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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-210.979324
Energy at 298.15K-210.972403
HF Energy-209.997205
Nuclear repulsion energy159.505332
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 CBS-Q
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' 3285 3285 39.55      
2 A' 3280 3280 54.65      
3 A' 3223 3223 4.34      
4 A' 3203 3203 19.67      
5 A' 2612 2612 16.80      
6 A' 1645 1645 8.07      
7 A' 1635 1635 5.56      
8 A' 1564 1564 2.52      
9 A' 1481 1481 9.51      
10 A' 1297 1297 3.17      
11 A' 1227 1227 6.19      
12 A' 991 991 0.39      
13 A' 814 814 3.22      
14 A' 598 598 1.82      
15 A' 377 377 0.48      
16 A' 312 312 1.86      
17 A' 242 242 2.90      
18 A" 3282 3282 20.48      
19 A" 3273 3273 0.54      
20 A" 3199 3199 23.64      
21 A" 1625 1625 2.83      
22 A" 1622 1622 0.07      
23 A" 1543 1543 1.69      
24 A" 1455 1455 0.27      
25 A" 1224 1224 1.46      
26 A" 1045 1045 0.37      
27 A" 1015 1015 1.39      
28 A" 626 626 0.10      
29 A" 244 244 0.01      
30 A" 208 208 6.51      

Unscaled Zero Point Vibrational Energy (zpe) 24073.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 24073.9 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 CBS-Q
ABC
0.26447 0.13037 0.09580

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.399 -2.166 0.000
C2 0.028 -1.093 0.000
C3 -0.440 0.311 0.000
C4 0.028 1.026 1.276
C5 0.028 1.026 -1.276
H6 -1.527 0.270 0.000
H7 -0.360 2.042 1.289
H8 -0.324 0.514 2.167
H9 1.114 1.075 1.318
H10 -0.360 2.042 -1.289
H11 -0.324 0.514 -2.167
H12 1.114 1.075 -1.318

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.13492.61523.45773.45773.10474.46593.52143.56994.46593.52143.5699
C21.13491.48032.47422.47422.06753.41222.72102.75903.41222.72102.7590
C32.61521.48031.53601.53601.08782.15982.17982.17502.15982.17982.1750
C43.45772.47421.53602.55272.14941.08741.08641.08712.78673.49932.8122
C53.45772.47421.53602.55272.14942.78673.49932.81221.08741.08641.0871
H63.10472.06751.08782.14942.14942.48332.49073.05852.48332.49073.0585
H74.46593.41222.15981.08742.78672.48331.76271.76292.57893.77963.1470
H83.52142.72102.17981.08643.49932.49071.76271.76133.77964.33453.8111
H93.56992.75902.17501.08712.81223.05851.76291.76133.14703.81112.6352
H104.46593.41222.15982.78671.08742.48332.57893.77963.14701.76271.7629
H113.52142.72102.17983.49931.08642.49073.77964.33453.81111.76271.7613
H123.56992.75902.17502.81221.08713.05853.14703.81112.63521.76291.7613

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 179.338 C2 C3 C4 110.205
C2 C3 C5 110.205 C2 C3 H6 106.221
C3 C4 H7 109.644 C3 C4 H8 111.290
C3 C4 H9 110.867 C3 C5 H10 109.644
C3 C5 H11 111.290 C3 C5 H12 110.867
C4 C3 C5 112.391 C4 C3 H6 108.804
C5 C3 H6 108.804 H7 C4 H8 108.369
H7 C4 H9 108.328 H8 C4 H9 108.255
H10 C5 H11 108.369 H10 C5 H12 108.328
H11 C5 H12 108.255
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability