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All results from a given calculation for CH5N3 (Guanidine)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-203.380836
Energy at 298.15K-203.388420
HF Energy-202.970841
Nuclear repulsion energy122.338855
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 MP2/3-21G*
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 3656 3478 12.20      
2 A 3637 3460 14.03      
3 A 3531 3359 10.90      
4 A 3513 3342 12.40      
5 A 3360 3197 11.77      
6 A 1751 1665 75.96      
7 A 1717 1634 121.25      
8 A 1692 1610 61.91      
9 A 1443 1373 159.16      
10 A 1204 1145 18.81      
11 A 1158 1102 84.33      
12 A 1115 1061 51.78      
13 A 911 867 4.03      
14 A 846 805 43.56      
15 A 742 706 307.86      
16 A 627 597 182.46      
17 A 543 516 160.69      
18 A 533 507 203.76      
19 A 473 450 0.22      
20 A 409 389 42.69      
21 A 371 353 19.52      

Unscaled Zero Point Vibrational Energy (zpe) 16615.2 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 15806.0 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 MP2/3-21G*
ABC
0.34159 0.33109 0.17037

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

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 -1.051 -0.832 0.055
N4 1.251 -0.489 -0.070
H5 -1.077 1.756 -0.068
H6 -2.002 -0.481 0.054
H7 -0.899 -1.680 -0.482
H8 2.004 0.194 -0.077
H9 1.393 -1.271 0.564

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.29581.41201.41311.94232.07692.07012.02372.0651
N21.29582.44552.34371.03272.68883.24092.43983.1291
N31.41202.44552.33062.59051.01421.01503.22492.5343
N41.41312.34372.33063.23393.25582.49261.01661.0166
H51.94231.03272.59053.23392.42333.46503.45353.9571
H62.07692.68881.01423.25582.42331.71534.06443.5228
H72.07013.24091.01502.49263.46501.71533.47932.5525
H82.02372.43983.22491.01663.45354.06443.47931.7119
H92.06513.12912.53431.01663.95713.52282.55251.7119

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 112.559 C1 N3 H6 116.793
C1 N3 H7 116.098 C1 N4 H8 111.762
C1 N4 H9 115.434 N2 C1 N3 129.089
N2 C1 N4 119.742 N3 C1 N4 111.169
H6 N3 H7 115.401 H8 N4 H9 114.699
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability