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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-319.582485
Energy at 298.15K-319.591819
HF Energy-319.273861
Nuclear repulsion energy228.592533
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 B2PLYP/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 3719 3530 82.81      
2 A 3691 3504 65.19      
3 A 3540 3361 1.82      
4 A 3415 3242 701.69      
5 A 3231 3067 672.39      
6 A 3113 2955 100.38      
7 A 3027 2873 189.63      
8 A 1812 1720 508.59      
9 A 1773 1683 103.87      
10 A 1701 1615 6.18      
11 A 1684 1599 5.55      
12 A 1461 1386 34.44      
13 A 1450 1376 14.09      
14 A 1398 1327 28.18      
15 A 1372 1302 89.26      
16 A 1179 1119 73.44      
17 A 1140 1082 3.30      
18 A 1122 1065 2.37      
19 A 1075 1021 10.56      
20 A 1060 1006 0.54      
21 A 900 855 109.96      
22 A 816 774 9.24      
23 A 762 724 177.65      
24 A 648 615 11.46      
25 A 592 562 6.64      
26 A 486 461 115.01      
27 A 371 353 115.90      
28 A 238 226 72.08      
29 A 186 176 1.88      
30 A 165 157 2.28      
31 A 152 144 4.75      
32 A 120 114 107.86      
33 A 61 58 6.43      

Unscaled Zero Point Vibrational Energy (zpe) 23729.3 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 22523.8 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 B2PLYP/6-31G*
ABC
0.18286 0.06453 0.04775

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.474 1.214 0.027
N2 1.503 1.104 0.025
N3 -1.437 1.182 -0.007
C4 2.068 -0.114 -0.009
O5 1.464 -1.190 -0.044
C6 -2.073 0.058 -0.029
N7 -1.459 -1.140 0.090
H8 -0.437 -1.192 0.052
H9 2.090 1.923 0.058
H10 3.172 -0.088 -0.006
H11 -2.091 1.959 -0.072
H12 -3.162 -0.012 -0.117
H13 -1.979 -1.977 -0.117

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.03441.91132.07492.60052.79803.04732.57311.76502.99562.67253.84054.0276
N21.03442.94051.34332.29523.72633.71713.00621.00822.05153.69484.79904.6516
N31.91132.94053.73673.74731.29202.32482.57703.60444.78011.01722.10183.2076
C42.07491.34333.73671.23424.14523.67532.72822.03791.10364.64695.23274.4568
O52.60052.29523.74731.23423.75132.92711.90383.17652.03194.74864.77473.5329
C62.79803.72631.29204.14523.75131.35202.06114.56295.24701.90101.09492.0395
N73.04733.71712.32483.67532.92711.35201.02434.68884.74993.16682.05321.0064
H82.57313.00622.57702.72821.90382.06111.02434.01143.77413.56062.97471.7384
H91.76501.00823.60442.03793.17654.56294.68884.01142.28454.18305.60065.6391
H102.99562.05154.78011.10362.03195.24704.74993.77412.28455.64676.33545.4869
H112.67253.69481.01724.64694.74861.90103.16683.56064.18305.64672.24403.9377
H123.84054.79902.10185.23274.77471.09492.05322.97475.60066.33542.24402.2938
H134.02764.65163.20764.45683.53292.03951.00641.73845.63915.48693.93772.2938

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 120.986 H1 N2 H9 119.553
H1 N3 C6 120.493 H1 N3 H11 129.139
N2 H1 N3 172.873 N2 C4 O5 125.811
N2 C4 H10 113.580 N3 C6 N7 123.090
N3 C6 H12 123.207 C4 N2 H9 119.458
C4 O5 H8 119.240 O5 C4 H10 120.609
O5 H8 N7 176.916 C6 N3 H11 110.246
C6 N7 H8 119.662 C6 N7 H13 118.991
N7 C6 H12 113.680 H8 N7 H13 117.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.454      
2 N -0.817      
3 N -0.703      
4 C 0.426      
5 O -0.550      
6 C 0.299      
7 N -0.815      
8 H 0.433      
9 H 0.347      
10 H 0.128      
11 H 0.305      
12 H 0.145      
13 H 0.348      


Electric dipole moments


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 8.337 0.518 0.174
y 0.518 9.082 -0.001
z 0.174 -0.001 2.919


<r2> (average value of r2) Å2
<r2> 219.863
(<r2>)1/2 14.828