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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: QCISD/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-210.878335
Energy at 298.15K-210.885642
HF Energy-210.019405
Nuclear repulsion energy153.959713
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/6-31G(2df,p)
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' 3168 3001 20.15      
2 A' 3104 2941 18.14      
3 A' 3096 2933 0.57      
4 A' 3082 2920 15.52      
5 A' 2357 2233 2.64      
6 A' 1540 1459 5.01      
7 A' 1525 1445 1.00      
8 A' 1505 1426 2.51      
9 A' 1448 1372 1.70      
10 A' 1419 1345 1.85      
11 A' 1326 1257 2.54      
12 A' 1137 1077 2.26      
13 A' 1078 1021 0.05      
14 A' 971 920 2.11      
15 A' 894 847 1.69      
16 A' 533 505 0.81      
17 A' 349 331 0.18      
18 A' 166 158 6.49      
19 A" 3165 2999 36.96      
20 A" 3149 2984 0.06      
21 A" 3133 2968 0.04      
22 A" 1532 1451 6.71      
23 A" 1350 1279 0.02      
24 A" 1283 1215 0.01      
25 A" 1149 1089 0.12      
26 A" 886 839 0.11      
27 A" 752 713 3.24      
28 A" 391 371 1.02      
29 A" 249 235 0.01      
30 A" 101 95 4.23      

Unscaled Zero Point Vibrational Energy (zpe) 22919.0 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 21713.4 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/6-31G(2df,p)
ABC
0.79491 0.07531 0.07153

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.613 0.350 0.000
C2 -1.461 0.485 0.000
C3 0.000 0.636 0.000
C4 0.723 -0.720 0.000
C5 2.241 -0.540 0.000
H6 0.285 1.221 0.880
H7 0.285 1.221 -0.880
H8 0.409 -1.291 0.878
H9 0.409 -1.291 -0.878
H10 2.748 -1.507 0.000
H11 2.571 0.013 0.884
H12 2.571 0.013 -0.884

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15952.62853.50274.93443.15103.15103.54883.54885.67305.26995.2699
C21.15951.46902.49413.84112.08902.08902.72452.72454.65644.15544.1554
C32.62851.46901.53662.53061.09381.09382.15722.15723.48472.78982.7898
C43.50272.49411.53661.52872.17492.17491.09351.09352.17272.17632.1763
C54.93443.84112.53061.52872.77452.77452.16602.16601.09201.09361.0936
H63.15102.08901.09382.17492.77451.75962.51493.06833.77872.58613.1303
H73.15102.08901.09382.17492.77451.75963.06832.51493.77873.13032.5861
H83.54882.72452.15721.09352.16602.51493.06831.75572.50752.52543.0792
H93.54882.72452.15721.09352.16603.06832.51491.75572.50753.07922.5254
H105.67304.65643.48472.17271.09203.77873.77872.50752.50751.76681.7668
H115.26994.15542.78982.17631.09362.58613.13032.52543.07921.76681.7680
H125.26994.15542.78982.17631.09363.13032.58613.07922.52541.76681.7680

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.221 C2 C3 C4 112.135
C2 C3 H6 108.303 C2 C3 H7 108.303
C3 C4 C5 111.286 C3 C4 H8 109.048
C3 C4 H9 109.048 C4 C3 H6 110.419
C4 C3 H7 110.419 C4 C5 H10 110.899
C4 C5 H11 111.090 C4 C5 H12 111.090
C5 C4 H8 110.276 C5 C4 H9 110.276
H6 C3 H7 107.094 H8 C4 H9 106.789
H10 C5 H11 107.873 H10 C5 H12 107.873
H11 C5 H12 107.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability