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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-36.697597
Energy at 298.15K-36.704719
HF Energy-36.697597
Nuclear repulsion energy85.539514
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 B3LYP/CEP-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' 3139 3031 53.56      
2 A' 3131 3023 58.32      
3 A' 3066 2961 8.60      
4 A' 3055 2950 24.07      
5 A' 2334 2254 14.83      
6 A' 1510 1458 11.46      
7 A' 1500 1449 9.53      
8 A' 1422 1374 3.32      
9 A' 1339 1293 8.32      
10 A' 1182 1142 4.57      
11 A' 1115 1077 8.48      
12 A' 920 889 0.68      
13 A' 762 736 0.79      
14 A' 535 517 1.65      
15 A' 343 331 0.15      
16 A' 277 268 0.51      
17 A' 213 206 1.56      
18 A" 3135 3027 17.55      
19 A" 3126 3019 5.00      
20 A" 3053 2948 25.23      
21 A" 1490 1439 3.28      
22 A" 1488 1437 1.20      
23 A" 1403 1354 2.54      
24 A" 1312 1267 0.44      
25 A" 1123 1085 2.62      
26 A" 962 929 0.30      
27 A" 930 898 3.30      
28 A" 553 534 0.70      
29 A" 221 214 0.00      
30 A" 183 177 3.43      

Unscaled Zero Point Vibrational Energy (zpe) 22410.7 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 21642.0 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 B3LYP/CEP-31G*
ABC
0.25871 0.12847 0.09415

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.420 -2.208 0.000
C2 0.026 -1.096 0.000
C3 -0.454 0.318 0.000
C4 0.026 1.041 1.289
C5 0.026 1.041 -1.289
H6 -1.557 0.272 0.000
H7 -0.364 2.073 1.297
H8 -0.328 0.524 2.195
H9 1.128 1.085 1.322
H10 -0.364 2.073 -1.297
H11 -0.328 0.524 -2.195
H12 1.128 1.085 -1.322

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17972.67293.51783.51783.17184.54183.58373.61884.54183.58373.6188
C21.17971.49332.49582.49582.09263.44662.75112.77833.44662.75112.7783
C32.67291.49331.55421.55421.10352.18462.20832.19982.18462.20832.1998
C43.51782.49581.55422.57782.18141.10341.10201.10262.81173.53992.8341
C53.51782.49581.55422.57782.18142.81173.53992.83411.10341.10201.1026
H63.17182.09261.10352.18142.18142.51962.52793.10072.51962.52793.1007
H74.54183.44662.18461.10342.81172.51961.79081.78932.59463.82073.1722
H83.58372.75112.20831.10203.53992.52791.79081.78803.82074.39003.8478
H93.61882.77832.19981.10262.83413.10071.78931.78803.17223.84782.6443
H104.54183.44662.18462.81171.10342.51962.59463.82073.17221.79081.7893
H113.58372.75112.20833.53991.10202.52793.82074.39003.84781.79081.7880
H123.61882.77832.19982.83411.10263.10073.17223.84782.64431.78931.7880

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 179.289 C2 C3 C4 109.949
C2 C3 C5 109.949 C2 C3 H6 106.417
C3 C4 H7 109.405 C3 C4 H8 111.339
C3 C4 H9 110.638 C3 C5 H10 109.405
C3 C5 H11 111.339 C3 C5 H12 110.638
C4 C3 C5 112.053 C4 C3 H6 109.153
C5 C3 H6 109.153 H7 C4 H8 108.586
H7 C4 H9 108.410 H8 C4 H9 108.390
H10 C5 H11 108.586 H10 C5 H12 108.410
H11 C5 H12 108.390
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.372      
2 C -0.650      
3 C 0.093      
4 C -0.511      
5 C -0.511      
6 H 0.161      
7 H 0.172      
8 H 0.189      
9 H 0.163      
10 H 0.172      
11 H 0.189      
12 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.199 4.002 0.000 4.178
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.103 1.715 0.000
y 1.715 -38.940 0.000
z 0.000 0.000 -29.828
Traceless
 xyz
x 4.281 1.715 0.000
y 1.715 -8.975 0.000
z 0.000 0.000 4.694
Polar
3z2-r29.387
x2-y28.837
xy1.715
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.623 -0.617 0.000
y -0.617 8.290 0.000
z 0.000 0.000 6.394


<r2> (average value of r2) Å2
<r2> 107.372
(<r2>)1/2 10.362