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All results from a given calculation for CH5N3 (Guanidine)

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-203.387902
Energy at 298.15K-203.395485
HF Energy-202.970905
Nuclear repulsion energy122.355121
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 MP2=FULL/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 3657 3467 12.31      
2 A 3638 3449 14.13      
3 A 3531 3348 10.99      
4 A 3513 3331 12.51      
5 A 3361 3186 11.72      
6 A 1751 1660 76.81      
7 A 1717 1628 121.45      
8 A 1692 1604 61.68      
9 A 1443 1368 159.41      
10 A 1204 1141 18.76      
11 A 1158 1097 84.81      
12 A 1115 1057 51.41      
13 A 911 864 4.15      
14 A 846 802 43.57      
15 A 742 703 306.38      
16 A 627 595 183.19      
17 A 542 514 143.07      
18 A 532 505 221.89      
19 A 473 449 0.23      
20 A 409 388 42.60      
21 A 371 352 19.90      

Unscaled Zero Point Vibrational Energy (zpe) 16616.9 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 15752.8 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 MP2=FULL/3-21G*
ABC
0.34168 0.33119 0.17042

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 0.129 0.002
N2 -0.103 1.422 0.014
N3 -1.050 -0.832 0.055
N4 1.251 -0.489 -0.070
H5 -1.077 1.755 -0.068
H6 -2.002 -0.481 0.055
H7 -0.899 -1.680 -0.481
H8 2.004 0.195 -0.077
H9 1.393 -1.271 0.563

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.29571.41181.41291.94222.07692.07012.02372.0651
N21.29572.44502.34331.03262.68863.24082.43983.1292
N31.41182.44502.33032.59021.01411.01493.22462.5343
N41.41292.34332.33033.23353.25552.49261.01651.0165
H51.94221.03262.59023.23352.42343.46503.45333.9571
H62.07692.68861.01413.25552.42341.71534.06433.5225
H72.07013.24081.01492.49263.46501.71533.47922.5521
H82.02372.43983.22461.01653.45334.06433.47921.7119
H92.06513.12922.53431.01653.95713.52252.55211.7119

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 112.571 C1 N3 H6 116.822
C1 N3 H7 116.133 C1 N4 H8 111.783
C1 N4 H9 115.467 N2 C1 N3 129.079
N2 C1 N4 119.742 N3 C1 N4 111.179
H6 N3 H7 115.426 H8 N4 H9 114.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability