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

using model chemistry: PBEPBE_cp/6-31G*

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/6-31G*
 hartrees
Energy at 0K-319.536662
Energy at 298.15K-319.527677
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 PBEPBE/6-31G*
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 3615 3563 64.06      
2 A 3564 3513 36.17      
3 A 3442 3392 1.56      
4 A 3187 3141 973.26      
5 A 2992 2949 58.17      
6 A 2920 2879 760.95      
7 A 2884 2843 512.87      
8 A 1761 1736 485.12      
9 A 1717 1692 90.12      
10 A 1642 1619 2.91      
11 A 1622 1599 2.18      
12 A 1407 1387 21.78      
13 A 1392 1373 11.75      
14 A 1349 1330 24.20      
15 A 1334 1315 69.64      
16 A 1141 1125 58.82      
17 A 1106 1090 1.86      
18 A 1087 1072 7.73      
19 A 1034 1019 30.59      
20 A 1005 990 0.38      
21 A 906 893 59.10      
22 A 820 808 27.27      
23 A 729 718 148.54      
24 A 643 634 9.11      
25 A 581 572 5.89      
26 A 499 492 102.57      
27 A 347 343 72.58      
28 A 257 253 88.22      
29 A 198 195 1.17      
30 A 169 167 0.51      
31 A 147 145 10.41      
32 A 106 104 106.89      
33 A 62 61 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 22831.1 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 22504.6 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 PBEPBE/6-31G*
ABC
0.18109 0.06655 0.04869

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.407 1.219 0.018
N2 1.458 1.114 0.014
N3 -1.416 1.184 -0.001
C4 2.042 -0.100 -0.007
O5 1.454 -1.195 -0.028
C6 -2.049 0.047 -0.022
N7 -1.420 -1.149 0.064
H8 -0.381 -1.198 0.037
H9 2.046 1.944 0.037
H10 3.159 -0.058 -0.005
H11 -2.081 1.963 -0.047
H12 -3.150 -0.033 -0.090
H13 -1.948 -2.000 -0.092

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.05601.82382.10052.63162.72142.99072.54171.79223.03302.59843.77283.9901
N21.05602.87521.34752.30983.66583.66132.95421.01752.06523.64054.75024.6166
N31.82382.87523.68913.72861.30152.33362.59733.54474.74031.02532.12063.2297
C42.10051.34753.68911.24324.09353.61812.66062.04491.11724.61105.19344.4205
O52.63162.30983.72861.24323.71682.87621.83663.19552.04904.74104.74933.4971
C62.72143.66581.30154.09353.71681.35352.08174.51325.20831.91641.10652.0507
N72.99073.66132.33363.61812.87621.35351.04044.64534.70713.18292.06421.0142
H82.54172.95422.59732.66061.83662.08171.04043.97023.71883.58993.00661.7654
H91.79221.01753.54472.04493.19554.51324.64533.97022.29104.12825.56115.6150
H103.03302.06524.74031.11722.04905.20834.70713.71882.29105.61636.30935.4644
H112.59843.64051.02534.61104.74101.91643.18293.58994.12825.61632.26473.9655
H123.77284.75022.12065.19344.74931.10652.06423.00665.56116.30932.26472.3049
H133.99014.61663.22974.42053.49712.05071.01421.76545.61505.46443.96552.3049

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 PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.398      
2 N -0.701      
3 N -0.626      
4 C 0.305      
5 O -0.452      
6 C 0.221      
7 N -0.710      
8 H 0.386      
9 H 0.321      
10 H 0.109      
11 H 0.291      
12 H 0.129      
13 H 0.329      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.406 1.482 -0.322 2.067
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