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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: HF/CEP-31G*

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-31G*
 hartrees
Energy at 0K-32.642779
Energy at 298.15K-32.647763
HF Energy-32.642779
Nuclear repulsion energy55.950210
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-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' 3760 3377 2.93      
2 A' 3298 2962 25.33      
3 A' 2596 2332 6.96      
4 A' 1834 1647 32.62      
5 A' 1606 1443 4.42      
6 A' 1489 1337 34.63      
7 A' 1194 1072 17.21      
8 A' 1018 914 231.61      
9 A' 897 805 27.08      
10 A' 613 551 14.63      
11 A' 239 215 17.07      
12 A" 3853 3460 7.04      
13 A" 3353 3011 15.75      
14 A" 1500 1347 0.17      
15 A" 1294 1162 0.08      
16 A" 959 861 0.91      
17 A" 424 380 8.61      
18 A" 291 262 72.38      

Unscaled Zero Point Vibrational Energy (zpe) 15108.8 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 13567.7 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-31G*
ABC
1.01805 0.15609 0.14191

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.452 0.741 0.000
C2 0.000 0.840 0.000
C3 0.720 -0.487 0.000
N4 1.249 -1.510 0.000
H5 -1.779 0.245 0.812
H6 -1.779 0.245 -0.812
H7 0.328 1.388 0.878
H8 0.328 1.388 -0.878

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.45542.49533.51631.00561.00562.08812.0881
C21.45541.50942.66122.04342.04341.08621.0862
C32.49531.50941.15202.72752.72752.10722.1072
N43.51632.66121.15203.59273.59273.16553.1655
H51.00562.04342.72753.59271.62352.39802.9328
H61.00562.04342.72753.59271.62352.93282.3980
H72.08811.08622.10723.16552.39802.93281.7559
H82.08811.08622.10723.16552.93282.39801.7559

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.620 N1 C2 H7 109.631
N1 C2 H8 109.631 C2 N1 H5 110.937
C2 N1 H6 110.937 C2 C3 N4 178.813
C3 C2 H7 107.435 C3 C2 H8 107.435
H5 N1 H6 107.655 H7 C2 H8 107.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.637      
2 C 0.022      
3 C -0.631      
4 N 0.335      
5 H 0.304      
6 H 0.304      
7 H 0.152      
8 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.602 2.067 0.000 2.615
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.806 7.666 0.000
y 7.666 -30.536 0.000
z 0.000 0.000 -21.601
Traceless
 xyz
x -0.737 7.666 0.000
y 7.666 -6.333 0.000
z 0.000 0.000 7.070
Polar
3z2-r214.140
x2-y23.731
xy7.666
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.499 -0.882 0.000
y -0.882 4.936 0.000
z 0.000 0.000 3.569


<r2> (average value of r2) Å2
<r2> 68.149
(<r2>)1/2 8.255