
33 A 61 60 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 22818.9 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 22442.4 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 PBEPBEultrafine/6-31G*
ABC
0.18108 0.06658 0.04871

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.407 1.219 0.018
N2 1.458 1.114 0.015
N3 -1.416 1.184 -0.001
C4 2.042 -0.100 -0.007
O5 1.454 -1.195 -0.028
C6 -2.048 0.047 -0.023
N7 -1.420 -1.149 0.064
H8 -0.381 -1.198 0.037
H9 2.046 1.944 0.036
H10 3.158 -0.058 -0.006
H11 -2.081 1.963 -0.047
H12 -3.150 -0.033 -0.091
H13 -1.948 -2.000 -0.091

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.05621.82282.10072.63192.72062.99032.54181.79233.03322.59733.77193.9898
N21.05622.87421.34752.30983.66503.66082.95411.01752.06533.63944.74934.6163
N31.82282.87423.68823.72801.30152.33362.59753.54384.73941.02532.12063.2298
C42.10071.34753.68821.24324.09283.61752.66022.04481.11724.61015.19274.4202
O52.63192.30983.72801.24323.71622.87571.83613.19552.04904.74044.74873.4968
C62.72063.66501.30154.09283.71621.35352.08184.51255.20751.91641.10652.0507
N72.99033.66082.33363.61752.87571.35351.04044.64484.70663.18292.06421.0142
H82.54182.95412.59752.66021.83612.08181.04043.97003.71843.59013.00671.7655
H91.79231.01753.54382.04483.19554.51254.64483.97002.29094.12715.56035.6147
H103.03322.06534.73941.11722.04905.20754.70663.71842.29095.61536.30855.4640
H112.59733.63941.02534.61014.74041.91643.18293.59014.12715.61532.26473.9655
H123.77194.74932.12065.19274.74871.10652.06423.00675.56036.30852.26472.3049
H133.98984.61633.22984.42023.49682.05071.01421.76555.61475.46403.96552.3049

picture of formamide aminomethanimine dimer state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.398      
2 N -0.701      
3 N -0.626      
4 C 0.305      
5 O -0.452      
6 C 0.221      
7 N -0.710      
8 H 0.386      
9 H 0.321      
10 H 0.109      
11 H 0.291      
12 H 0.129      
13 H 0.329      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.407 1.482 -0.323 2.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


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