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All results from a given calculation for CH5N3 (Guanidine)

using model chemistry: QCISD/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/6-31G**
 hartrees
Energy at 0K-204.809384
Energy at 298.15K-204.817106
HF Energy-204.137080
Nuclear repulsion energy123.686722
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/6-31G**
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 3740 3521 10.87      
2 A 3736 3517 16.21      
3 A 3629 3416 8.65      
4 A 3623 3411 14.51      
5 A 3563 3354 5.63      
6 A 1804 1699 235.17      
7 A 1697 1597 134.08      
8 A 1678 1579 28.28      
9 A 1502 1414 104.89      
10 A 1233 1161 25.36      
11 A 1176 1107 62.20      
12 A 1144 1077 14.96      
13 A 957 901 3.66      
14 A 872 821 64.25      
15 A 816 768 319.42      
16 A 720 678 187.81      
17 A 603 567 154.45      
18 A 542 510 13.67      
19 A 481 452 0.07      
20 A 403 380 23.11      
21 A 365 344 38.98      

Unscaled Zero Point Vibrational Energy (zpe) 17141.4 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 16136.9 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/6-31G**
ABC
0.34843 0.33909 0.17460

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 0.125 -0.000
N2 -0.188 1.395 0.009
N3 -0.992 -0.882 0.086
N4 1.270 -0.414 -0.091
H5 -1.180 1.621 -0.035
H6 -1.930 -0.544 -0.068
H7 -0.788 -1.671 -0.510
H8 1.960 0.315 0.017
H9 1.424 -1.164 0.568

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.28201.40331.39951.89472.02682.01941.98722.0166
N21.28202.41612.32651.01812.60813.16772.40423.0768
N31.40332.41612.31692.51261.00871.01033.18622.4805
N41.39952.32652.31693.18583.20302.44751.00981.0106
H51.89471.01812.51263.18582.29153.34943.40083.8609
H62.02682.60811.00873.20302.29151.66483.98473.4703
H72.01943.16771.01032.44753.34941.66483.43112.5126
H81.98722.40423.18621.00983.40083.98473.43111.6678
H92.01663.07682.48051.01063.86093.47032.51261.6678

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 110.393 C1 N3 H6 113.330
C1 N3 H7 112.568 C1 N4 H8 110.079
C1 N4 H9 112.598 N2 C1 N3 128.193
N2 C1 N4 120.296 N3 C1 N4 111.508
H6 N3 H7 111.090 H8 N4 H9 111.273
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability