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

using model chemistry: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-210.022938
Energy at 298.15K-210.030506
HF Energy-210.022938
Nuclear repulsion energy159.414543
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 HF/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3264 2972 38.67      
2 A' 3258 2967 58.45      
3 A' 3207 2920 2.63      
4 A' 3182 2897 20.07      
5 A' 2572 2342 19.62      
6 A' 1608 1465 8.46      
7 A' 1598 1455 6.79      
8 A' 1535 1398 2.98      
9 A' 1460 1329 10.94      
10 A' 1285 1170 3.27      
11 A' 1212 1103 5.55      
12 A' 987 899 0.26      
13 A' 810 738 3.07      
14 A' 596 542 1.70      
15 A' 380 346 0.47      
16 A' 312 284 1.80      
17 A' 242 220 3.04      
18 A" 3260 2969 21.50      
19 A" 3250 2960 0.03      
20 A" 3177 2893 21.98      
21 A" 1587 1445 2.85      
22 A" 1585 1444 0.35      
23 A" 1515 1379 2.42      
24 A" 1437 1308 0.19      
25 A" 1219 1110 1.83      
26 A" 1041 948 0.38      
27 A" 1003 914 1.21      
28 A" 625 569 0.13      
29 A" 240 218 0.01      
30 A" 209 190 6.64      

Unscaled Zero Point Vibrational Energy (zpe) 23826.7 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 21696.6 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 HF/aug-cc-pVDZ
ABC
0.26489 0.13269 0.09680

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.395 -2.169 0.000
C2 0.029 -1.092 0.000
C3 -0.436 0.314 0.000
C4 0.029 1.027 1.276
C5 0.029 1.027 -1.276
H6 -1.526 0.269 0.000
H7 -0.361 2.044 1.287
H8 -0.327 0.511 2.166
H9 1.117 1.074 1.318
H10 -0.361 2.044 -1.287
H11 -0.327 0.511 -2.166
H12 1.117 1.074 -1.318

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.13732.61863.46053.46053.10364.46943.52103.57424.46943.52103.5742
C21.13731.48132.47342.47342.06643.41222.71862.75893.41222.71862.7589
C32.61861.48131.53381.53381.09012.15712.17812.17402.15712.17812.1740
C43.46052.47341.53382.55202.14921.08961.08861.08952.78473.49892.8131
C53.46052.47341.53382.55202.14922.78473.49892.81311.08961.08861.0895
H63.10362.06641.09012.14922.14922.48212.48793.06052.48212.48793.0605
H74.46943.41222.15711.08962.78472.48211.76751.76832.57343.77813.1480
H83.52102.71862.17811.08863.49892.48791.76751.76633.77814.33283.8131
H93.57422.75892.17401.08952.81313.06051.76831.76633.14803.81312.6357
H104.46943.41222.15712.78471.08962.48212.57343.77813.14801.76751.7683
H113.52102.71862.17813.49891.08862.48793.77814.33283.81311.76751.7663
H123.57422.75892.17402.81311.08953.06053.14803.81312.63571.76831.7663

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 179.561 C2 C3 C4 110.223
C2 C3 C5 110.223 C2 C3 H6 105.948
C3 C4 H7 109.456 C3 C4 H8 111.179
C3 C4 H9 110.799 C3 C5 H10 109.456
C3 C5 H11 111.179 C3 C5 H12 110.799
C4 C3 C5 112.588 C4 C3 H6 108.810
C5 C3 H6 108.810 H7 C4 H8 108.476
H7 C4 H9 108.484 H8 C4 H9 108.374
H10 C5 H11 108.476 H10 C5 H12 108.484
H11 C5 H12 108.374
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.299      
2 C -0.239      
3 C -0.595      
4 C 0.730      
5 C 0.730      
6 H -0.019      
7 H -0.064      
8 H -0.073      
9 H -0.017      
10 H -0.064      
11 H -0.073      
12 H -0.017      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.255 4.212 0.000 4.395
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.997 1.858 0.000
y 1.858 -40.508 0.000
z 0.000 0.000 -30.521
Traceless
 xyz
x 4.518 1.858 0.000
y 1.858 -9.749 0.000
z 0.000 0.000 5.231
Polar
3z2-r210.463
x2-y29.511
xy1.858
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.476 -0.487 0.000
y -0.487 8.814 0.000
z 0.000 0.000 7.224


<r2> (average value of r2) Å2
<r2> 129.084
(<r2>)1/2 11.362