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

using model chemistry: TPSSh/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 TPSSh/6-31G**
 hartrees
Energy at 0K-211.402975
Energy at 298.15K-211.410166
HF Energy-211.402975
Nuclear repulsion energy158.455284
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 TPSSh/6-31G**
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' 3145 3015 27.17      
2 A' 3137 3007 42.10      
3 A' 3057 2931 20.29      
4 A' 3046 2920 6.01      
5 A' 2334 2237 8.35      
6 A' 1537 1474 7.67      
7 A' 1527 1464 6.25      
8 A' 1441 1381 1.29      
9 A' 1351 1295 6.19      
10 A' 1199 1149 2.69      
11 A' 1129 1082 4.50      
12 A' 929 891 0.76      
13 A' 769 737 0.59      
14 A' 546 523 1.21      
15 A' 341 327 0.20      
16 A' 279 268 0.86      
17 A' 217 208 1.97      
18 A" 3144 3014 15.67      
19 A" 3134 3005 1.52      
20 A" 3055 2929 19.89      
21 A" 1517 1454 2.10      
22 A" 1514 1452 0.96      
23 A" 1419 1360 1.16      
24 A" 1326 1271 0.78      
25 A" 1128 1082 2.29      
26 A" 972 932 0.15      
27 A" 938 899 2.02      
28 A" 565 542 0.12      
29 A" 226 216 0.01      
30 A" 183 176 4.33      

Unscaled Zero Point Vibrational Energy (zpe) 22552.1 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 21620.7 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 TPSSh/6-31G**
ABC
0.26331 0.13095 0.09579

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.406 -2.189 0.000
C2 0.027 -1.087 0.000
C3 -0.440 0.310 0.000
C4 0.027 1.033 1.279
C5 0.027 1.033 -1.279
H6 -1.537 0.271 0.000
H7 -0.369 2.053 1.285
H8 -0.325 0.518 2.176
H9 1.119 1.085 1.315
H10 -0.369 2.053 -1.285
H11 -0.325 0.518 -2.176
H12 1.119 1.085 -1.315

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16542.63763.48743.48743.13414.49963.54923.59924.49963.54923.5992
C21.16541.47222.47602.47602.07073.41582.72672.76353.41582.72672.7635
C32.63761.47221.54221.54221.09782.16732.18942.18192.16732.18942.1819
C43.48742.47601.54222.55852.15981.09401.09271.09362.78803.51152.8154
C53.48742.47601.54222.55852.15982.78803.51152.81541.09401.09271.0936
H63.13412.07071.09782.15982.15982.48912.50363.07352.48912.50363.0735
H74.49963.41582.16731.09402.78802.48911.77591.77512.57023.78703.1484
H83.54922.72672.18941.09273.51152.50361.77591.77373.78704.35283.8206
H93.59922.76352.18191.09362.81543.07351.77511.77373.14843.82062.6306
H104.49963.41582.16732.78801.09402.48912.57023.78703.14841.77591.7751
H113.54922.72672.18943.51151.09272.50363.78704.35283.82061.77591.7737
H123.59922.76352.18192.81541.09363.07353.14843.82062.63061.77511.7737

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 179.515 C2 C3 C4 110.429
C2 C3 C5 110.429 C2 C3 H6 106.451
C3 C4 H7 109.423 C3 C4 H8 111.242
C3 C4 H9 110.591 C3 C5 H10 109.423
C3 C5 H11 111.242 C3 C5 H12 110.591
C4 C3 C5 112.098 C4 C3 H6 108.619
C5 C3 H6 108.619 H7 C4 H8 108.606
H7 C4 H9 108.471 H8 C4 H9 108.440
H10 C5 H11 108.606 H10 C5 H12 108.471
H11 C5 H12 108.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.495      
2 C 0.365      
3 C -0.179      
4 C -0.355      
5 C -0.355      
6 H 0.172      
7 H 0.133      
8 H 0.146      
9 H 0.144      
10 H 0.133      
11 H 0.146      
12 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.117 3.813 0.000 3.973
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.631 -0.671 0.000
y -0.671 8.293 0.000
z 0.000 0.000 6.226


<r2> (average value of r2) Å2
<r2> 129.450
(<r2>)1/2 11.378