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 CH5N3 (Guanidine)

using model chemistry: M06-2X/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 M06-2X/3-21G
 hartrees
Energy at 0K-204.124051
Energy at 298.15K-204.131602
HF Energy-204.124051
Nuclear repulsion energy123.369438
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 M06-2X/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 3714 3561 27.40      
2 A 3690 3537 30.52      
3 A 3583 3435 21.73      
4 A 3565 3418 30.74      
5 A 3401 3261 5.41      
6 A 1767 1694 278.73      
7 A 1683 1613 22.93      
8 A 1662 1594 141.19      
9 A 1457 1397 182.00      
10 A 1175 1126 18.71      
11 A 1136 1089 135.80      
12 A 1083 1039 21.74      
13 A 955 916 15.42      
14 A 806 773 96.04      
15 A 746 715 157.15      
16 A 577 553 273.55      
17 A 544 521 11.38      
18 A 489 468 66.51      
19 A 463 444 131.36      
20 A 416 398 164.58      
21 A 402 385 73.43      

Unscaled Zero Point Vibrational Energy (zpe) 16656.2 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 15968.3 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 M06-2X/3-21G
ABC
0.34794 0.33824 0.17306

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.020 0.128 0.002
N2 -0.161 1.403 0.016
N3 -1.010 -0.852 0.027
N4 1.258 -0.425 -0.050
H5 -1.138 1.711 -0.078
H6 -1.979 -0.577 0.124
H7 -0.818 -1.758 -0.385
H8 2.006 0.259 -0.091
H9 1.439 -1.278 0.468

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.28261.39361.39331.94042.08552.08412.03202.0789
N21.28262.40942.31471.02942.68993.25302.45253.1545
N31.39362.40942.30952.56881.01151.01323.21632.5249
N41.39332.31472.30953.21063.24512.49001.01401.0144
H51.94041.02942.56883.21062.44623.49753.46363.9848
H62.08552.68991.01153.24512.44621.73194.07703.5059
H72.08413.25301.01322.49003.49751.73193.48262.4602
H82.03202.45253.21631.01403.46364.07703.48261.7309
H92.07893.15452.52491.01443.98483.50592.46021.7309

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 113.678 C1 N3 H6 119.411
C1 N3 H7 119.138 C1 N4 H8 114.224
C1 N4 H9 118.567 N2 C1 N3 128.353
N2 C1 N4 119.714 N3 C1 N4 111.932
H6 N3 H7 117.607 H8 N4 H9 117.149
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.711      
2 N -0.637      
3 N -0.793      
4 N -0.769      
5 H 0.234      
6 H 0.311      
7 H 0.315      
8 H 0.326      
9 H 0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.168 -2.930 0.134 3.157
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.598 -1.562 1.780
y -1.562 -24.746 -0.351
z 1.780 -0.351 -26.368
Traceless
 xyz
x 8.959 -1.562 1.780
y -1.562 -3.263 -0.351
z 1.780 -0.351 -5.696
Polar
3z2-r2-11.391
x2-y28.148
xy-1.562
xz1.780
yz-0.351


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.620 -0.448 -0.048
y -0.448 5.376 -0.059
z -0.048 -0.059 1.414


<r2> (average value of r2) Å2
<r2> 73.170
(<r2>)1/2 8.554