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: QCISD/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 QCISD/6-311G**
 hartrees
Energy at 0K-204.886562
Energy at 298.15K-204.894309
HF Energy-204.183799
Nuclear repulsion energy123.714088
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/6-311G**
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 3689 3520 9.88      
2 A 3686 3517 15.02      
3 A 3588 3424 5.90      
4 A 3584 3420 15.56      
5 A 3532 3369 4.73      
6 A 1785 1703 246.54      
7 A 1668 1592 129.52      
8 A 1651 1575 28.84      
9 A 1487 1418 93.04      
10 A 1226 1170 27.19      
11 A 1173 1119 57.85      
12 A 1136 1084 21.58      
13 A 948 905 3.43      
14 A 871 831 77.40      
15 A 827 789 273.41      
16 A 734 701 164.97      
17 A 604 577 146.66      
18 A 541 516 14.83      
19 A 480 458 0.08      
20 A 403 384 24.11      
21 A 365 348 40.19      

Unscaled Zero Point Vibrational Energy (zpe) 16988.6 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 16208.8 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 QCISD/6-311G**
ABC
0.34882 0.33918 0.17477

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 0.126 -0.001
N2 -0.208 1.391 0.009
N3 -0.981 -0.893 0.088
N4 1.277 -0.398 -0.092
H5 -1.206 1.592 -0.032
H6 -1.922 -0.563 -0.076
H7 -0.763 -1.677 -0.513
H8 1.958 0.341 0.026
H9 1.433 -1.148 0.569

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.27891.40461.40071.88652.02512.01691.98812.0140
N21.27892.41272.32711.01882.60013.16122.40703.0747
N31.40462.41272.31882.49811.01031.01183.18772.4747
N41.40072.32712.31883.18253.20282.44451.01111.0120
H51.88651.01882.49813.18252.27083.33373.40263.8513
H62.02512.60011.01033.20282.27081.66563.98423.4659
H72.01693.16121.01182.44453.33371.66563.42982.5048
H81.98812.40703.18771.01113.40263.98423.42981.6689
H92.01403.07472.47471.01203.85133.46592.50481.6689

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 109.858 C1 N3 H6 112.961
C1 N3 H7 112.136 C1 N4 H8 109.987
C1 N4 H9 112.171 N2 C1 N3 128.009
N2 C1 N4 120.490 N3 C1 N4 111.497
H6 N3 H7 110.913 H8 N4 H9 111.155
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability