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: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-205.303577
Energy at 298.15K-205.311217
HF Energy-205.303577
Nuclear repulsion energy123.964969
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 B3PW91/6-31G**
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 3703 3549 15.27      
2 A 3696 3542 21.62      
3 A 3584 3435 6.59      
4 A 3579 3430 19.22      
5 A 3526 3379 4.89      
6 A 1774 1700 277.97      
7 A 1648 1579 143.22      
8 A 1632 1564 39.16      
9 A 1471 1410 110.87      
10 A 1196 1147 26.96      
11 A 1142 1095 70.97      
12 A 1103 1057 11.72      
13 A 957 917 10.42      
14 A 820 786 39.30      
15 A 779 747 245.11      
16 A 660 632 174.76      
17 A 583 559 240.87      
18 A 543 521 17.67      
19 A 476 457 0.14      
20 A 408 391 17.21      
21 A 364 349 36.46      

Unscaled Zero Point Vibrational Energy (zpe) 16822.1 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 16122.3 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 B3PW91/6-31G**
ABC
0.35121 0.34058 0.17540

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 0.121 -0.000
N2 -0.170 1.393 0.012
N3 -1.001 -0.863 0.079
N4 1.261 -0.424 -0.086
H5 -1.157 1.641 -0.049
H6 -1.942 -0.522 -0.048
H7 -0.814 -1.684 -0.482
H8 1.963 0.298 0.009
H9 1.422 -1.201 0.541

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.28061.39491.39141.90052.03082.03161.98672.0269
N21.28062.40502.31461.01912.60883.18162.39753.0887
N31.39492.40502.31022.51231.00941.01153.18382.4891
N41.39142.31462.31023.17963.20472.45961.01101.0117
H51.90051.01912.51233.17962.30033.37013.39683.8822
H62.03082.60881.00943.20472.30031.67703.99013.4817
H72.03163.18161.01152.45963.37011.67703.44642.5056
H81.98672.39753.18381.01103.39683.99013.44641.6798
H92.02693.08872.48911.01173.88223.48172.50561.6798

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 110.958 C1 N3 H6 114.315
C1 N3 H7 114.231 C1 N4 H8 110.583
C1 N4 H9 114.089 N2 C1 N3 127.978
N2 C1 N4 119.997 N3 C1 N4 112.021
H6 N3 H7 112.164 H8 N4 H9 112.300
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.551      
2 N -0.603      
3 N -0.654      
4 N -0.646      
5 H 0.221      
6 H 0.277      
7 H 0.283      
8 H 0.294      
9 H 0.278      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.015 -2.540 -0.054 2.736
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.202 -1.319 3.144
y -1.319 -25.626 0.261
z 3.144 0.261 -26.115
Traceless
 xyz
x 8.668 -1.319 3.144
y -1.319 -3.968 0.261
z 3.144 0.261 -4.701
Polar
3z2-r2-9.401
x2-y28.424
xy-1.319
xz3.144
yz0.261


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.302 -0.354 0.049
y -0.354 5.945 -0.013
z 0.049 -0.013 2.371


<r2> (average value of r2) Å2
<r2> 72.443
(<r2>)1/2 8.511