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

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-39.205263
Energy at 298.15K-39.212355
Nuclear repulsion energy84.428366
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/CEP-121G
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' 3769 3439 2.17      
2 A' 3200 2920 57.03      
3 A' 3193 2913 5.59      
4 A' 2473 2257 18.92      
5 A' 1832 1672 46.40      
6 A' 1641 1498 6.25      
7 A' 1619 1477 6.55      
8 A' 1525 1391 18.14      
9 A' 1435 1309 0.43      
10 A' 1195 1090 52.05      
11 A' 1094 998 13.73      
12 A' 992 906 15.02      
13 A' 562 512 2.96      
14 A' 511 466 376.77      
15 A' 399 364 44.58      
16 A' 182 166 5.69      
17 A" 3906 3564 4.64      
18 A" 3268 2982 55.35      
19 A" 3241 2958 0.32      
20 A" 1483 1353 0.28      
21 A" 1412 1289 0.52      
22 A" 1264 1154 0.06      
23 A" 1038 948 0.37      
24 A" 827 755 1.92      
25 A" 424 386 0.02      
26 A" 266 242 40.69      
27 A" 110 100 2.60      

Unscaled Zero Point Vibrational Energy (zpe) 21428.8 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 19553.8 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 HF/CEP-121G
ABC
0.84203 0.07467 0.07119

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.537 -0.497 0.838
H2 2.537 -0.497 -0.838
N3 2.073 -0.773 0.000
H4 0.264 -1.307 0.871
H5 0.264 -1.307 -0.871
C6 0.617 -0.766 0.000
H7 0.334 1.210 0.875
H8 0.334 1.210 -0.875
C9 0.000 0.663 0.000
N10 -2.636 0.588 0.000
C11 -1.481 0.631 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.67510.99622.41272.95612.11182.78753.27152.91255.35134.2567
H21.67510.99622.95612.41272.11183.27152.78752.91255.35134.2567
N30.99620.99622.07752.07751.45662.77992.77992.52234.90223.8222
H42.41272.95612.07751.74161.08402.51793.06412.16983.57212.7498
H52.95612.41272.07751.74161.08403.06412.51792.16983.57212.7498
C62.11182.11181.45661.08401.08402.17992.17991.55643.52342.5209
H72.78753.27152.77992.51793.06412.17991.75061.08493.15772.0964
H83.27152.78752.77993.06412.51792.17991.75061.08493.15772.0964
C92.91252.91252.52232.16982.16981.55641.08491.08492.63701.4816
N105.35135.35134.90223.57213.57213.52343.15773.15772.63701.1555
C114.25674.25673.82222.74982.74982.52092.09642.09641.48161.1555

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 114.432 H1 N3 C6 117.625
H2 N3 C6 117.625 N3 C6 H4 108.831
N3 C6 H5 108.831 N3 C6 C9 113.637
H4 C6 H5 106.899 H4 C6 C9 109.212
H5 C6 C9 109.212 C6 C9 H7 109.953
C6 C9 H8 109.953 C6 C9 C11 112.130
H7 C9 H8 107.576 H7 C9 C11 108.552
H8 C9 C11 108.552 C9 C11 N10 179.075
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.296      
2 H 0.296      
3 N -0.700      
4 H 0.162      
5 H 0.162      
6 C -0.149      
7 H 0.174      
8 H 0.174      
9 C -0.257      
10 N 0.142      
11 C -0.298      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.334 0.886 0.000 4.423
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.220 5.510 0.000
y 5.510 -33.292 0.000
z 0.000 0.000 -28.045
Traceless
 xyz
x -12.552 5.510 0.000
y 5.510 2.341 0.000
z 0.000 0.000 10.211
Polar
3z2-r220.422
x2-y2-9.929
xy5.510
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.029 -0.225 0.000
y -0.225 4.926 0.000
z 0.000 0.000 4.955


<r2> (average value of r2) Å2
<r2> 123.246
(<r2>)1/2 11.102