return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYPultrafine_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 B3LYPultrafine_cp/6-31G*
 hartrees
Energy at 0K-319.909715
Energy at 298.15K-319.900597
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 B3LYPultrafine/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 3694 3539 74.25      
2 A 3657 3503 51.80      
3 A 3516 3368 1.32      
4 A 3361 3220 760.51      
5 A 3153 3020 723.20      
6 A 3071 2942 128.57      
7 A 2978 2853 216.67      
8 A 1809 1733 540.84      
9 A 1760 1686 111.91      
10 A 1691 1620 7.14      
11 A 1672 1602 3.53      
12 A 1453 1392 35.10      
13 A 1442 1381 12.68      
14 A 1385 1326 29.08      
15 A 1362 1305 89.71      
16 A 1171 1121 74.08      
17 A 1131 1083 1.89      
18 A 1117 1070 3.10      
19 A 1068 1024 9.37      
20 A 1054 1010 0.56      
21 A 905 867 100.86      
22 A 814 780 9.73      
23 A 752 720 163.98      
24 A 651 623 11.31      
25 A 593 568 6.53      
26 A 493 472 110.19      
27 A 347 333 88.79      
28 A 240 230 77.61      
29 A 187 179 1.43      
30 A 165 158 0.74      
31 A 151 145 9.65      
32 A 106 102 117.94      
33 A 60 57 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 23502.8 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 22515.7 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 B3LYPultrafine/6-31G*
ABC
0.18292 0.06508 0.04803

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.461 1.216 0.019
N2 1.494 1.105 0.018
N3 -1.431 1.182 -0.005
C4 2.060 -0.113 -0.007
O5 1.460 -1.189 -0.031
C6 -2.065 0.058 -0.021
N7 -1.451 -1.142 0.065
H8 -0.426 -1.201 0.037
H9 2.083 1.925 0.040
H10 3.167 -0.086 -0.006
H11 -2.084 1.961 -0.051
H12 -3.158 -0.012 -0.086
H13 -1.983 -1.983 -0.087

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.03871.89242.07922.60452.77943.03612.57541.76943.00262.65293.82374.0275
N21.03872.92571.34292.29403.70993.70413.00081.00962.05343.67964.78554.6512
N31.89242.92573.72303.73861.29062.32472.58683.59114.76891.01792.10163.2139
C42.07921.34293.72301.23174.12853.65912.71422.03831.10714.63415.21984.4551
O52.60452.29403.73861.23173.73932.91311.88763.17562.03174.74164.76643.5340
C62.77943.70991.29064.12853.73931.35052.06804.54865.23371.90351.09742.0440
N73.03613.70412.32473.65912.91311.35051.02704.67844.73723.16892.05281.0071
H82.57543.00082.58682.71421.88762.06801.02704.00823.76213.57202.98261.7465
H91.76941.00963.59112.03833.17564.54864.67844.00822.28494.16755.58865.6404
H103.00262.05344.76891.10712.03175.23374.73723.76212.28495.63576.32595.4884
H112.65293.67961.01794.63414.74161.90353.16893.57204.16755.63572.24703.9459
H123.82374.78552.10165.21984.76641.09742.05282.98265.58866.32592.24702.2951
H134.02754.65123.21394.45513.53402.04401.00711.74655.64045.48843.94592.2951

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 B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.410      
2 N -0.729      
3 N -0.640      
4 C 0.359      
5 O -0.486      
6 C 0.259      
7 N -0.735      
8 H 0.396      
9 H 0.323      
10 H 0.105      
11 H 0.287      
12 H 0.122      
13 H 0.328      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.294 1.547 -0.323 2.042
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> 218.872
(<r2>)1/2 14.794