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

using model chemistry: PBEPBEultrafine_cp/6-311+G(3df,2pd)

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/6-311+G(3df,2pd)
 hartrees
Energy at 0K-319.680809
Energy at 298.15K-319.671793
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/6-311+G(3df,2pd)
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' 3626 3590 77.97      
2 A' 3573 3538 43.32      
3 A' 3470 3435 7.28      
4 A' 3161 3129 985.93      
5 A' 2977 2947 56.43      
6 A' 2891 2862 631.52      
7 A' 2866 2838 622.65      
8 A' 1715 1698 577.10      
9 A' 1672 1655 86.19      
10 A' 1606 1590 0.44      
11 A' 1585 1569 0.08      
12 A' 1383 1369 22.24      
13 A' 1371 1358 15.76      
14 A' 1325 1312 30.94      
15 A' 1313 1300 87.77      
16 A' 1126 1115 61.21      
17 A' 1088 1077 1.29      
18 A' 1072 1062 10.38      
19 A' 635 628 8.28      
20 A' 574 568 6.85      
21 A' 236 233 96.83      
22 A' 177 175 1.68      
23 A' 160 158 0.33      
24 A" 1027 1017 21.80      
25 A" 1007 997 0.00      
26 A" 900 891 27.78      
27 A" 805 797 6.09      
28 A" 730 723 117.47      
29 A" 511 506 78.83      
30 A" 365 362 55.82      
31 A" 159 157 5.13      
32 A" 111 110 81.60      
33 A" 58 58 7.21      

Unscaled Zero Point Vibrational Energy (zpe) 22636.9 cm-1
Scaled (by 0.99) Zero Point Vibrational Energy (zpe) 22410.5 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/6-311+G(3df,2pd)
ABC
0.18291 0.06663 0.04884

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-311+G(3df,2pd)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.026 -1.283 0.000
N2 -1.054 -1.505 0.000
N3 1.705 -0.689 0.000
C4 -1.977 -0.529 0.000
O5 -1.738 0.685 0.000
C6 1.963 0.581 0.000
N7 1.004 1.528 0.000
H8 0.000 1.271 0.000
H9 -1.364 -2.469 0.000
H10 -3.026 -0.900 0.000
H11 2.568 -1.235 0.000
H12 2.989 0.983 0.000
H13 1.265 2.503 0.000

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.05201.83022.09192.60852.72632.99352.55381.78803.02462.59433.77194.0001
N21.05202.87751.34302.29353.66823.66462.96861.01322.06243.63234.74754.6302
N31.83022.87753.68573.70741.29632.32532.59783.54794.73611.02062.10833.2225
C42.09191.34303.68571.23654.09353.62112.67312.03521.11304.59945.19134.4383
O52.60852.29353.70741.23653.70282.86851.83433.17612.04214.71454.73703.5105
C62.72633.66821.29634.09353.70281.34792.08074.51385.20461.91391.10202.0449
N72.99353.66462.32533.62112.86851.34791.03604.64554.70453.17462.05921.0096
H82.55382.96862.59782.67311.83432.08071.03603.98073.72413.58753.00311.7659
H91.78801.01323.54792.03523.17614.51384.64553.98072.28614.12115.55595.6243
H103.02462.06244.73611.11302.04215.20464.70453.72412.28615.60416.30345.4765
H112.59433.63231.02064.59944.71451.91393.17463.58754.12115.60412.25723.9584
H123.77194.74752.10835.19134.73701.10202.05923.00315.55596.30342.25722.2990
H134.00014.63023.22254.43833.51052.04491.00961.76595.62435.47653.95842.2990

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/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.299      
2 N -0.554      
3 N -0.861      
4 C 0.787      
5 O -0.664      
6 C 0.943      
7 N -0.631      
8 H 0.292      
9 H 0.094      
10 H 0.028      
11 H 0.114      
12 H 0.043      
13 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.683 -0.983 0.000 1.949
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