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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G
 hartrees
Energy at 0K-210.391378
Energy at 298.15K-210.398550
HF Energy-209.894351
Nuclear repulsion energy151.804351
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 MP2=FULL/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' 3150 2993 29.31      
2 A' 3073 2919 27.07      
3 A' 3059 2906 7.92      
4 A' 3058 2906 15.78      
5 A' 2103 1998 1.37      
6 A' 1580 1501 7.22      
7 A' 1569 1490 1.98      
8 A' 1553 1475 2.70      
9 A' 1489 1414 3.27      
10 A' 1436 1364 2.18      
11 A' 1368 1300 0.38      
12 A' 1151 1094 3.55      
13 A' 1075 1021 0.07      
14 A' 959 911 2.07      
15 A' 886 842 2.31      
16 A' 496 471 1.51      
17 A' 342 325 0.04      
18 A' 151 144 4.75      
19 A" 3145 2988 55.78      
20 A" 3121 2965 4.60      
21 A" 3099 2945 0.54      
22 A" 1573 1495 8.37      
23 A" 1370 1301 0.05      
24 A" 1316 1250 0.02      
25 A" 1183 1124 0.02      
26 A" 921 875 0.33      
27 A" 770 731 3.28      
28 A" 322 306 0.02      
29 A" 239 227 0.01      
30 A" 97 93 3.72      

Unscaled Zero Point Vibrational Energy (zpe) 22825.7 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 21686.7 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 MP2=FULL/6-31G
ABC
0.78109 0.07299 0.06937

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.666 0.351 0.000
C2 -1.474 0.498 0.000
C3 0.000 0.641 0.000
C4 0.739 -0.727 0.000
C5 2.272 -0.545 0.000
H6 0.303 1.223 0.884
H7 0.303 1.223 -0.884
H8 0.426 -1.302 0.884
H9 0.426 -1.302 -0.884
H10 2.779 -1.519 0.000
H11 2.601 0.010 0.890
H12 2.601 0.010 -0.890

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.20112.68173.57095.01843.21833.21833.61603.61605.75665.35285.3528
C21.20111.48082.52883.88822.11312.11312.76262.76264.70654.19974.1997
C32.68171.48081.55472.56291.10111.10112.17722.17723.51952.82102.8210
C43.57092.52881.55471.54412.18492.18491.10001.10002.18842.19212.1921
C55.01843.88822.56291.54412.79002.79002.18212.18211.09801.09951.0995
H63.21832.11311.10112.18492.79001.76902.52823.08533.79852.59883.1470
H73.21832.11311.10112.18492.79001.76903.08532.52823.79853.14702.5988
H83.61602.76262.17721.10002.18212.52823.08531.76782.52222.54023.0984
H93.61602.76262.17721.10002.18213.08532.52821.76782.52223.09842.5402
H105.75664.70653.51952.18841.09803.79853.79852.52222.52221.77801.7780
H115.35284.19972.82102.19211.09952.59883.14702.54023.09841.77801.7806
H125.35284.19972.82102.19211.09953.14702.59883.09842.54021.77801.7806

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.519 C2 C3 C4 112.805
C2 C3 H6 108.969 C2 C3 H7 108.969
C3 C4 C5 111.594 C3 C4 H8 108.992
C3 C4 H9 108.992 C4 C3 H6 109.519
C4 C3 H7 109.519 C4 C5 H10 110.712
C4 C5 H11 110.913 C4 C5 H12 110.913
C5 C4 H8 110.096 C5 C4 H9 110.096
H6 C3 H7 106.884 H8 C4 H9 106.947
H10 C5 H11 108.021 H10 C5 H12 108.021
H11 C5 H12 108.144
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability