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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-210.078784
Energy at 298.15K-210.086341
HF Energy-210.078784
Nuclear repulsion energy160.121594
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/Def2TZVPP
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' 3250 2945 39.31      
2 A' 3245 2941 54.14      
3 A' 3193 2894 2.39      
4 A' 3177 2879 19.22      
5 A' 2580 2338 18.21      
6 A' 1627 1475 8.92      
7 A' 1618 1466 7.06      
8 A' 1552 1407 2.54      
9 A' 1473 1335 9.75      
10 A' 1293 1172 3.13      
11 A' 1223 1108 5.51      
12 A' 982 890 0.28      
13 A' 809 733 2.79      
14 A' 600 544 1.71      
15 A' 377 342 0.51      
16 A' 310 281 1.90      
17 A' 241 219 2.70      
18 A" 3246 2942 21.04      
19 A" 3237 2934 0.03      
20 A" 3172 2875 21.52      
21 A" 1607 1457 3.06      
22 A" 1606 1455 0.40      
23 A" 1531 1388 2.01      
24 A" 1449 1313 0.23      
25 A" 1218 1104 2.08      
26 A" 1043 945 0.21      
27 A" 1014 919 1.25      
28 A" 632 573 0.13      
29 A" 238 216 0.02      
30 A" 210 191 6.39      

Unscaled Zero Point Vibrational Energy (zpe) 23876.1 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 21641.3 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/Def2TZVPP
ABC
0.26635 0.13394 0.09758

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.383 -2.155 0.000
C2 0.031 -1.089 0.000
C3 -0.434 0.310 0.000
C4 0.031 1.022 1.274
C5 0.031 1.022 -1.274
H6 -1.517 0.266 0.000
H7 -0.356 2.033 1.286
H8 -0.318 0.511 2.161
H9 1.112 1.070 1.315
H10 -0.356 2.033 -1.286
H11 -0.318 0.511 -2.161
H12 1.112 1.070 -1.315

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.12262.59683.44123.44123.07724.44253.50303.55814.44253.50303.5581
C21.12261.47422.46582.46582.05723.39812.71152.74883.39812.71152.7488
C32.59681.47421.53211.53211.08372.15112.17312.16702.15112.17312.1670
C43.44122.46581.53212.54822.14311.08221.08131.08232.77913.49012.8055
C53.44122.46581.53212.54822.14312.77913.49012.80551.08221.08131.0823
H63.07722.05721.08372.14312.14312.47452.48293.04722.47452.48293.0472
H74.44253.39812.15111.08222.77912.47451.75531.75562.57133.76733.1372
H83.50302.71152.17311.08133.49012.48291.75531.75323.76734.32133.7993
H93.55812.74882.16701.08232.80553.04721.75561.75323.13723.79932.6291
H104.44253.39812.15112.77911.08222.47452.57133.76733.13721.75531.7556
H113.50302.71152.17313.49011.08132.48293.76734.32133.79931.75531.7532
H123.55812.74882.16702.80551.08233.04723.13723.79932.62911.75561.7532

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 179.842 C2 C3 C4 110.194
C2 C3 C5 110.194 C2 C3 H6 106.065
C3 C4 H7 109.528 C3 C4 H8 111.342
C3 C4 H9 110.787 C3 C5 H10 109.528
C3 C5 H11 111.342 C3 C5 H12 110.787
C4 C3 C5 112.525 C4 C3 H6 108.818
C5 C3 H6 108.818 H7 C4 H8 108.449
H7 C4 H9 108.401 H8 C4 H9 108.252
H10 C5 H11 108.449 H10 C5 H12 108.401
H11 C5 H12 108.252
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.130      
2 C -0.206      
3 C 0.233      
4 C -0.194      
5 C -0.194      
6 H 0.050      
7 H 0.068      
8 H 0.082      
9 H 0.070      
10 H 0.068      
11 H 0.082      
12 H 0.070      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.238 4.165 0.000 4.345
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.840 1.832 0.000
y 1.832 -40.235 0.000
z 0.000 0.000 -30.384
Traceless
 xyz
x 4.470 1.832 0.000
y 1.832 -9.623 0.000
z 0.000 0.000 5.153
Polar
3z2-r210.307
x2-y29.395
xy1.832
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.149 -0.512 0.000
y -0.512 8.464 0.000
z 0.000 0.000 6.834


<r2> (average value of r2) Å2
<r2> 128.104
(<r2>)1/2 11.318