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: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-205.328588
Energy at 298.15K-205.336247
HF Energy-205.328588
Nuclear repulsion energy124.214427
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 mPW1PW91/6-31G**
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 3731 3550 17.27      
2 A 3724 3543 23.89      
3 A 3612 3436 8.69      
4 A 3605 3430 21.06      
5 A 3555 3382 4.07      
6 A 1791 1704 290.94      
7 A 1658 1578 151.95      
8 A 1642 1562 37.47      
9 A 1484 1412 109.58      
10 A 1204 1146 26.71      
11 A 1148 1092 71.71      
12 A 1110 1056 11.04      
13 A 966 919 11.23      
14 A 824 784 39.50      
15 A 785 747 241.82      
16 A 660 628 178.49      
17 A 584 556 245.96      
18 A 546 520 18.25      
19 A 479 456 0.14      
20 A 410 390 17.12      
21 A 367 349 38.16      

Unscaled Zero Point Vibrational Energy (zpe) 16942.4 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 16120.7 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 mPW1PW91/6-31G**
ABC
0.35230 0.34233 0.17608

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 0.121 -0.000
N2 -0.189 1.388 0.011
N3 -0.987 -0.874 0.078
N4 1.264 -0.407 -0.086
H5 -1.177 1.623 -0.048
H6 -1.931 -0.546 -0.047
H7 -0.788 -1.692 -0.478
H8 1.956 0.321 0.011
H9 1.433 -1.184 0.536

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.27791.39191.38861.89762.02762.02781.98352.0239
N21.27792.39922.31101.01712.60353.17572.39553.0856
N31.39192.39922.30492.50731.00741.00953.17722.4825
N41.38862.31102.30493.17463.19862.45301.00901.0097
H51.89761.01712.50733.17462.29653.36563.39293.8772
H62.02762.60351.00743.19862.29651.67543.98333.4737
H72.02783.17571.00952.45303.36561.67543.43852.4939
H81.98352.39553.17721.00903.39293.98333.43851.6780
H92.02393.08562.48251.00973.87723.47372.49391.6780

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 111.047 C1 N3 H6 114.406
C1 N3 H7 114.277 C1 N4 H8 110.641
C1 N4 H9 114.177 N2 C1 N3 127.914
N2 C1 N4 120.097 N3 C1 N4 111.986
H6 N3 H7 112.329 H8 N4 H9 112.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.561      
2 N -0.610      
3 N -0.662      
4 N -0.653      
5 H 0.224      
6 H 0.279      
7 H 0.285      
8 H 0.296      
9 H 0.280      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.988 -2.575 -0.050 2.759
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.156 -1.230 3.130
y -1.230 -25.637 0.302
z 3.130 0.302 -26.135
Traceless
 xyz
x 8.730 -1.230 3.130
y -1.230 -3.992 0.302
z 3.130 0.302 -4.738
Polar
3z2-r2-9.477
x2-y28.481
xy-1.230
xz3.130
yz0.302


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.235 -0.363 0.045
y -0.363 5.883 -0.012
z 0.045 -0.012 2.357


<r2> (average value of r2) Å2
<r2> 72.212
(<r2>)1/2 8.498