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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-317.790852
Energy at 298.15K-317.801023
Counterpoise corrected energy-317.772187
CP Energy at 298.15K-317.782202
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy231.773680
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/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' 3528 3496 46.07      
2 A' 3459 3427 14.33      
3 A' 3336 3306 1.86      
4 A' 2972 2945 23.01      
5 A' 2883 2857 0.94      
6 A' 2801 2775 1968.95      
7 A' 2280 2259 1553.86      
8 A' 1773 1757 68.74      
9 A' 1728 1712 290.05      
10 A' 1664 1649 134.48      
11 A' 1571 1557 18.80      
12 A' 1389 1376 43.31      
13 A' 1374 1362 8.79      
14 A' 1352 1340 42.18      
15 A' 1322 1310 30.93      
16 A' 1144 1134 55.78      
17 A' 1126 1116 8.76      
18 A' 1111 1101 22.18      
19 A' 687 680 5.79      
20 A' 601 596 3.81      
21 A' 344 341 131.86      
22 A' 253 250 0.00      
23 A' 196 195 0.99      
24 A" 1201 1190 217.34      
25 A" 1102 1092 50.11      
26 A" 1016 1006 8.08      
27 A" 985 976 58.08      
28 A" 726 719 134.10      
29 A" 605 599 91.87      
30 A" 457 453 44.02      
31 A" 255 253 1.00      
32 A" 180 179 78.23      
33 A" 82 82 10.57      

Unscaled Zero Point Vibrational Energy (zpe) 22751.0 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 22544.0 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/3-21G
ABC
0.17831 0.07306 0.05183

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.001 -1.251 0.000
N2 -1.092 -1.405 0.000
N3 1.562 -0.857 0.000
C4 -1.936 -0.357 0.000
O5 -1.609 0.873 0.000
C6 1.932 0.403 0.000
N7 1.050 1.428 0.000
H8 0.000 1.243 0.000
H9 -1.486 -2.352 0.000
H10 -3.013 -0.639 0.000
H11 2.362 -1.515 0.000
H12 2.993 0.713 0.000
H13 1.396 2.388 0.000

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.10361.61042.13252.66472.54312.87682.49351.84983.07512.37573.57863.8966
N21.10362.71031.34542.33603.52403.55182.86451.02492.06833.45544.60124.5361
N31.61042.71033.53353.61271.31392.34192.61753.39474.58041.03502.12393.2492
C42.13251.34543.53351.27263.94213.47872.51142.04441.11334.45055.04314.3166
O52.66472.33603.61271.27263.57252.71661.65133.22672.06254.63344.60453.3652
C62.54313.52401.31393.94213.57251.35212.10684.39025.05381.96571.10452.0555
N72.87683.55182.34193.47872.71661.35211.06624.55144.55823.22182.06991.0201
H82.49352.86452.61752.51141.65132.10681.06623.88943.55203.63073.03911.8052
H91.84981.02493.39472.04443.22674.39024.55143.88942.29503.93735.42655.5465
H103.07512.06834.58041.11332.06255.05384.55823.55202.29505.44556.15565.3473
H112.37573.45541.03504.45054.63341.96573.22183.63073.93735.44552.31534.0202
H123.57864.60122.12395.04314.60451.10452.06993.03915.42656.15562.31532.3140
H133.89664.53613.24924.31663.36522.05551.02011.80525.54655.34734.02022.3140

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 120.778 H1 N2 H9 120.647
H1 N3 C6 120.496 H1 N3 H11 126.420
N2 H1 N3 173.918 N2 C4 O5 126.303
N2 C4 H10 114.209 N3 C6 N7 122.907
N3 C6 H12 122.630 C4 N2 H9 118.575
C4 O5 H8 117.814 O5 C4 H10 119.488
O5 H8 N7 177.046 C6 N3 H11 113.084
C6 N7 H8 120.739 C6 N7 H13 119.455
N7 C6 H12 114.463 H8 N7 H13 119.806
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.360      
2 N -0.735      
3 N -0.629      
4 C 0.357      
5 O -0.473      
6 C 0.290      
7 N -0.734      
8 H 0.342      
9 H 0.295      
10 H 0.166      
11 H 0.265      
12 H 0.190      
13 H 0.305      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.120 -1.192 0.000 2.432
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.137 6.732 0.000
y 6.732 -28.293 0.000
z 0.000 0.000 -38.656
Traceless
 xyz
x 5.337 6.732 0.000
y 6.732 5.103 0.000
z 0.000 0.000 -10.441
Polar
3z2-r2-20.881
x2-y20.156
xy6.732
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.337 0.536 0.000
y 0.536 8.913 0.000
z 0.000 0.000 1.937


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