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All results from a given calculation for CH5N3 (Guanidine)

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-204.671953
Energy at 298.15K-204.679769
HF Energy-204.119181
Nuclear repulsion energy124.351843
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 CISD/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 3780 3499 17.97      
2 A 3774 3494 24.71      
3 A 3676 3403 12.43      
4 A 3668 3396 27.05      
5 A 3620 3352 3.06      
6 A 1870 1731 308.91      
7 A 1748 1619 154.26      
8 A 1731 1603 35.88      
9 A 1548 1433 119.20      
10 A 1270 1176 28.32      
11 A 1203 1114 66.16      
12 A 1175 1087 15.18      
13 A 989 916 7.36      
14 A 894 827 63.71      
15 A 850 787 345.30      
16 A 732 677 196.51      
17 A 627 581 192.01      
18 A 564 522 15.85      
19 A 498 461 0.23      
20 A 416 385 28.41      
21 A 379 351 45.06      

Unscaled Zero Point Vibrational Energy (zpe) 17506.1 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 16207.1 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 CISD/6-31G*
ABC
0.35305 0.34259 0.17652

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 0.124 -0.000
N2 -0.202 1.382 0.009
N3 -0.980 -0.882 0.082
N4 1.268 -0.398 -0.088
H5 -1.189 1.611 -0.032
H6 -1.923 -0.561 -0.058
H7 -0.772 -1.682 -0.495
H8 1.955 0.333 0.011
H9 1.437 -1.156 0.555

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.27101.39441.39101.89272.02502.01921.98412.0162
N21.27102.39522.31061.01392.59623.15722.39863.0704
N31.39442.39522.30542.50491.00651.00793.17682.4774
N41.39102.31062.30543.17433.19522.44501.00771.0082
H51.89271.01392.50493.17432.29283.35173.39403.8599
H62.02502.59621.00653.19522.29281.66513.98003.4667
H72.01923.15721.00792.44503.35171.66513.42832.5019
H81.98412.39863.17681.00773.39403.98003.42831.6679
H92.01623.07042.47741.00823.85993.46672.50191.6679

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 111.360 C1 N3 H6 114.040
C1 N3 H7 113.419 C1 N4 H8 110.600
C1 N4 H9 113.401 N2 C1 N3 127.894
N2 C1 N4 120.381 N3 C1 N4 111.722
H6 N3 H7 111.510 H8 N4 H9 111.653
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability