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

using model chemistry: HF_cp_opt/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 HF_cp_opt/3-21G
 hartrees
Energy at 0K-316.244397
Energy at 298.15K-316.254452
Nuclear repulsion energy72.567265
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_cp_opt/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' 3873 3507 90.82      
2 A' 3849 3486 72.23      
3 A' 3662 3316 0.69      
4 A' 3580 3242 555.77      
5 A' 3346 3031 674.01      
6 A' 3232 2927 87.57      
7 A' 3189 2888 210.53      
8 A' 1916 1735 381.43      
9 A' 1883 1705 336.94      
10 A' 1842 1668 12.80      
11 A' 1813 1642 2.78      
12 A' 1567 1419 48.92      
13 A' 1553 1406 97.65      
14 A' 1480 1340 41.71      
15 A' 1437 1301 151.38      
16 A' 1248 1130 100.64      
17 A' 1214 1100 6.31      
18 A' 1192 1080 56.45      
19 A' 703 636 18.01      
20 A' 635 575 7.98      
21 A' 234 212 69.17      
22 A' 177 161 1.22      
23 A' 163 148 5.86      
24 A" 1225 1109 4.43      
25 A" 1222 1107 0.14      
26 A" 1109 1004 509.68      
27 A" 946 857 156.31      
28 A" 859 778 126.04      
29 A" 624 565 122.60      
30 A" 492 445 94.03      
31 A" 255 231 1.74      
32 A" 183 166 82.66      
33 A" 72 66 17.92      

Unscaled Zero Point Vibrational Energy (zpe) 25387.2 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 22990.6 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 HF_cp_opt/3-21G
ABC
0.18495 0.06491 0.04805

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 1.311 0.000
N2 -0.982 1.600 0.000
N3 1.751 0.534 0.000
C4 -1.951 0.681 0.000
O5 -1.783 -0.533 0.000
C6 1.934 -0.724 0.000
N7 0.932 -1.625 0.000
H8 -0.032 -1.324 0.000
H9 -1.205 2.570 0.000
H10 -2.949 1.105 0.000
H11 2.603 1.073 0.000
H12 2.915 -1.178 0.000
H13 1.128 -2.600 0.000

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.02351.91572.05002.56522.80793.08122.63521.74242.95652.61363.83334.0708
N21.02352.93341.33492.27793.72893.75053.07390.99562.02853.62334.78574.7001
N31.91572.93343.70473.69171.27172.30962.57503.58914.73471.00802.07023.1955
C42.05001.33493.70471.22554.13133.69232.77512.03061.08454.57045.20914.4997
O52.56522.27793.69171.22553.72232.92721.92163.15602.01014.67074.74273.5708
C62.80793.72891.27174.13133.72231.34752.05554.55035.21461.91771.08092.0416
N73.08123.75052.30963.69232.92721.34751.01054.70854.74563.17372.03310.9941
H82.63523.07392.57502.77511.92162.05551.01054.06653.79573.56192.95111.7249
H91.74240.99563.58912.03063.15604.55034.70854.06652.27804.09145.56965.6721
H102.95652.02854.73471.08452.01015.21464.74563.79572.27805.55216.29305.5092
H112.61363.62331.00804.57044.67071.91773.17373.56194.09145.55212.27223.9581
H123.83334.78572.07025.20914.74271.08092.03312.95115.56966.29302.27222.2842
H134.07084.70013.19554.49973.57082.04160.99411.72495.67215.50923.95812.2842

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 120.166 H1 N2 H9 119.302
H1 N3 C6 122.216 H1 N3 H11 123.742
N2 H1 N3 172.427 N2 C4 O5 125.613
N2 C4 H10 113.545 N3 C6 N7 123.694
N3 C6 H12 123.070 C4 N2 H9 120.531
C4 O5 H8 122.168 O5 C4 H10 120.842
O5 H8 N7 173.067 C6 N3 H11 114.042
C6 N7 H8 120.650 C6 N7 H13 120.609
N7 C6 H12 113.236 H8 N7 H13 118.741
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF_cp_opt/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 N 0.000      
3 N -0.716      
4 C 0.000      
5 O 0.000      
6 C 0.444      
7 N -0.908      
8 H 0.361      
9 H 0.000      
10 H 0.000      
11 H 0.273      
12 H 0.202      
13 H 0.343      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.035 1.255 0.000 2.391
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.682 -2.089 0.000
y -2.089 -13.576 0.000
z 0.000 0.000 -20.316
Traceless
 xyz
x 6.264 -2.089 0.000
y -2.089 1.923 0.000
z 0.000 0.000 -8.187
Polar
3z2-r2-16.375
x2-y22.894
xy-2.089
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.021 0.512 0.000
y 0.512 4.729 0.000
z 0.000 0.000 0.947


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