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All results from a given calculation for CH5N3 (Guanidine)

using model chemistry: QCISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/6-311G*
 hartrees
Energy at 0K-204.841029
Energy at 298.15K-204.848815
HF Energy-204.167027
Nuclear repulsion energy123.702330
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 QCISD/6-311G*
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 3687 3530 7.22      
2 A 3684 3527 11.89      
3 A 3587 3434 5.25      
4 A 3582 3429 11.91      
5 A 3516 3367 7.09      
6 A 1798 1722 224.71      
7 A 1727 1654 152.11      
8 A 1705 1632 48.10      
9 A 1504 1440 104.79      
10 A 1246 1193 31.78      
11 A 1185 1134 51.22      
12 A 1155 1106 27.58      
13 A 952 912 1.92      
14 A 892 854 110.56      
15 A 845 809 314.23      
16 A 748 717 177.97      
17 A 619 593 151.20      
18 A 548 525 15.69      
19 A 484 463 0.18      
20 A 411 394 33.95      
21 A 370 354 33.52      

Unscaled Zero Point Vibrational Energy (zpe) 17122.4 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 16393.0 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 QCISD/6-311G*
ABC
0.34877 0.33896 0.17468

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 0.126 -0.001
N2 -0.186 1.394 0.010
N3 -0.994 -0.880 0.085
N4 1.270 -0.417 -0.089
H5 -1.176 1.628 -0.038
H6 -1.934 -0.540 -0.056
H7 -0.793 -1.666 -0.519
H8 1.961 0.313 0.007
H9 1.422 -1.164 0.574

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.27921.40411.40001.89732.02892.01941.98782.0171
N21.27922.41432.32521.01832.60723.16352.40353.0738
N31.40412.41432.31722.51781.00931.01083.18792.4820
N41.40002.32522.31723.18823.20602.44901.01011.0111
H51.89731.01832.51783.18822.29673.35073.40153.8630
H62.02892.60721.00933.20602.29671.66863.98763.4715
H72.01943.16351.01082.44903.35071.66863.43162.5206
H81.98782.40353.18791.01013.40153.98763.43161.6717
H92.01713.07382.48201.01113.86303.47152.52061.6717

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 110.827 C1 N3 H6 113.415
C1 N3 H7 112.460 C1 N4 H8 110.081
C1 N4 H9 112.561 N2 C1 N3 128.183
N2 C1 N4 120.361 N3 C1 N4 111.452
H6 N3 H7 111.374 H8 N4 H9 111.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability