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: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-204.755013
Energy at 298.15K-204.762763
HF Energy-204.117455
Nuclear repulsion energy123.613912
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 CCD/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 3671 3475 11.46      
2 A 3667 3471 16.99      
3 A 3568 3377 10.37      
4 A 3562 3371 16.12      
5 A 3499 3312 4.88      
6 A 1834 1736 247.60      
7 A 1708 1617 140.51      
8 A 1693 1602 31.83      
9 A 1513 1433 105.47      
10 A 1247 1180 22.95      
11 A 1181 1118 60.48      
12 A 1155 1093 15.58      
13 A 964 912 2.70      
14 A 892 845 81.56      
15 A 838 793 345.83      
16 A 741 701 197.02      
17 A 615 582 151.96      
18 A 549 520 13.97      
19 A 486 460 0.15      
20 A 403 382 34.00      
21 A 366 347 37.03      

Unscaled Zero Point Vibrational Energy (zpe) 17075.4 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 16161.9 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 CCD/6-31G*
ABC
0.34884 0.33865 0.17468

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 0.126 -0.000
N2 -0.185 1.393 0.009
N3 -0.995 -0.879 0.087
N4 1.269 -0.418 -0.092
H5 -1.179 1.629 -0.034
H6 -1.937 -0.537 -0.065
H7 -0.796 -1.668 -0.521
H8 1.964 0.316 0.011
H9 1.426 -1.164 0.580

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.27811.40381.40011.89982.03162.02341.99072.0211
N21.27812.41302.32431.02292.60773.16622.40313.0752
N31.40382.41302.31722.51741.01441.01583.19142.4871
N41.40012.32432.31723.19163.20892.45181.01551.0162
H51.89981.02292.51743.19162.29463.35503.40623.8682
H62.03162.60771.01443.20892.29461.67093.99383.4820
H72.02343.16621.01582.45183.35501.67093.44002.5305
H81.99072.40313.19141.01553.40623.99383.44001.6740
H92.02113.07522.48711.01623.86823.48202.53051.6740

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 110.818 C1 N3 H6 113.326
C1 N3 H7 112.504 C1 N4 H8 109.970
C1 N4 H9 112.564 N2 C1 N3 128.178
N2 C1 N4 120.350 N3 C1 N4 111.469
H6 N3 H7 110.774 H8 N4 H9 110.963
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability