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: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-205.299847
Energy at 298.15K-205.307300
HF Energy-205.299847
Nuclear repulsion energy123.211827
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 B3LYP/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 3753 3611 17.72      
2 A 3749 3607 25.33      
3 A 3619 3481 6.33      
4 A 3612 3475 28.12      
5 A 3457 3326 14.42      
6 A 1742 1675 304.61      
7 A 1685 1621 67.00      
8 A 1667 1604 132.05      
9 A 1475 1419 173.42      
10 A 1168 1124 13.57      
11 A 1135 1092 134.78      
12 A 1079 1038 14.86      
13 A 962 926 14.57      
14 A 787 757 98.23      
15 A 731 703 142.61      
16 A 572 551 281.36      
17 A 539 518 22.32      
18 A 485 466 12.51      
19 A 438 421 219.68      
20 A 420 404 139.22      
21 A 354 341 50.98      

Unscaled Zero Point Vibrational Energy (zpe) 16714.6 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 16079.5 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 B3LYP/6-31G
ABC
0.34745 0.33603 0.17209

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 0.119 0.001
N2 -0.137 1.410 0.016
N3 -1.032 -0.833 0.021
N4 1.254 -0.442 -0.040
H5 -1.102 1.736 -0.086
H6 -1.985 -0.536 0.143
H7 -0.875 -1.753 -0.359
H8 2.014 0.216 -0.098
H9 1.432 -1.326 0.410

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.29621.39381.38741.95062.08182.09212.03302.0850
N21.29622.41472.31641.02422.68703.26942.46233.1780
N31.39382.41472.31962.57221.00571.00753.22372.5425
N41.38742.31642.31963.20893.24542.52061.00731.0074
H51.95061.02422.57223.20892.44873.50723.46714.0054
H62.08182.68701.00573.24542.44871.72154.07633.5170
H72.09213.26941.00752.52063.50721.72153.50622.4688
H82.03302.46233.22371.00733.46714.07633.50621.7247
H92.08503.17802.54251.00744.00543.51702.46881.7247

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 113.896 C1 N3 H6 119.484
C1 N3 H7 120.346 C1 N4 H8 115.281
C1 N4 H9 120.224 N2 C1 N3 127.665
N2 C1 N4 119.305 N3 C1 N4 113.030
H6 N3 H7 117.546 H8 N4 H9 117.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.512      
2 N -0.530      
3 N -0.738      
4 N -0.721      
5 H 0.226      
6 H 0.313      
7 H 0.311      
8 H 0.325      
9 H 0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.152 -3.229 0.075 3.429
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.659 -1.881 1.431
y -1.881 -25.026 -0.412
z 1.431 -0.412 -26.897
Traceless
 xyz
x 9.303 -1.881 1.431
y -1.881 -3.248 -0.412
z 1.431 -0.412 -6.055
Polar
3z2-r2-12.109
x2-y28.367
xy-1.881
xz1.431
yz-0.412


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.163 -0.371 -0.047
y -0.371 6.007 -0.028
z -0.047 -0.028 1.802


<r2> (average value of r2) Å2
<r2> 73.647
(<r2>)1/2 8.582