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

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-319.918132
Energy at 298.15K-319.927479
HF Energy-319.918132
Nuclear repulsion energy229.371849
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*
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 3681 3531 67.60      
2 A 3638 3490 44.89      
3 A 3503 3361 0.90      
4 A 3302 3168 842.90      
5 A 3084 2959 156.25      
6 A 3071 2947 723.68      
7 A 2984 2863 282.48      
8 A 1801 1728 518.28      
9 A 1762 1690 110.12      
10 A 1693 1624 3.11      
11 A 1671 1603 3.52      
12 A 1449 1390 31.85      
13 A 1437 1379 14.56      
14 A 1387 1330 28.07      
15 A 1364 1309 85.38      
16 A 1169 1121 70.52      
17 A 1131 1085 1.79      
18 A 1114 1069 4.27      
19 A 1068 1025 20.00      
20 A 1048 1006 0.59      
21 A 916 879 89.84      
22 A 826 792 23.10      
23 A 755 725 160.47      
24 A 647 621 11.12      
25 A 585 561 6.34      
26 A 500 480 109.36      
27 A 356 342 87.07      
28 A 253 243 81.49      
29 A 197 189 2.11      
30 A 168 161 0.93      
31 A 151 145 8.80      
32 A 112 107 116.68      
33 A 62 59 2.78      

Unscaled Zero Point Vibrational Energy (zpe) 23440.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 22489.0 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*
ABC
0.18266 0.06603 0.04853

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.550 1.224 0.030
N2 1.572 1.102 0.036
N3 -1.479 1.189 -0.019
C4 2.119 -0.131 -0.009
O5 1.502 -1.193 -0.058
C6 -2.123 0.072 -0.030
N7 -1.527 -1.140 0.103
H8 -0.508 -1.209 0.063
H9 2.163 1.920 0.079
H10 3.227 -0.112 0.002
H11 -2.117 1.979 -0.089
H12 -3.216 0.004 -0.116
H13 -2.054 -1.973 -0.108

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.02902.02982.07312.59842.91143.14702.65291.75762.99112.77523.96134.1256
N21.02903.05241.34972.29753.83643.82493.10901.01042.05213.79444.91444.7565
N32.02983.05243.83233.81551.28972.33272.58873.71584.88181.01822.10543.2154
C42.07311.34973.83231.22884.24703.78402.84012.05371.10794.73365.33744.5626
O52.59842.29753.81551.22883.83943.03302.01323.18522.03664.81254.86713.6409
C62.91143.83641.28974.24703.83941.35742.06404.66905.35301.90771.09812.0479
N73.14703.82492.33273.78403.03301.35741.02194.79344.86413.18012.05151.0086
H82.65293.10902.58872.84012.01322.06401.02194.11403.89273.57472.97261.7334
H91.75761.01043.71582.05373.18524.66904.79344.11402.29444.28455.71355.7426
H102.99112.05214.88181.10792.03665.35304.86413.89272.29445.73926.44445.6004
H112.77523.79441.01824.73364.81251.90773.18013.57474.28455.73922.26043.9526
H123.96134.91442.10545.33744.86711.09812.05152.97265.71356.44442.26042.2926
H134.12564.75653.21544.56263.64092.04791.00861.73345.74265.60043.95262.2926

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 120.685 H1 N2 H9 119.044
H1 N3 C6 120.957 H1 N3 H11 128.001
N2 H1 N3 172.167 N2 C4 O5 125.940
N2 C4 H10 112.867 N3 C6 N7 123.560
N3 C6 H12 123.508 C4 N2 H9 120.271
C4 O5 H8 120.392 O5 C4 H10 121.193
O5 H8 N7 175.474 C6 N3 H11 110.957
C6 N7 H8 119.666 C6 N7 H13 119.149
N7 C6 H12 112.906 H8 N7 H13 117.228
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.429      
2 N -0.756      
3 N -0.675      
4 C 0.355      
5 O -0.500      
6 C 0.256      
7 N -0.761      
8 H 0.411      
9 H 0.335      
10 H 0.124      
11 H 0.299      
12 H 0.143      
13 H 0.340      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.322 1.539 -0.339 2.057
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 8.652 0.502 0.140
y 0.502 9.127 0.002
z 0.140 0.002 2.948


<r2> (average value of r2) Å2
<r2> 216.810
(<r2>)1/2 14.724