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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-186.982082
Energy at 298.15K-186.986979
HF Energy-186.982082
Nuclear repulsion energy102.652167
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 B3PW91/3-21G
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' 3460 3326 1.35      
2 A' 3077 2958 8.91      
3 A' 2333 2242 0.42      
4 A' 1722 1655 23.94      
5 A' 1514 1455 15.28      
6 A' 1386 1332 0.14      
7 A' 1096 1054 17.95      
8 A' 887 853 27.60      
9 A' 678 652 224.90      
10 A' 608 584 45.97      
11 A' 234 225 9.46      
12 A" 3566 3428 3.71      
13 A" 3120 2999 2.76      
14 A" 1404 1349 0.17      
15 A" 1241 1193 0.00      
16 A" 902 867 0.16      
17 A" 457 439 14.98      
18 A" 307 296 62.86      

Unscaled Zero Point Vibrational Energy (zpe) 13996.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 13453.0 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 B3PW91/3-21G
ABC
0.98775 0.15791 0.14305

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.462 0.695 0.000
C2 0.000 0.829 0.000
C3 0.736 -0.449 0.000
N4 1.263 -1.489 0.000
H5 -1.814 0.235 0.841
H6 -1.814 0.235 -0.841
H7 0.302 1.407 0.881
H8 0.302 1.407 -0.881

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.46842.47863.49261.02101.02102.09702.0970
C21.46841.47512.63992.08552.08551.09641.0964
C32.47861.47511.16572.77112.77112.10002.1000
N43.49262.63991.16573.62603.62603.17603.1760
H51.02102.08552.77113.62601.68242.41922.9694
H61.02102.08552.77113.62601.68242.96942.4192
H72.09701.09642.10003.17602.41922.96941.7624
H82.09701.09642.10003.17602.96942.41921.7624

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.715 N1 C2 H7 108.832
N1 C2 H8 108.832 C2 N1 H5 112.567
C2 N1 H6 112.567 C2 C3 N4 176.914
C3 C2 H7 108.609 C3 C2 H8 108.609
H5 N1 H6 110.952 H7 C2 H8 106.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.668      
2 C -0.344      
3 C 0.334      
4 N -0.491      
5 H 0.301      
6 H 0.301      
7 H 0.283      
8 H 0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.622 1.740 0.000 2.378
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.557 6.932 0.000
y 6.932 -29.300 0.000
z 0.000 0.000 -21.217
Traceless
 xyz
x -0.298 6.932 0.000
y 6.932 -5.913 0.000
z 0.000 0.000 6.211
Polar
3z2-r212.423
x2-y23.743
xy6.932
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.309 -0.900 0.000
y -0.900 4.442 0.000
z 0.000 0.000 3.196


<r2> (average value of r2) Å2
<r2> 83.265
(<r2>)1/2 9.125