return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH5N3 (Guanidine)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-204.858986
Energy at 298.15K-204.866726
HF Energy-204.183745
Nuclear repulsion energy123.790191
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 MP2/6-311G**
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 3704 3520 15.06      
2 A 3701 3517 21.11      
3 A 3593 3414 7.35      
4 A 3589 3410 22.72      
5 A 3544 3367 4.22      
6 A 1773 1685 223.45      
7 A 1652 1570 136.79      
8 A 1635 1554 30.73      
9 A 1472 1399 94.98      
10 A 1211 1151 19.11      
11 A 1154 1097 69.36      
12 A 1125 1069 17.13      
13 A 950 902 5.70      
14 A 858 815 72.85      
15 A 808 768 270.44      
16 A 722 686 166.38      
17 A 602 572 162.80      
18 A 538 511 14.83      
19 A 479 456 0.11      
20 A 413 393 20.58      
21 A 371 353 39.75      

Unscaled Zero Point Vibrational Energy (zpe) 16946.9 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 16103.0 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 MP2/6-311G**
ABC
0.34902 0.34013 0.17500

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 0.125 -0.001
N2 -0.190 1.395 0.010
N3 -0.989 -0.882 0.087
N4 1.269 -0.411 -0.091
H5 -1.186 1.606 -0.039
H6 -1.928 -0.545 -0.071
H7 -0.779 -1.673 -0.509
H8 1.957 0.320 0.025
H9 1.418 -1.169 0.562

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.28201.40151.39721.88602.02472.01691.98552.0140
N21.28202.41512.32441.01892.60613.16702.40193.0771
N31.40152.41512.31272.49911.01021.01163.18252.4703
N41.39722.32442.31273.17743.19922.44061.01121.0116
H51.88601.01892.49913.17742.27543.33693.39673.8527
H62.02472.60611.01023.19922.27541.66843.98133.4622
H72.01693.16701.01162.44063.33691.66843.42652.4956
H81.98552.40193.18251.01123.39673.98133.42651.6719
H92.01403.07712.47031.01163.85273.46222.49561.6719

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 109.569 C1 N3 H6 113.185
C1 N3 H7 112.399 C1 N4 H8 110.020
C1 N4 H9 112.474 N2 C1 N3 128.252
N2 C1 N4 120.289 N3 C1 N4 111.453
H6 N3 H7 111.220 H8 N4 H9 111.487
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability