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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-188.050473
Energy at 298.15K-188.055321
HF Energy-188.050473
Nuclear repulsion energy103.329362
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 mPW1PW91/6-31G**
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' 3562 3389 2.30      
2 A' 3094 2944 10.44      
3 A' 2386 2271 3.12      
4 A' 1688 1606 26.47      
5 A' 1478 1406 8.21      
6 A' 1373 1306 8.90      
7 A' 1140 1084 12.67      
8 A' 940 894 121.10      
9 A' 854 813 100.82      
10 A' 579 551 11.10      
11 A' 216 205 12.10      
12 A" 3654 3477 6.28      
13 A" 3141 2989 3.37      
14 A" 1397 1329 0.02      
15 A" 1202 1143 0.04      
16 A" 900 856 0.04      
17 A" 409 389 15.79      
18 A" 281 268 54.23      

Unscaled Zero Point Vibrational Energy (zpe) 14146.4 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 13460.3 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 mPW1PW91/6-31G**
ABC
1.01369 0.15928 0.14445

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.446 0.724 0.000
C2 0.000 0.826 0.000
C3 0.722 -0.460 0.000
N4 1.239 -1.498 0.000
H5 -1.763 0.212 0.814
H6 -1.763 0.212 -0.814
H7 0.323 1.397 0.876
H8 0.323 1.397 -0.876

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.44982.47093.48521.01321.01322.08512.0851
C21.44981.47542.63352.03702.03701.09381.0938
C32.47091.47541.15902.70012.70012.09182.0918
N43.48522.63351.15903.54903.54903.15993.1599
H51.01322.03702.70013.54901.62882.39972.9344
H61.01322.03702.70013.54901.62882.93442.3997
H72.08511.09382.09183.15992.39972.93441.7513
H82.08511.09382.09183.15992.93442.39971.7513

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.276 N1 C2 H7 109.319
N1 C2 H8 109.319 C2 N1 H5 110.332
C2 N1 H6 110.332 C2 C3 N4 177.165
C3 C2 H7 108.095 C3 C2 H8 108.095
H5 N1 H6 106.987 H7 C2 H8 106.364
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.616      
2 C -0.181      
3 C 0.331      
4 N -0.479      
5 H 0.278      
6 H 0.278      
7 H 0.194      
8 H 0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.595 1.947 0.000 2.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.737 6.917 0.000
y 6.917 -29.241 0.000
z 0.000 0.000 -21.283
Traceless
 xyz
x -0.475 6.917 0.000
y 6.917 -5.731 0.000
z 0.000 0.000 6.206
Polar
3z2-r212.411
x2-y23.504
xy6.917
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.674 -0.974 0.000
y -0.974 5.120 0.000
z 0.000 0.000 3.546


<r2> (average value of r2) Å2
<r2> 82.409
(<r2>)1/2 9.078