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

using model chemistry: PBEPBEultrafine_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 PBEPBEultrafine_cp_opt/3-21G
 hartrees
Energy at 0K-317.772187
Energy at 298.15K-317.782202
Nuclear repulsion energy71.069740
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_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' 3537 3505 44.74      
2 A' 3468 3437 13.26      
3 A' 3329 3298 1.05      
4 A' 2955 2928 4.57      
5 A' 2906 2879 1027.13      
6 A' 2840 2814 642.97      
7 A' 2427 2405 1451.48      
8 A' 1749 1733 128.30      
9 A' 1711 1695 293.03      
10 A' 1663 1647 22.61      
11 A' 1598 1584 7.14      
12 A' 1392 1380 33.97      
13 A' 1365 1352 26.19      
14 A' 1349 1337 29.18      
15 A' 1314 1303 41.15      
16 A' 1138 1128 65.51      
17 A' 1118 1108 5.25      
18 A' 1101 1091 18.42      
19 A' 674 667 6.85      
20 A' 593 588 5.51      
21 A' 315 312 110.05      
22 A' 228 226 1.33      
23 A' 184 182 1.37      
24 A" 1159 1149 225.48      
25 A" 1056 1046 26.75      
26 A" 1017 1008 24.77      
27 A" 955 947 100.42      
28 A" 739 732 129.66      
29 A" 592 587 100.80      
30 A" 446 442 58.11      
31 A" 244 242 2.03      
32 A" 182 180 66.49      
33 A" 74 73 12.76      

Unscaled Zero Point Vibrational Energy (zpe) 22708.4 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 22501.8 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_cp_opt/3-21G
ABC
0.17851 0.07047 0.05053

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.001 -1.258 0.000
N2 -1.077 -1.443 0.000
N3 1.612 -0.804 0.000
C4 -1.958 -0.417 0.000
O5 -1.663 0.814 0.000
C6 1.952 0.463 0.000
N7 1.038 1.468 0.000
H8 0.000 1.256 0.000
H9 -1.436 -2.402 0.000
H10 -3.021 -0.754 0.000
H11 2.435 -1.433 0.000
H12 2.999 0.818 0.000
H13 1.354 2.437 0.000

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.09251.67502.13002.65612.60212.91682.51391.83573.06172.44153.64773.9353
N21.09252.76391.35232.33183.57863.59842.90631.02412.06183.51194.66134.5790
N31.67502.76393.59013.65241.31142.34272.61553.44134.63261.03582.13423.2510
C42.13001.35233.59011.26534.00673.53912.57492.05341.11554.50825.10784.3715
O52.65612.33183.65241.26533.63142.77921.72073.22452.07454.67314.66183.4259
C62.60213.57861.31144.00673.63141.35792.10664.43655.11901.95621.10602.0627
N72.91683.59842.34273.53912.77921.35791.05964.59344.62743.21912.06541.0195
H82.51392.90632.61552.57491.72072.10661.05963.93033.62863.62743.03071.7967
H91.83571.02413.44132.05343.22454.43654.59343.93032.28653.98995.48065.5861
H103.06172.06184.63261.11552.07455.11904.62743.62862.28655.49736.22155.4151
H112.44153.51191.03584.50824.67311.95623.21913.62743.98995.49732.32054.0179
H123.64774.66132.13425.10784.66181.10602.06543.03075.48066.22152.32052.3079
H133.93534.57903.25104.37153.42592.06271.01951.79675.58615.41514.01792.3079

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 120.841 H1 N2 H9 120.253
H1 N3 C6 120.744 H1 N3 H11 126.881
N2 H1 N3 174.046 N2 C4 O5 125.925
N2 C4 H10 112.979 N3 C6 N7 122.719
N3 C6 H12 123.757 C4 N2 H9 118.906
C4 O5 H8 118.355 O5 C4 H10 121.096
O5 H8 N7 176.625 C6 N3 H11 112.376
C6 N7 H8 120.746 C6 N7 H13 119.694
N7 C6 H12 113.524 H8 N7 H13 119.560
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine_cp_opt/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 N 0.000      
3 N -0.580      
4 C 0.000      
5 O 0.000      
6 C 0.241      
7 N -0.706      
8 H 0.314      
9 H 0.000      
10 H 0.000      
11 H 0.245      
12 H 0.175      
13 H 0.311      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.123 -1.099 0.000 2.390
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.430 6.885 0.000
y 6.885 -27.770 0.000
z 0.000 0.000 -38.660
Traceless
 xyz
x 4.785 6.885 0.000
y 6.885 5.775 0.000
z 0.000 0.000 -10.560
Polar
3z2-r2-21.119
x2-y2-0.660
xy6.885
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.568 -0.469 0.000
y -0.469 5.248 0.000
z 0.000 0.000 1.041


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