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

using model chemistry: PBEPBE_cp_opt/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE_cp_opt/6-31+G**
 hartrees
Energy at 0K-319.583265
Energy at 298.15K-319.592475
Nuclear repulsion energy71.507051
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 PBEPBE_cp_opt/6-31+G**
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' 3640 3599 88.16      
2 A' 3583 3542 47.42      
3 A' 3478 3438 6.76      
4 A' 3187 3151 975.77      
5 A' 2993 2959 61.55      
6 A' 2907 2874 90.23      
7 A' 2889 2856 1240.59      
8 A' 1726 1706 619.15      
9 A' 1685 1666 87.36      
10 A' 1613 1595 0.42      
11 A' 1591 1572 1.07      
12 A' 1386 1370 24.51      
13 A' 1373 1357 15.86      
14 A' 1332 1317 33.77      
15 A' 1317 1302 84.20      
16 A' 1128 1115 61.40      
17 A' 1088 1075 1.48      
18 A' 1072 1059 10.07      
19 A' 631 624 7.78      
20 A' 571 565 7.79      
21 A' 228 226 98.76      
22 A' 171 169 1.45      
23 A' 160 158 0.22      
24 A" 1024 1013 30.90      
25 A" 1002 990 0.00      
26 A" 896 886 39.44      
27 A" 794 785 3.79      
28 A" 725 717 157.66      
29 A" 513 507 97.25      
30 A" 356 352 66.26      
31 A" 158 157 4.76      
32 A" 111 109 106.46      
33 A" 57 56 3.81      

Unscaled Zero Point Vibrational Energy (zpe) 22691.1 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 22432.4 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 PBEPBE_cp_opt/6-31+G**
ABC
0.18127 0.06607 0.04842

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE_cp_opt/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.019 -1.285 0.000
N2 -1.049 -1.515 0.000
N3 1.710 -0.685 0.000
C4 -1.984 -0.543 0.000
O5 -1.752 0.681 0.000
C6 1.970 0.592 0.000
N7 1.005 1.540 0.000
H8 0.000 1.277 0.000
H9 -1.349 -2.486 0.000
H10 -3.033 -0.920 0.000
H11 2.577 -1.229 0.000
H12 2.999 0.998 0.000
H13 1.260 2.520 0.000

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.05541.82992.10012.62032.73513.00432.56161.79223.03602.59723.78394.0138
N21.05542.88101.34862.30583.68203.68092.98241.01662.07143.63784.76444.6487
N31.82992.88103.69643.72141.30362.33412.60263.54964.74881.02392.12003.2367
C42.10011.34863.69641.24594.11393.64252.69192.04451.11504.61265.21534.4609
O52.62032.30583.72141.24593.72312.88681.85003.19302.05074.73174.76083.5281
C62.73513.68201.30364.11393.72311.35312.08614.52715.22701.91951.10552.0548
N73.00433.68092.33413.64252.88681.35311.03854.66354.72783.18432.06641.0128
H82.56162.98242.60262.69191.85002.08611.03853.99763.74493.59483.01171.7697
H91.79221.01663.54962.04453.19304.52714.66353.99762.30014.12285.57155.6451
H103.03602.07144.74881.11502.05075.22704.72783.74492.30015.61916.32935.5008
H112.59723.63781.02394.61264.73171.91953.18433.59484.12285.61912.26643.9739
H123.78394.76442.12005.21534.76081.10552.06643.01175.57156.32932.26642.3111
H134.01384.64873.23674.46093.52812.05481.01281.76975.64515.50083.97392.3111

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 121.274 H1 N2 H9 119.757
H1 N3 C6 120.652 H1 N3 H11 128.804
N2 H1 N3 173.481 N2 C4 O5 125.383
N2 C4 H10 114.116 N3 C6 N7 122.926
N3 C6 H12 123.072 C4 N2 H9 118.970
C4 O5 H8 119.523 O5 C4 H10 120.501
O5 H8 N7 175.883 C6 N3 H11 110.544
C6 N7 H8 120.878 C6 N7 H13 119.882
N7 C6 H12 114.002 H8 N7 H13 119.240
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE_cp_opt/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 N 0.000      
3 N -0.527      
4 C 0.000      
5 O 0.000      
6 C -0.017      
7 N -0.462      
8 H 0.320      
9 H 0.000      
10 H 0.000      
11 H 0.256      
12 H 0.128      
13 H 0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.899 -1.059 0.000 2.174
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.430 8.387 0.000
y 8.387 -28.304 0.000
z 0.000 0.000 -40.868
Traceless
 xyz
x 4.156 8.387 0.000
y 8.387 7.345 0.000
z 0.000 0.000 -11.501
Polar
3z2-r2-23.002
x2-y2-2.126
xy8.387
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.603 -0.371 0.000
y -0.371 6.511 0.000
z 0.000 0.000 3.228


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