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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: mPW1PW91/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-188.118430
Energy at 298.15K-188.123251
HF Energy-188.118430
Nuclear repulsion energy103.709747
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/aug-cc-pVTZ
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' 3552 3403 4.94      
2 A' 3077 2948 8.87      
3 A' 2368 2269 4.64      
4 A' 1673 1603 25.18      
5 A' 1467 1405 7.76      
6 A' 1366 1309 9.40      
7 A' 1126 1078 14.31      
8 A' 932 893 79.92      
9 A' 836 801 96.38      
10 A' 580 556 9.97      
11 A' 219 210 12.35      
12 A" 3633 3481 11.71      
13 A" 3116 2985 1.51      
14 A" 1389 1331 0.00      
15 A" 1198 1148 0.04      
16 A" 894 856 0.02      
17 A" 394 377 5.79      
18 A" 260 249 51.68      

Unscaled Zero Point Vibrational Energy (zpe) 14039.5 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 13451.2 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/aug-cc-pVTZ
ABC
1.02714 0.16002 0.14530

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.445 0.720 0.000
C2 0.000 0.819 0.000
C3 0.718 -0.463 0.000
N4 1.243 -1.485 0.000
H5 -1.773 0.221 0.814
H6 -1.773 0.221 -0.814
H7 0.324 1.387 0.873
H8 0.324 1.387 -0.873

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.44792.46523.47681.01001.01002.08202.0820
C21.44791.46962.61822.04092.04091.09071.0907
C32.46521.46961.14902.70862.70862.08312.0831
N43.47682.61821.14903.55983.55983.13903.1390
H51.01002.04092.70863.55981.62782.40042.9334
H61.01002.04092.70863.55981.62782.93342.4004
H72.08201.09072.08313.13902.40042.93341.7466
H82.08201.09072.08313.13902.93342.40041.7466

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.331 N1 C2 H7 109.388
N1 C2 H8 109.388 C2 N1 H5 111.008
C2 N1 H6 111.008 C2 C3 N4 177.966
C3 C2 H7 107.985 C3 C2 H8 107.985
H5 N1 H6 107.382 H7 C2 H8 106.386
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.435      
2 C 0.191      
3 C 0.168      
4 N -0.521      
5 H 0.077      
6 H 0.077      
7 H 0.221      
8 H 0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.669 2.206 0.000 2.766
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.398 6.897 0.000
y 6.897 -29.869 0.000
z 0.000 0.000 -21.736
Traceless
 xyz
x -0.596 6.897 0.000
y 6.897 -5.802 0.000
z 0.000 0.000 6.398
Polar
3z2-r212.795
x2-y23.471
xy6.897
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.067 -1.122 0.000
y -1.122 6.437 0.000
z 0.000 0.000 4.640


<r2> (average value of r2) Å2
<r2> 82.434
(<r2>)1/2 9.079