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

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-319.814631
Energy at 298.15K-319.823874
HF Energy-319.814631
Nuclear repulsion energy227.251569
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 BLYP/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 3570 3541 52.12      
2 A 3530 3502 32.72      
3 A 3388 3360 1.56      
4 A 3218 3192 815.92      
5 A 3003 2979 630.53      
6 A 2974 2950 261.47      
7 A 2871 2848 270.70      
8 A 1737 1723 444.68      
9 A 1703 1689 102.52      
10 A 1639 1625 2.49      
11 A 1618 1605 3.69      
12 A 1403 1392 32.86      
13 A 1396 1385 9.58      
14 A 1348 1337 26.25      
15 A 1316 1306 70.15      
16 A 1139 1130 66.78      
17 A 1101 1092 3.05      
18 A 1080 1072 3.75      
19 A 1025 1017 17.53      
20 A 1004 996 0.48      
21 A 879 872 67.27      
22 A 800 793 24.74      
23 A 729 723 148.38      
24 A 635 630 9.45      
25 A 578 574 5.39      
26 A 476 472 98.30      
27 A 366 363 96.88      
28 A 239 237 77.92      
29 A 184 183 1.78      
30 A 169 167 1.87      
31 A 148 147 3.92      
32 A 121 120 92.70      
33 A 66 65 5.06      

Unscaled Zero Point Vibrational Energy (zpe) 22725.9 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 22541.9 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 BLYP/6-31G*
ABC
0.17964 0.06451 0.04752

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.556 1.237 0.032
N2 1.584 1.110 0.038
N3 -1.488 1.199 -0.020
C4 2.130 -0.134 -0.010
O5 1.509 -1.202 -0.060
C6 -2.134 0.074 -0.030
N7 -1.537 -1.148 0.104
H8 -0.512 -1.221 0.065
H9 2.183 1.931 0.082
H10 3.247 -0.116 0.001
H11 -2.129 1.995 -0.094
H12 -3.235 0.005 -0.119
H13 -2.070 -1.985 -0.107

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.03562.04502.08712.61972.93153.17382.68001.76953.01172.79313.98904.1588
N21.03563.07371.35942.31553.86053.85283.13501.01692.06633.81934.94654.7910
N32.04503.07373.85553.84041.29802.35142.61133.74444.91421.02452.11873.2385
C42.08711.35943.85551.23654.26903.80592.85752.06751.11764.76205.36754.5907
O52.61972.31553.84041.23653.86013.05042.02463.20772.05084.84314.89513.6638
C62.93153.86051.29804.26903.86011.36692.07804.70105.38471.92221.10642.0615
N73.17383.85282.35143.80593.05041.36691.02824.82884.89513.20472.06461.0148
H82.68003.13502.61132.85752.02462.07801.02824.14693.91873.60342.99191.7440
H91.76951.01693.74442.06753.20774.70104.82884.14692.30794.31615.75365.7843
H103.01172.06634.91421.11762.05085.38474.89513.91872.30795.77636.48425.6373
H112.79313.81931.02454.76204.84311.92223.20473.60344.31615.77632.27703.9806
H123.98904.94652.11875.36754.89511.10642.06462.99195.75366.48422.27702.3057
H134.15884.79103.23854.59073.66382.06151.01481.74405.78435.63733.98062.3057

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 120.661 H1 N2 H9 119.100
H1 N3 C6 120.910 H1 N3 H11 127.824
N2 H1 N3 171.869 N2 C4 O5 126.185
N2 C4 H10 112.703 N3 C6 N7 123.840
N3 C6 H12 123.383 C4 N2 H9 120.239
C4 O5 H8 120.457 O5 C4 H10 121.112
O5 H8 N7 175.197 C6 N3 H11 111.177
C6 N7 H8 119.694 C6 N7 H13 119.153
N7 C6 H12 112.755 H8 N7 H13 117.215
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.378      
2 N -0.663      
3 N -0.588      
4 C 0.326      
5 O -0.447      
6 C 0.236      
7 N -0.670      
8 H 0.365      
9 H 0.300      
10 H 0.086      
11 H 0.268      
12 H 0.102      
13 H 0.307      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.284 1.521 -0.443 2.039
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.307 6.717 1.388
y 6.717 -32.035 0.620
z 1.388 0.620 -38.732
Traceless
 xyz
x 10.077 6.717 1.388
y 6.717 -0.016 0.620
z 1.388 0.620 -10.061
Polar
3z2-r2-20.122
x2-y26.728
xy6.717
xz1.388
yz0.620


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.178 0.563 0.199
y 0.563 9.416 0.012
z 0.199 0.012 2.972


<r2> (average value of r2) Å2
<r2> 221.307
(<r2>)1/2 14.876