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/3-21G

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/3-21G
 hartrees
Energy at 0K-318.138602
Energy at 298.15K-318.130397
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/3-21G
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' 3614 3488 56.50      
2 A' 3563 3438 27.21      
3 A' 3407 3288 1.50      
4 A' 3082 2974 797.90      
5 A' 3044 2937 398.55      
6 A' 2964 2860 291.06      
7 A' 2643 2551 1362.03      
8 A' 1814 1750 71.23      
9 A' 1775 1712 307.00      
10 A' 1710 1650 151.84      
11 A' 1641 1584 5.16      
12 A' 1439 1388 39.90      
13 A' 1419 1369 31.17      
14 A' 1395 1346 29.82      
15 A' 1366 1318 69.29      
16 A' 1176 1135 70.64      
17 A' 1148 1108 26.02      
18 A' 1141 1101 4.59      
19 A' 694 669 8.11      
20 A' 615 594 4.60      
21 A' 310 299 111.70      
22 A' 233 225 0.07      
23 A' 193 186 1.23      
24 A" 1183 1142 228.65      
25 A" 1103 1065 12.01      
26 A" 1064 1027 30.59      
27 A" 1015 979 119.93      
28 A" 759 733 118.83      
29 A" 609 588 98.59      
30 A" 473 457 58.29      
31 A" 265 256 1.36      
32 A" 184 178 78.12      
33 A" 84 81 11.70      

Unscaled Zero Point Vibrational Energy (zpe) 23563.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 22736.0 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 B3LYPultrafine/3-21G
ABC
0.18058 0.07108 0.05100

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.014 -1.266 0.000
N2 -1.068 -1.455 0.000
N3 1.615 -0.776 0.000
C4 -1.941 -0.438 0.000
O5 -1.654 0.786 0.000
C6 1.934 0.484 0.000
N7 1.021 1.477 0.000
H8 0.000 1.261 0.000
H9 -1.416 -2.408 0.000
H10 -2.997 -0.755 0.000
H11 2.429 -1.401 0.000
H12 2.972 0.832 0.000
H13 1.326 2.442 0.000

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.07031.70112.09692.62672.61922.93232.52721.80793.02612.44733.65003.9426
N21.07032.76701.34012.31653.57383.60042.91861.01502.05223.49744.64254.5733
N31.70112.76703.57163.62271.30022.33002.59943.44194.61171.02682.10463.2307
C42.09691.34013.57161.25783.98343.52792.58002.03911.10254.47505.07484.3553
O52.62672.31653.62271.25783.60062.76321.72093.20362.04454.63204.62633.4089
C62.61923.57381.30023.98343.60061.34862.08414.42585.08451.94931.09492.0497
N72.93233.60042.33003.52792.76321.34861.04394.58674.59703.20412.05451.0114
H82.52722.91862.59942.58001.72092.08411.04393.93333.61233.60393.00281.7753
H91.80791.01503.44192.03913.20364.42584.58673.93332.28803.97455.45475.5715
H103.02612.05224.61171.10252.04455.08454.59703.61232.28805.46456.17675.3767
H112.44733.49741.02684.47504.63201.94933.20413.60393.97455.46452.29843.9980
H123.65004.64252.10465.07484.62631.09492.05453.00285.45476.17672.29842.3022
H133.94264.57333.23074.35533.40892.04971.01141.77535.57155.37673.99802.3022

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/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.370      
2 N -0.766      
3 N -0.640      
4 C 0.425      
5 O -0.507      
6 C 0.338      
7 N -0.758      
8 H 0.349      
9 H 0.295      
10 H 0.158      
11 H 0.256      
12 H 0.179      
13 H 0.301      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.016 -1.205 0.000 2.349
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> 0.000
(<r2>)1/2 0.000