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All results from a given calculation for CH3CH(CH3)CN (Propanenitrile, 2-methyl-)

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-210.186434
Energy at 298.15K-210.193574
HF Energy-210.186434
Nuclear repulsion energy159.518110
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 LSDA/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' 3097 3039 8.56      
2 A' 3086 3029 17.67      
3 A' 3001 2945 11.92      
4 A' 2972 2917 2.65      
5 A' 2324 2281 10.20      
6 A' 1471 1444 13.21      
7 A' 1459 1432 14.62      
8 A' 1378 1352 7.14      
9 A' 1314 1289 4.88      
10 A' 1169 1147 2.64      
11 A' 1095 1075 5.91      
12 A' 941 924 3.79      
13 A' 787 773 0.52      
14 A' 547 537 1.58      
15 A' 343 337 0.15      
16 A' 282 276 0.62      
17 A' 215 211 2.04      
18 A" 3097 3039 7.41      
19 A" 3085 3027 0.01      
20 A" 3000 2944 8.84      
21 A" 1446 1419 5.21      
22 A" 1443 1416 1.08      
23 A" 1357 1331 12.50      
24 A" 1278 1254 0.15      
25 A" 1131 1110 1.30      
26 A" 957 939 0.74      
27 A" 908 892 3.99      
28 A" 563 553 0.01      
29 A" 228 223 0.02      
30 A" 178 175 3.99      

Unscaled Zero Point Vibrational Energy (zpe) 22075.5 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 21662.6 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 LSDA/6-31G*
ABC
0.26945 0.13304 0.09781

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.412 -2.172 0.000
C2 0.024 -1.071 0.000
C3 -0.441 0.305 0.000
C4 0.024 1.021 1.259
C5 0.024 1.021 -1.259
H6 -1.550 0.268 0.000
H7 -0.369 2.052 1.266
H8 -0.318 0.509 2.172
H9 1.126 1.074 1.286
H10 -0.369 2.052 -1.266
H11 -0.318 0.509 -2.172
H12 1.126 1.074 -1.286

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16712.61933.45383.45383.13044.47783.52633.56344.47783.52633.5634
C21.16711.45222.44142.44142.06633.39232.70732.73273.39232.70732.7327
C32.61931.45221.52121.52121.10912.15862.18492.16852.15862.18492.1685
C43.45382.44141.52122.51752.15141.10321.10181.10342.75503.48562.7739
C53.45382.44141.52122.51752.15142.75503.48562.77391.10321.10181.1034
H63.13042.06631.10912.15142.15142.48562.50823.07622.48562.50823.0762
H74.47783.39232.15861.10322.75502.48561.79031.78662.53153.76853.1154
H83.52632.70732.18491.10183.48562.50821.79031.78593.76854.34383.7902
H93.56342.73272.16851.10342.77393.07621.78661.78593.11543.79022.5730
H104.47783.39232.15862.75501.10322.48562.53153.76853.11541.79031.7866
H113.52632.70732.18493.48561.10182.50823.76854.34383.79021.79031.7859
H123.56342.73272.16852.77391.10343.07623.11543.79022.57301.78661.7859

picture of Propanenitrile, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.302 C2 C3 C4 110.365
C2 C3 C5 110.365 C2 C3 H6 106.796
C3 C4 H7 109.647 C3 C4 H8 111.818
C3 C4 H9 110.410 C3 C5 H10 109.647
C3 C5 H11 111.818 C3 C5 H12 110.410
C4 C3 C5 111.673 C4 C3 H6 108.746
C5 C3 H6 108.746 H7 C4 H8 108.572
H7 C4 H9 108.131 H8 C4 H9 108.167
H10 C5 H11 108.572 H10 C5 H12 108.131
H11 C5 H12 108.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.439      
2 C 0.333      
3 C -0.214      
4 C -0.532      
5 C -0.532      
6 H 0.216      
7 H 0.187      
8 H 0.201      
9 H 0.196      
10 H 0.187      
11 H 0.201      
12 H 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.136 3.778 0.000 3.945
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.153 1.740 0.000
y 1.740 -38.547 0.000
z 0.000 0.000 -29.567
Traceless
 xyz
x 3.904 1.740 0.000
y 1.740 -8.687 0.000
z 0.000 0.000 4.783
Polar
3z2-r29.567
x2-y28.394
xy1.740
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.685 -0.691 0.000
y -0.691 8.311 0.000
z 0.000 0.000 6.238


<r2> (average value of r2) Å2
<r2> 127.476
(<r2>)1/2 11.291