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

using model chemistry: MP3/6-31+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 MP3/6-31+G**
 hartrees
Energy at 0K-319.035451
Energy at 298.15K-319.044769
HF Energy-318.047775
Nuclear repulsion energy228.343551
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 MP3/6-31+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 3824 3559 91.66      
2 A 3819 3553 91.06      
3 A 3643 3390 2.14      
4 A 3575 3326 537.97      
5 A 3432 3193 542.38      
6 A 3175 2954 68.45      
7 A 3097 2882 142.87      
8 A 1875 1745 585.67      
9 A 1816 1689 110.76      
10 A 1736 1616 8.05      
11 A 1721 1602 17.77      
12 A 1495 1391 29.58      
13 A 1486 1383 12.35      
14 A 1413 1315 22.66      
15 A 1390 1294 117.54      
16 A 1195 1112 79.02      
17 A 1157 1076 11.11      
18 A 1143 1064 0.69      
19 A 1102 1025 3.87      
20 A 1090 1014 0.98      
21 A 878 817 130.26      
22 A 818 761 19.38      
23 A 762 709 166.24      
24 A 648 603 13.45      
25 A 594 552 6.57      
26 A 467 434 113.04      
27 A 395 368 154.57      
28 A 216 201 63.82      
29 A 168 157 1.50      
30 A 165 153 5.90      
31 A 147 137 5.01      
32 A 123 114 91.56      
33 A 56 52 9.92      

Unscaled Zero Point Vibrational Energy (zpe) 24309.9 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 22620.3 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 MP3/6-31+G**
ABC
0.18400 0.06327 0.04718

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.565 1.217 0.031
N2 1.576 1.097 0.038
N3 -1.479 1.184 -0.020
C4 2.120 -0.133 -0.009
O5 1.500 -1.186 -0.061
C6 -2.125 0.075 -0.031
N7 -1.529 -1.136 0.106
H8 -0.520 -1.201 0.063
H9 2.167 1.905 0.082
H10 3.220 -0.119 0.002
H11 -2.116 1.966 -0.094
H12 -3.212 0.015 -0.118
H13 -2.054 -1.961 -0.109

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.01762.04512.05882.58022.92343.15082.65011.74392.97232.78733.96664.1201
N21.01763.05651.34562.28693.84013.82513.11041.00172.04583.79554.91114.7483
N32.04513.05653.83183.80721.28392.32402.57143.71784.87661.01192.09283.1979
C42.05881.34563.83181.22334.24973.78572.84862.03991.10074.72835.33474.5573
O52.58022.28693.80721.22333.83833.03412.02433.16532.02504.79794.86323.6377
C62.92343.84011.28394.24973.83831.35642.05184.66725.34881.89271.09212.0379
N73.15083.82512.32403.78573.03411.35641.01164.78614.85783.16382.05131.0007
H82.65013.11042.57142.84862.02432.05181.01164.10663.89413.54982.95891.7201
H91.74391.00173.71782.03993.16534.66724.78614.10662.28314.28755.70485.7264
H102.97232.04584.87661.10072.02505.34884.85783.89412.28315.73056.43475.5873
H112.78733.79551.01194.72834.79791.89273.16383.54984.28755.73052.23793.9273
H123.96664.91112.09285.33474.86321.09212.05132.95895.70486.43472.23792.2899
H134.12014.74833.19794.55733.63772.03791.00071.72015.72645.58733.92732.2899

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 120.560 H1 N2 H9 119.452
H1 N3 C6 121.137 H1 N3 H11 128.261
N2 H1 N3 172.269 N2 C4 O5 125.741
N2 C4 H10 113.122 N3 C6 N7 123.314
N3 C6 H12 123.286 C4 N2 H9 119.988
C4 O5 H8 120.592 O5 C4 H10 121.138
O5 H8 N7 175.812 C6 N3 H11 110.503
C6 N7 H8 119.390 C6 N7 H13 118.889
N7 C6 H12 113.370 H8 N7 H13 117.467
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability