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: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-204.316009
Energy at 298.15K-204.323472
HF Energy-204.316009
Nuclear repulsion energy124.060119
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 LSDA/6-31+G**
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 3622 3568 32.37      
2 A 3613 3559 37.95      
3 A 3497 3444 6.22      
4 A 3491 3439 34.17      
5 A 3455 3404 8.27      
6 A 1729 1704 365.14      
7 A 1570 1546 250.13      
8 A 1552 1528 25.83      
9 A 1433 1412 70.29      
10 A 1133 1116 24.07      
11 A 1082 1066 69.66      
12 A 1041 1025 8.96      
13 A 962 947 18.71      
14 A 752 741 33.48      
15 A 727 716 124.27      
16 A 593 585 231.34      
17 A 529 521 93.25      
18 A 523 516 172.30      
19 A 461 454 0.12      
20 A 404 398 35.07      
21 A 357 351 31.29      

Unscaled Zero Point Vibrational Energy (zpe) 16262.2 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 16018.3 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 LSDA/6-31+G**
ABC
0.35225 0.34307 0.17603

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 0.116 0.000
N2 -0.191 1.389 0.014
N3 -0.982 -0.872 0.066
N4 1.259 -0.401 -0.075
H5 -1.184 1.637 -0.074
H6 -1.947 -0.552 0.018
H7 -0.798 -1.718 -0.474
H8 1.967 0.333 -0.023
H9 1.451 -1.211 0.515

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.28461.38371.37851.91852.04352.05001.99512.0446
N21.28462.39612.30531.02732.61763.20352.40283.1158
N31.38372.39612.29492.52081.01821.02083.18702.4977
N41.37852.30532.29493.18143.21162.47531.02051.0203
H51.91851.02732.52083.18142.31953.40083.41053.9244
H62.04352.61761.01823.21162.31951.71014.01333.4976
H72.05003.20351.02082.47533.40081.71013.47192.5088
H81.99512.40283.18701.02053.41054.01333.47191.7142
H92.04463.11582.49771.02033.92443.49762.50881.7142

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 111.679 C1 N3 H6 115.767
C1 N3 H7 116.168 C1 N4 H8 111.666
C1 N4 H9 116.140 N2 C1 N3 127.758
N2 C1 N4 119.872 N3 C1 N4 112.367
H6 N3 H7 114.013 H8 N4 H9 114.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.174      
2 N -0.518      
3 N -0.586      
4 N -0.568      
5 H 0.240      
6 H 0.304      
7 H 0.314      
8 H 0.331      
9 H 0.310      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.056 -2.919 -0.055 3.105
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.605 -1.472 2.761
y -1.472 -26.992 0.115
z 2.761 0.115 -27.965
Traceless
 xyz
x 9.873 -1.472 2.761
y -1.472 -4.207 0.115
z 2.761 0.115 -5.666
Polar
3z2-r2-11.332
x2-y29.387
xy-1.472
xz2.761
yz0.115


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.370 -0.203 -0.004
y -0.203 7.471 0.011
z -0.004 0.011 4.359


<r2> (average value of r2) Å2
<r2> 73.139
(<r2>)1/2 8.552