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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G**
 hartrees
Energy at 0K-211.104696
Energy at 298.15K-211.111814
HF Energy-211.104696
Nuclear repulsion energy157.943778
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 PBEPBEultrafine/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' 3088 3045 16.87      
2 A' 3081 3038 29.70      
3 A' 2996 2955 15.74      
4 A' 2974 2933 4.85      
5 A' 2275 2244 7.29      
6 A' 1475 1455 9.20      
7 A' 1465 1445 7.86      
8 A' 1382 1363 2.24      
9 A' 1304 1286 5.93      
10 A' 1160 1144 3.19      
11 A' 1091 1076 4.90      
12 A' 915 902 1.81      
13 A' 761 750 0.36      
14 A' 538 531 1.27      
15 A' 342 338 0.14      
16 A' 279 275 0.66      
17 A' 214 211 1.84      
18 A" 3087 3045 11.62      
19 A" 3078 3036 0.24      
20 A" 2994 2953 14.78      
21 A" 1454 1434 2.42      
22 A" 1451 1431 1.50      
23 A" 1361 1342 3.52      
24 A" 1277 1260 0.83      
25 A" 1101 1086 2.59      
26 A" 948 935 0.20      
27 A" 912 899 2.63      
28 A" 555 547 0.10      
29 A" 225 221 0.01      
30 A" 180 178 3.83      

Unscaled Zero Point Vibrational Energy (zpe) 21980.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 21679.1 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 PBEPBEultrafine/6-31G**
ABC
0.26215 0.13025 0.09531

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.407 -2.196 0.000
C2 0.026 -1.086 0.000
C3 -0.438 0.310 0.000
C4 0.026 1.035 1.281
C5 0.026 1.035 -1.281
H6 -1.545 0.272 0.000
H7 -0.371 2.063 1.289
H8 -0.327 0.518 2.186
H9 1.125 1.088 1.320
H10 -0.371 2.063 -1.289
H11 -0.327 0.518 -2.186
H12 1.125 1.088 -1.320

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17392.64553.49703.49703.14654.51743.56153.61214.51743.56153.6121
C21.17391.47162.47802.47802.07623.42552.73412.77113.42552.73412.7711
C32.64551.47161.54341.54341.10702.17652.19862.18952.17652.19862.1895
C43.49702.47801.54342.56212.16591.10161.10031.10142.79613.52302.8246
C53.49702.47801.54342.56212.16592.79613.52302.82461.10161.10031.1014
H63.14652.07621.10702.16592.16592.49972.51443.08872.49972.51443.0887
H74.51743.42552.17651.10162.79612.49971.78701.78582.57783.80303.1617
H83.56152.73412.19861.10033.52302.51441.78701.78423.80304.37183.8377
H93.61212.77112.18951.10142.82463.08871.78581.78423.16173.83772.6406
H104.51743.42552.17652.79611.10162.49972.57783.80303.16171.78701.7858
H113.56152.73412.19863.52301.10032.51443.80304.37183.83771.78701.7842
H123.61212.77112.18952.82461.10143.08873.16173.83772.64061.78581.7842

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 179.454 C2 C3 C4 110.526
C2 C3 C5 110.526 C2 C3 H6 106.391
C3 C4 H7 109.615 C3 C4 H8 111.431
C3 C4 H9 110.645 C3 C5 H10 109.615
C3 C5 H11 111.431 C3 C5 H12 110.645
C4 C3 C5 112.203 C4 C3 H6 108.491
C5 C3 H6 108.491 H7 C4 H8 108.494
H7 C4 H9 108.311 H8 C4 H9 108.261
H10 C5 H11 108.494 H10 C5 H12 108.311
H11 C5 H12 108.261
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.468      
2 C 0.354      
3 C -0.182      
4 C -0.354      
5 C -0.354      
6 H 0.165      
7 H 0.132      
8 H 0.144      
9 H 0.143      
10 H 0.132      
11 H 0.144      
12 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.088 3.740 0.000 3.895
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.205 1.703 0.000
y 1.703 -38.545 0.000
z 0.000 0.000 -29.572
Traceless
 xyz
x 3.854 1.703 0.000
y 1.703 -8.656 0.000
z 0.000 0.000 4.802
Polar
3z2-r29.605
x2-y28.340
xy1.703
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.708 -0.685 0.000
y -0.685 8.466 0.000
z 0.000 0.000 6.353


<r2> (average value of r2) Å2
<r2> 130.031
(<r2>)1/2 11.403