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All results from a given calculation for CH5N3 (Guanidine)

using model chemistry: QCISD(T)/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 QCISD(T)/6-31G*
 hartrees
Energy at 0K-204.779952
Energy at 298.15K-204.787649
HF Energy-204.116014
Nuclear repulsion energy123.147051
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(T)/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 3628 3480        
2 A 3623 3476        
3 A 3523 3379        
4 A 3516 3373        
5 A 3441 3301        
6 A 1782 1709        
7 A 1691 1622        
8 A 1672 1604        
9 A 1491 1431        
10 A 1228 1178        
11 A 1170 1122        
12 A 1141 1095        
13 A 946 907        
14 A 882 846        
15 A 822 788        
16 A 736 706        
17 A 602 577        
18 A 536 514        
19 A 476 457        
20 A 400 383        
21 A 360 346        

Unscaled Zero Point Vibrational Energy (zpe) 16832.0 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 16147.0 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(T)/6-31G*
ABC
0.34568 0.33642 0.17340

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 0.125 -0.001
N2 -0.172 1.403 0.010
N3 -1.004 -0.876 0.089
N4 1.268 -0.432 -0.093
H5 -1.168 1.645 -0.039
H6 -1.945 -0.522 -0.066
H7 -0.812 -1.663 -0.529
H8 1.966 0.302 0.012
H9 1.418 -1.173 0.590

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.28711.40841.40461.90662.03382.02601.99162.0233
N21.28712.42762.33471.02672.61793.17762.40423.0815
N31.40842.42762.32292.52961.01711.01863.19652.4911
N41.40462.33472.32293.20203.21472.45581.01821.0190
H51.90661.02672.52963.20202.30163.36273.40993.8757
H62.03382.61791.01713.21472.30161.67373.99753.4873
H72.02603.17761.01862.45583.36271.67373.44502.5420
H81.99162.40423.19651.01823.40993.99753.44501.6767
H92.02333.08152.49111.01903.87573.48732.54201.6767

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 110.472 C1 N3 H6 112.976
C1 N3 H7 112.190 C1 N4 H8 109.545
C1 N4 H9 112.219 N2 C1 N3 128.416
N2 C1 N4 120.242 N3 C1 N4 111.336
H6 N3 H7 110.612 H8 N4 H9 110.784
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability