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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: QCISD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-210.797725
Energy at 298.15K-210.804944
HF Energy-210.008622
Nuclear repulsion energy152.525553
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 QCISD(T)/cc-pVDZ
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' 3135 2988        
2 A' 3061 2918        
3 A' 3056 2912        
4 A' 3041 2898        
5 A' 2273 2166        
6 A' 1496 1426        
7 A' 1482 1412        
8 A' 1463 1394        
9 A' 1414 1348        
10 A' 1388 1323        
11 A' 1292 1231        
12 A' 1118 1065        
13 A' 1072 1021        
14 A' 961 916        
15 A' 879 838        
16 A' 513 489        
17 A' 341 325        
18 A' 161 154        
19 A" 3128 2981        
20 A" 3113 2967        
21 A" 3095 2950        
22 A" 1488 1418        
23 A" 1319 1257        
24 A" 1253 1195        
25 A" 1121 1069        
26 A" 866 825        
27 A" 741 706        
28 A" 365 348        
29 A" 247 235        
30 A" 99 94        

Unscaled Zero Point Vibrational Energy (zpe) 22489.1 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 21434.3 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 QCISD(T)/cc-pVDZ
ABC
0.78046 0.07402 0.07032

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.643 0.329 0.000
C2 -1.475 0.481 0.000
C3 0.000 0.640 0.000
C4 0.737 -0.717 0.000
C5 2.260 -0.527 0.000
H6 0.283 1.233 0.891
H7 0.283 1.233 -0.891
H8 0.422 -1.297 0.889
H9 0.422 -1.297 -0.889
H10 2.779 -1.503 0.000
H11 2.590 0.035 0.895
H12 2.590 0.035 -0.895

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17812.66133.53794.97773.18973.18973.58183.58185.72355.31755.3175
C21.17811.48342.51503.86892.10952.10952.74762.74764.69404.18634.1863
C32.66131.48341.54342.54381.10721.10722.17242.17243.50942.80652.8065
C43.53792.51501.54341.53532.19122.19121.10741.10742.18872.19122.1912
C54.97773.86892.54381.53532.79332.79332.18242.18241.10531.10731.1073
H63.18972.10951.10722.19122.79331.78132.53433.09673.80952.59993.1541
H73.18972.10951.10722.19122.79331.78133.09672.53433.80953.15412.5999
H83.58182.74762.17241.10742.18242.53433.09671.77792.52782.54473.1078
H93.58182.74762.17241.10742.18243.09672.53431.77792.52783.10782.5447
H105.72354.69403.50942.18871.10533.80953.80952.52782.52781.78951.7895
H115.31754.18632.80652.19121.10732.59993.15412.54473.10781.78951.7904
H125.31754.18632.80652.19121.10733.15412.59993.10782.54471.78951.7904

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.734 C2 C3 C4 112.370
C2 C3 H6 108.156 C2 C3 H7 108.156
C3 C4 C5 111.429 C3 C4 H8 108.962
C3 C4 H9 108.962 C4 C3 H6 110.433
C4 C3 H7 110.433 C4 C5 H10 110.917
C4 C5 H11 110.992 C4 C5 H12 110.992
C5 C4 H8 110.292 C5 C4 H9 110.292
H6 C3 H7 107.110 H8 C4 H9 106.778
H10 C5 H11 107.955 H10 C5 H12 107.955
H11 C5 H12 107.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability