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

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-226.159359
Energy at 298.15K-226.166459
Nuclear repulsion energy153.653924
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3437 3317 0.29      
2 A' 3077 2969 25.75      
3 A' 3054 2947 3.21      
4 A' 2345 2262 7.67      
5 A' 1719 1659 22.58      
6 A' 1544 1489 5.88      
7 A' 1527 1473 5.00      
8 A' 1402 1353 8.29      
9 A' 1332 1285 1.72      
10 A' 1097 1059 15.49      
11 A' 957 924 10.61      
12 A' 950 917 17.40      
13 A' 594 573 345.52      
14 A' 560 540 0.24      
15 A' 380 366 11.96      
16 A' 178 172 4.50      
17 A" 3539 3415 0.15      
18 A" 3126 3017 20.34      
19 A" 3090 2981 0.51      
20 A" 1404 1354 0.17      
21 A" 1342 1295 0.29      
22 A" 1207 1165 0.02      
23 A" 980 946 0.25      
24 A" 771 744 3.07      
25 A" 459 443 0.25      
26 A" 325 313 54.81      
27 A" 110 106 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 20251.4 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 19540.6 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/3-21G
ABC
0.82058 0.07499 0.07138

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.601 -0.160 0.844
H2 2.601 -0.160 -0.844
N3 2.222 -0.592 0.000
H4 0.460 -1.291 0.883
H5 0.460 -1.291 -0.883
C6 0.765 -0.722 0.000
H7 0.298 1.225 0.887
H8 0.298 1.225 -0.887
C9 0.000 0.652 0.000
N10 -2.598 0.305 0.000
C11 -1.447 0.480 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.68791.02082.42132.97402.09712.68753.19632.85235.28724.1838
H21.68791.02082.97402.42132.09713.19632.68752.85235.28724.1838
N31.02081.02082.09142.09141.46292.79112.79112.54664.90283.8223
H42.42132.97402.09141.76661.09402.52123.08052.18293.56032.7480
H52.97402.42132.09141.76661.09403.08052.52122.18293.56032.7480
C62.09712.09711.46291.09401.09402.19002.19001.57243.51622.5174
H72.68753.19632.79112.52123.08052.19001.77351.09743.16572.0944
H83.19632.68752.79113.08052.52122.19001.77351.09743.16572.0944
C92.85232.85232.54662.18292.18291.57241.09741.09742.62091.4568
N105.28725.28724.90283.56033.56033.51623.16573.16572.62091.1645
C114.18384.18383.82232.74802.74802.51742.09442.09441.45681.1645

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 111.539 H1 N3 C6 114.014
H2 N3 C6 114.014 N3 C6 H4 108.905
N3 C6 H5 108.905 N3 C6 C9 114.018
H4 C6 H5 107.690 H4 C6 C9 108.571
H5 C6 C9 108.571 C6 C9 H7 108.927
C6 C9 H8 108.927 C6 C9 C11 112.356
H7 C9 H8 107.806 H7 C9 C11 109.359
H8 C9 C11 109.359 C9 C11 N10 178.090
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.272     0.404
2 H 0.272     0.404
3 N -0.656     -1.057
4 H 0.222     0.025
5 H 0.222     0.025
6 C -0.200     0.369
7 H 0.239     0.127
8 H 0.239     0.127
9 C -0.466     -0.328
10 N -0.480     -0.428
11 C 0.338     0.331


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.666 1.386 0.000 3.919
CHELPG        
AIM        
ESP 3.697 1.388 0.000 3.949


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.764 4.782 0.000
y 4.782 -31.380 0.000
z 0.000 0.000 -27.719
Traceless
 xyz
x -11.214 4.782 0.000
y 4.782 2.861 0.000
z 0.000 0.000 8.353
Polar
3z2-r216.706
x2-y2-9.384
xy4.782
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.991 0.054 0.000
y 0.054 4.235 0.000
z 0.000 0.000 4.536


<r2> (average value of r2) Å2
<r2> 153.905
(<r2>)1/2 12.406