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: CID/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 CID/6-31G*
 hartrees
Energy at 0K-204.669372
Energy at 298.15K-204.677192
HF Energy-204.119248
Nuclear repulsion energy124.400828
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 CID/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 3785 3497 18.65      
2 A 3779 3491 25.48      
3 A 3681 3400 13.12      
4 A 3673 3392 27.61      
5 A 3627 3350 3.01      
6 A 1876 1733 313.24      
7 A 1750 1616 154.95      
8 A 1733 1601 36.01      
9 A 1550 1432 118.84      
10 A 1272 1175 27.73      
11 A 1204 1112 66.19      
12 A 1176 1086 14.89      
13 A 991 916 7.72      
14 A 895 827 63.54      
15 A 852 787 344.43      
16 A 732 676 198.13      
17 A 628 580 193.87      
18 A 565 522 15.89      
19 A 499 461 0.24      
20 A 416 384 29.05      
21 A 379 350 45.06      

Unscaled Zero Point Vibrational Energy (zpe) 17531.2 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 16193.6 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 CID/6-31G*
ABC
0.35343 0.34278 0.17666

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 0.124 -0.000
N2 -0.203 1.381 0.009
N3 -0.979 -0.883 0.082
N4 1.268 -0.397 -0.088
H5 -1.190 1.610 -0.032
H6 -1.922 -0.562 -0.058
H7 -0.771 -1.682 -0.495
H8 1.954 0.334 0.011
H9 1.437 -1.155 0.554

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.27001.39391.39061.89202.02472.01881.98382.0159
N21.27002.39362.30951.01362.59493.15572.39823.0694
N31.39392.39362.30482.50371.00621.00763.17632.4771
N41.39062.30952.30483.17333.19462.44451.00751.0080
H51.89201.01362.50373.17332.29183.35053.39343.8588
H62.02472.59491.00623.19462.29181.66483.97943.4662
H72.01883.15571.00762.44453.35051.66483.42772.5014
H81.98382.39823.17631.00753.39343.97943.42771.6676
H92.01593.06942.47711.00803.85883.46622.50141.6676

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 111.396 C1 N3 H6 114.065
C1 N3 H7 113.430 C1 N4 H8 110.623
C1 N4 H9 113.420 N2 C1 N3 127.869
N2 C1 N4 120.396 N3 C1 N4 111.733
H6 N3 H7 111.517 H8 N4 H9 111.662
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability