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

using model chemistry: MP2_cp/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2_cp/3-21G
 hartrees
Energy at 0K-316.864729
Energy at 298.15K-316.856269
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 MP2/3-21G
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' 3663 3497 85.54      
2 A' 3621 3456 53.83      
3 A' 3407 3252 2.49      
4 A' 3300 3150 843.66      
5 A' 3081 2941 65.85      
6 A' 3019 2882 18.00      
7 A' 2990 2854 1111.93      
8 A' 1835 1751 33.85      
9 A' 1801 1719 206.80      
10 A' 1709 1631 172.33      
11 A' 1662 1586 5.69      
12 A' 1475 1408 32.45      
13 A' 1426 1361 56.64      
14 A' 1412 1348 14.23      
15 A' 1361 1299 72.81      
16 A' 1184 1130 97.20      
17 A' 1138 1087 14.29      
18 A' 1132 1080 3.61      
19 A' 684 653 8.50      
20 A' 614 586 5.91      
21 A' 283 270 85.71      
22 A' 220 210 0.19      
23 A' 181 173 1.25      
24 A" 1152 1099 168.85      
25 A" 1099 1049 2.50      
26 A" 1047 999 96.24      
27 A" 964 920 142.71      
28 A" 795 759 103.82      
29 A" 576 549 117.52      
30 A" 419 400 78.68      
31 A" 247 235 0.74      
32 A" 168 160 91.67      
33 A" 78 74 9.10      

Unscaled Zero Point Vibrational Energy (zpe) 23869.7 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 22783.6 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 MP2/3-21G
ABC
0.17812 0.06734 0.04887

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.026 -1.293 0.000
N2 -1.050 -1.517 0.000
N3 1.692 -0.708 0.000
C4 -1.970 -0.524 0.000
O5 -1.729 0.719 0.000
C6 1.963 0.573 0.000
N7 0.998 1.532 0.000
H8 0.000 1.273 0.000
H9 -1.358 -2.481 0.000
H10 -3.009 -0.886 0.000
H11 2.543 -1.286 0.000
H12 2.983 0.971 0.000
H13 1.257 2.508 0.000

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.04771.81542.09002.63612.72803.00542.56651.78473.01092.56943.76654.0122
N21.04772.85891.35302.33663.66703.67272.98071.01262.05853.60044.73894.6389
N31.81542.85893.66653.70701.30972.34552.60553.52834.70501.02842.11833.2457
C42.09001.35303.66651.26644.08313.61042.66652.05021.10104.57655.17404.4278
O52.63612.33663.70701.26643.69522.84551.81573.22172.05334.71914.71933.4807
C62.72803.66701.30974.08313.69521.36082.08424.51245.18241.94731.09512.0600
N73.00543.67272.34553.61042.84551.36081.03084.65384.68043.21392.06351.0098
H82.56652.98072.60552.66651.81572.08421.03083.99243.70393.60762.99871.7620
H91.78471.01263.52832.05023.22174.51244.65383.99242.29594.08035.54705.6331
H103.01092.05854.70501.10102.05335.18244.68043.70392.29595.56696.27415.4517
H112.56943.60041.02844.57654.71911.94733.21393.60764.08035.56692.29944.0061
H123.76654.73892.11835.17404.71931.09512.06352.99875.54706.27412.29942.3119
H134.01224.63893.24574.42783.48072.06001.00981.76205.63315.45174.00612.3119

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 MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.452      
2 N -0.956      
3 N -0.771      
4 C 0.606      
5 O -0.650      
6 C 0.464      
7 N -0.937      
8 H 0.423      
9 H 0.340      
10 H 0.197      
11 H 0.279      
12 H 0.214      
13 H 0.339      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.979 -1.413 0.000 2.432
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> 215.226
(<r2>)1/2 14.671