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All results from a given calculation for CH5N3 (Guanidine)

using model chemistry: QCISD/3-21G

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/3-21G
 hartrees
Energy at 0K-203.407313
Energy at 298.15K-203.414873
HF Energy-202.970440
Nuclear repulsion energy122.231094
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/3-21G
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 3609 3497 7.51      
2 A 3587 3477 8.94      
3 A 3492 3384 7.42      
4 A 3470 3363 6.64      
5 A 3322 3219 15.63      
6 A 1744 1691 98.69      
7 A 1708 1656 109.51      
8 A 1692 1640 56.16      
9 A 1441 1396 156.09      
10 A 1207 1170 30.11      
11 A 1161 1125 72.29      
12 A 1116 1081 51.98      
13 A 904 876 2.63      
14 A 851 825 50.55      
15 A 740 717 321.76      
16 A 622 603 183.86      
17 A 542 525 220.87      
18 A 529 513 135.05      
19 A 468 454 0.17      
20 A 402 390 43.52      
21 A 355 344 12.58      

Unscaled Zero Point Vibrational Energy (zpe) 16479.4 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 15971.8 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/3-21G
ABC
0.34072 0.33068 0.17019

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 0.131 0.002
N2 -0.127 1.418 0.014
N3 -1.039 -0.849 0.058
N4 1.262 -0.472 -0.073
H5 -1.106 1.741 -0.064
H6 -1.997 -0.509 0.049
H7 -0.874 -1.686 -0.496
H8 2.005 0.226 -0.078
H9 1.413 -1.239 0.582

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.29141.41561.41741.94412.07952.06912.02722.0645
N21.29142.44352.34651.03412.68513.23282.44383.1225
N31.41562.44352.33562.59371.01631.01743.23082.5381
N41.41742.34652.33563.24103.26152.49351.01871.0194
H51.94411.03412.59373.24102.42273.46213.46013.9552
H62.07952.68511.01633.26152.42271.71554.07043.5281
H72.06913.23281.01742.49353.46211.71553.48092.5681
H82.02722.44383.23081.01873.46014.07043.48091.7116
H92.06453.12252.53811.01943.95523.52812.56811.7116

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 112.979 C1 N3 H6 116.586
C1 N3 H7 115.548 C1 N4 H8 111.592
C1 N4 H9 114.831 N2 C1 N3 128.966
N2 C1 N4 119.976 N3 C1 N4 111.058
H6 N3 H7 115.033 H8 N4 H9 114.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability