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All results from a given calculation for C3H6N2 (3-Aminopropionitrile)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-226.010031
Energy at 298.15K-226.017376
Nuclear repulsion energy155.768608
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 HF/6-31G(2df,p)
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' 3737 3384 1.46      
2 A' 3203 2901 39.13      
3 A' 3195 2893 0.54      
4 A' 2601 2355 15.66      
5 A' 1799 1629 29.04      
6 A' 1621 1468 2.23      
7 A' 1593 1442 3.34      
8 A' 1527 1383 13.74      
9 A' 1414 1281 6.33      
10 A' 1188 1075 15.28      
11 A' 1097 993 53.69      
12 A' 996 902 16.30      
13 A' 896 811 182.65      
14 A' 577 522 0.65      
15 A' 409 370 7.76      
16 A' 182 165 9.26      
17 A" 3823 3462 3.29      
18 A" 3255 2948 32.11      
19 A" 3230 2925 0.77      
20 A" 1500 1358 0.01      
21 A" 1414 1280 0.10      
22 A" 1255 1137 0.02      
23 A" 1047 948 0.76      
24 A" 815 738 1.35      
25 A" 439 398 1.00      
26 A" 315 285 46.52      
27 A" 116 105 2.47      

Unscaled Zero Point Vibrational Energy (zpe) 21620.5 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 19577.4 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 HF/6-31G(2df,p)
ABC
0.84621 0.07672 0.07301

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.536 -0.051 0.808
H2 2.536 -0.051 -0.808
N3 2.214 -0.542 0.000
H4 0.487 -1.270 0.870
H5 0.487 -1.270 -0.870
C6 0.777 -0.692 0.000
H7 0.257 1.227 0.875
H8 0.257 1.227 -0.875
C9 0.000 0.639 0.000
N10 -2.570 0.247 0.000
C11 -1.455 0.429 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.61660.99922.38512.91592.03902.61343.10782.74955.17854.1002
H21.61660.99922.91592.38512.03903.10782.61342.74955.17854.1002
N30.99920.99922.06622.06621.44442.77902.77902.50904.84883.7952
H42.38512.91592.06621.74051.08442.50793.05542.15383.52262.7236
H52.91592.38512.06621.74051.08443.05542.50792.15383.52262.7236
C62.03902.03901.44441.08441.08442.17212.17211.54103.47682.4980
H72.61343.10782.77902.50793.05542.17211.74981.08533.11792.0818
H83.10782.61342.77903.05542.50792.17211.74981.08533.11792.0818
C92.74952.74952.50902.15382.15381.54101.08531.08532.60001.4700
N105.17855.17854.84883.52263.52263.47683.11793.11792.60001.1301
C114.10024.10023.79522.72362.72362.49802.08182.08181.47001.1301

picture of 3-Aminopropionitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N3 H2 107.990 H1 N3 C6 111.819
H2 N3 C6 111.819 N3 C6 H4 108.747
N3 C6 H5 108.747 N3 C6 C9 114.333
H4 C6 H5 106.733 H4 C6 C9 109.005
H5 C6 C9 109.005 C6 C9 H7 110.398
C6 C9 H8 110.398 C6 C9 C11 112.096
H7 C9 H8 107.446 H7 C9 C11 108.174
H8 C9 C11 108.174 C9 C11 N10 178.927
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.267      
2 H 0.267      
3 N -0.635      
4 H 0.156      
5 H 0.156      
6 C -0.115      
7 H 0.174      
8 H 0.174      
9 C -0.361      
10 N -0.216      
11 C 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.815 1.557 0.000 4.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.084 4.555 0.000
y 4.555 -30.972 0.000
z 0.000 0.000 -27.801
Traceless
 xyz
x -13.698 4.555 0.000
y 4.555 4.470 0.000
z 0.000 0.000 9.227
Polar
3z2-r218.455
x2-y2-12.112
xy4.555
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.927 0.127 0.000
y 0.127 4.996 0.000
z 0.000 0.000 5.020


<r2> (average value of r2) Å2
<r2> 151.062
(<r2>)1/2 12.291