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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-319.952386
Energy at 298.15K-319.961577
HF Energy-319.952386
Nuclear repulsion energy230.267656
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 TPSSh/6-31G(2df,p)
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 3705 3575 78.11      
2 A 3654 3526 48.76      
3 A 3526 3403 2.03      
4 A 3278 3163 911.33      
5 A 3057 2950 20.35      
6 A 3022 2916 875.19      
7 A 2949 2846 302.32      
8 A 1785 1723 501.32      
9 A 1738 1678 107.21      
10 A 1671 1613 1.93      
11 A 1648 1590 0.46      
12 A 1429 1379 40.80      
13 A 1428 1378 0.83      
14 A 1371 1323 30.63      
15 A 1352 1304 84.88      
16 A 1157 1117 67.54      
17 A 1116 1077 0.96      
18 A 1101 1062 8.34      
19 A 1072 1035 10.79      
20 A 1053 1016 0.19      
21 A 907 876 42.64      
22 A 812 784 2.61      
23 A 751 725 125.26      
24 A 649 626 9.92      
25 A 584 563 6.02      
26 A 503 485 84.97      
27 A 328 316 46.26      
28 A 240 231 91.78      
29 A 183 176 0.54      
30 A 166 160 0.36      
31 A 158 153 13.65      
32 A 78 75 72.38      
33 A 32 31 31.41      

Unscaled Zero Point Vibrational Energy (zpe) 23250.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 22436.6 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 TPSSh/6-31G(2df,p)
ABC
0.18384 0.06680 0.04900

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.550 1.219 0.029
N2 1.569 1.098 0.036
N3 -1.479 1.185 -0.019
C4 2.117 -0.131 -0.009
O5 1.502 -1.187 -0.058
C6 -2.121 0.071 -0.029
N7 -1.523 -1.137 0.101
H8 -0.507 -1.206 0.061
H9 2.158 1.913 0.079
H10 3.224 -0.107 0.003
H11 -2.115 1.974 -0.089
H12 -3.213 0.002 -0.114
H13 -2.051 -1.967 -0.105

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.02552.03002.06782.58862.90783.13902.64521.75252.98502.77303.95764.1150
N21.02553.04941.34652.28853.83063.81593.10161.00662.04863.78864.90814.7456
N32.03003.04943.82903.81021.28592.32602.58243.71084.87781.01562.10153.2052
C42.06781.34653.82901.22334.24273.77802.83662.04591.10794.72715.33254.5556
O52.58862.28853.81021.22333.83563.02982.01303.17172.03364.80404.86323.6382
C62.90783.83061.28594.24273.83561.35462.06014.66035.34851.90341.09752.0410
N73.13903.81592.32603.77803.02981.35461.01904.78104.85883.17252.04941.0051
H82.64523.10162.58242.83662.01302.06011.01904.10293.89033.56642.96841.7293
H91.75251.00663.71082.04593.17174.66034.78104.10292.28564.27765.70465.7280
H102.98502.04864.87781.10792.03365.34854.85883.89032.28565.73176.43945.5947
H112.77303.78861.01564.72714.80401.90343.17253.56644.27765.73172.25683.9414
H123.95764.90812.10155.33254.86321.09752.04942.96845.70466.43942.25682.2864
H134.11504.74563.20524.55563.63822.04101.00511.72935.72805.59473.94142.2864

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 120.724 H1 N2 H9 119.176
H1 N3 C6 120.894 H1 N3 H11 127.973
N2 H1 N3 172.283 N2 C4 O5 125.817
N2 C4 H10 112.800 N3 C6 N7 123.481
N3 C6 H12 123.512 C4 N2 H9 120.099
C4 O5 H8 120.479 O5 C4 H10 121.383
O5 H8 N7 175.457 C6 N3 H11 111.044
C6 N7 H8 119.767 C6 N7 H13 119.010
N7 C6 H12 112.981 H8 N7 H13 117.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability