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All results from a given calculation for CH5N3 (Guanidine)

using model chemistry: CID/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 CID/3-21G
 hartrees
Energy at 0K-203.352288
Energy at 298.15K-203.359922
HF Energy-202.973811
Nuclear repulsion energy123.262537
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/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 3732 3477 15.32      
2 A 3712 3458 16.96      
3 A 3615 3368 13.38      
4 A 3594 3348 14.77      
5 A 3461 3224 8.62      
6 A 1806 1682 206.30      
7 A 1754 1634 59.19      
8 A 1741 1622 89.48      
9 A 1485 1383 181.66      
10 A 1236 1152 30.67      
11 A 1182 1101 88.04      
12 A 1138 1060 45.11      
13 A 940 876 9.58      
14 A 873 813 67.70      
15 A 759 707 266.78      
16 A 625 583 221.75      
17 A 554 516 17.46      
18 A 517 482 360.08      
19 A 485 452 3.68      
20 A 407 379 56.84      
21 A 376 350 28.42      

Unscaled Zero Point Vibrational Energy (zpe) 16994.9 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 15832.4 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/3-21G
ABC
0.34655 0.33662 0.17282

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.020 0.130 0.002
N2 -0.167 1.400 0.013
N3 -1.010 -0.863 0.048
N4 1.266 -0.430 -0.065
H5 -1.143 1.703 -0.060
H6 -1.972 -0.564 0.066
H7 -0.822 -1.717 -0.455
H8 1.995 0.269 -0.077
H9 1.439 -1.222 0.538

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.27871.40251.40371.93362.07312.06482.02132.0599
N21.27872.41512.32501.02442.66873.21952.44113.1193
N31.40252.41512.31892.57151.00811.00903.21332.5225
N41.40372.32502.31893.21683.24342.48361.01031.0109
H51.93361.02442.57153.21682.41773.45763.44963.9469
H62.07312.66871.00813.24342.41771.70964.05653.5059
H72.06483.21951.00902.48363.45761.70963.46772.5183
H82.02132.44113.21331.01033.44964.05653.46771.7065
H92.05993.11932.52251.01093.94693.50592.51831.7065

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 113.726 C1 N3 H6 117.702
C1 N3 H7 116.848 C1 N4 H8 112.700
C1 N4 H9 116.159 N2 C1 N3 128.454
N2 C1 N4 120.095 N3 C1 N4 111.451
H6 N3 H7 115.896 H8 N4 H9 115.199
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability