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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-187.808268
Energy at 298.15K-187.812963
HF Energy-187.808268
Nuclear repulsion energy102.816368
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 PBE1PBE/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' 3621 3461 6.63      
2 A' 3089 2953 13.12      
3 A' 2330 2227 1.68      
4 A' 1722 1646 35.36      
5 A' 1508 1442 15.13      
6 A' 1403 1341 2.13      
7 A' 1149 1099 28.88      
8 A' 907 867 38.74      
9 A' 615 588 123.25      
10 A' 555 530 248.66      
11 A' 214 204 9.75      
12 A" 3747 3581 13.46      
13 A" 3138 3000 4.25      
14 A" 1393 1331 0.23      
15 A" 1214 1161 0.84      
16 A" 905 865 1.30      
17 A" 396 379 18.12      
18 A" 264 252 47.06      

Unscaled Zero Point Vibrational Energy (zpe) 14084.3 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 13463.1 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 PBE1PBE/6-31G
ABC
1.01139 0.15709 0.14284

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.440 0.705 0.000
C2 0.000 0.821 0.000
C3 0.733 -0.462 0.000
N4 1.252 -1.511 0.000
H5 -1.858 0.346 0.845
H6 -1.858 0.346 -0.845
H7 0.317 1.400 0.875
H8 0.317 1.400 -0.875

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.44482.46643.48731.00841.00842.08202.0820
C21.44481.47762.64762.09562.09561.09581.0958
C32.46641.47761.17112.84252.84252.09882.0988
N43.48732.64761.17113.72023.72023.18073.1807
H51.00842.09562.84253.72021.68962.41662.9660
H61.00842.09562.84253.72021.68962.96602.4166
H72.08201.09582.09883.18072.41662.96601.7501
H82.08201.09582.09883.18072.96602.41661.7501

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.114 N1 C2 H7 109.300
N1 C2 H8 109.300 C2 N1 H5 116.217
C2 N1 H6 116.217 C2 C3 N4 176.602
C3 C2 H7 108.375 C3 C2 H8 108.375
H5 N1 H6 113.805 H7 C2 H8 105.984
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.725      
2 C -0.242      
3 C 0.163      
4 N -0.315      
5 H 0.326      
6 H 0.326      
7 H 0.234      
8 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.883 2.166 0.000 2.871
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.071 6.782 0.000
y 6.782 -30.157 0.000
z 0.000 0.000 -21.180
Traceless
 xyz
x 0.597 6.782 0.000
y 6.782 -7.031 0.000
z 0.000 0.000 6.434
Polar
3z2-r212.868
x2-y25.086
xy6.782
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.505 -1.027 0.000
y -1.027 4.840 0.000
z 0.000 0.000 3.348


<r2> (average value of r2) Å2
<r2> 83.645
(<r2>)1/2 9.146