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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-211.095586
Energy at 298.15K-211.102702
HF Energy-211.095586
Nuclear repulsion energy157.902220
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
(Å4/u)
Dep P Dep U
1 A' 3085 3034 18.25      
2 A' 3078 3028 31.92      
3 A' 2998 2949 16.37      
4 A' 2972 2923 5.56      
5 A' 2276 2238 7.26      
6 A' 1492 1467 10.10      
7 A' 1482 1457 8.56      
8 A' 1397 1374 2.44      
9 A' 1317 1296 5.85      
10 A' 1168 1149 3.24      
11 A' 1101 1083 5.10      
12 A' 918 903 1.78      
13 A' 763 750 0.38      
14 A' 539 530 1.27      
15 A' 343 337 0.14      
16 A' 279 275 0.67      
17 A' 214 211 1.84      
18 A" 3085 3034 12.56      
19 A" 3075 3025 0.32      
20 A" 2996 2947 15.50      
21 A" 1471 1446 2.59      
22 A" 1468 1444 1.66      
23 A" 1375 1352 3.83      
24 A" 1289 1267 0.84      
25 A" 1107 1088 2.45      
26 A" 954 938 0.17      
27 A" 918 903 2.61      
28 A" 556 547 0.10      
29 A" 225 221 0.01      
30 A" 181 178 3.87      

Unscaled Zero Point Vibrational Energy (zpe) 22060.0 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 21696.0 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 PBEPBEultrafine/6-31G*
ABC
0.26202 0.13024 0.09532

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 0.409 -2.196 0.000
C2 0.026 -1.086 0.000
C3 -0.440 0.310 0.000
C4 0.026 1.035 1.281
C5 0.026 1.035 -1.281
H6 -1.547 0.275 0.000
H7 -0.371 2.064 1.288
H8 -0.328 0.517 2.187
H9 1.127 1.087 1.320
H10 -0.371 2.064 -1.288
H11 -0.328 0.517 -2.187
H12 1.127 1.087 -1.320

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17392.64583.49653.49653.15114.51813.56193.61054.51813.56193.6105
C21.17391.47192.47792.47792.07993.42652.73482.77093.42652.73482.7709
C32.64581.47191.54371.54371.10782.17722.19962.19092.17722.19962.1909
C43.49652.47791.54372.56202.16631.10291.10171.10272.79593.52412.8249
C53.49652.47791.54372.56202.16632.79593.52412.82491.10291.10171.1027
H63.15112.07991.10782.16632.16632.49892.51563.09052.49892.51563.0905
H74.51813.42652.17721.10292.79592.49891.78931.78812.57643.80403.1623
H83.56192.73482.19961.10173.52412.51561.78931.78643.80404.37393.8392
H93.61052.77092.19091.10272.82493.09051.78811.78643.16233.83922.6403
H104.51813.42652.17722.79591.10292.49892.57643.80403.16231.78931.7881
H113.56192.73482.19963.52411.10172.51563.80404.37393.83921.78931.7864
H123.61052.77092.19092.82491.10273.09053.16233.83922.64031.78811.7864

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 179.398 C2 C3 C4 110.485
C2 C3 C5 110.485 C2 C3 H6 106.610
C3 C4 H7 109.574 C3 C4 H8 111.408
C3 C4 H9 110.662 C3 C5 H10 109.574
C3 C5 H11 111.408 C3 C5 H12 110.662
C4 C3 C5 112.158 C4 C3 H6 108.452
C5 C3 H6 108.452 H7 C4 H8 108.511
H7 C4 H9 108.333 H8 C4 H9 108.271
H10 C5 H11 108.511 H10 C5 H12 108.333
H11 C5 H12 108.271
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 0.363      
3 C -0.206      
4 C -0.479      
5 C -0.479      
6 H 0.199      
7 H 0.171      
8 H 0.183      
9 H 0.180      
10 H 0.171      
11 H 0.183      
12 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.099 3.731 0.000 3.889
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.194 1.696 0.000
y 1.696 -38.558 0.000
z 0.000 0.000 -29.636
Traceless
 xyz
x 3.903 1.696 0.000
y 1.696 -8.643 0.000
z 0.000 0.000 4.740
Polar
3z2-r29.480
x2-y28.364
xy1.696
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.647 -0.693 0.000
y -0.693 8.389 0.000
z 0.000 0.000 6.265


<r2> (average value of r2) Å2
<r2> 130.064
(<r2>)1/2 11.405