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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-210.384909
Energy at 298.15K-210.392079
HF Energy-209.894275
Nuclear repulsion energy151.777960
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 MP2/6-31G
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' 3150 3014 29.43      
2 A' 3072 2940 27.18      
3 A' 3059 2926 6.30      
4 A' 3058 2926 17.44      
5 A' 2102 2011 1.38      
6 A' 1580 1512 7.18      
7 A' 1569 1501 1.98      
8 A' 1553 1486 2.68      
9 A' 1488 1424 3.24      
10 A' 1436 1374 2.18      
11 A' 1368 1309 0.39      
12 A' 1151 1101 3.54      
13 A' 1074 1028 0.07      
14 A' 959 917 2.07      
15 A' 886 848 2.31      
16 A' 496 475 1.51      
17 A' 342 327 0.04      
18 A' 151 145 4.75      
19 A" 3144 3009 56.05      
20 A" 3120 2985 4.59      
21 A" 3099 2965 0.52      
22 A" 1573 1505 8.34      
23 A" 1370 1311 0.05      
24 A" 1316 1259 0.02      
25 A" 1183 1132 0.02      
26 A" 921 881 0.33      
27 A" 770 736 3.26      
28 A" 321 308 0.02      
29 A" 238 228 0.01      
30 A" 97 93 3.72      

Unscaled Zero Point Vibrational Energy (zpe) 22822.6 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 21836.7 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 MP2/6-31G
ABC
0.78063 0.07297 0.06934

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.666 0.350 0.000
C2 -1.474 0.498 0.000
C3 0.000 0.642 0.000
C4 0.739 -0.727 0.000
C5 2.272 -0.545 0.000
H6 0.303 1.223 0.885
H7 0.303 1.223 -0.885
H8 0.426 -1.302 0.884
H9 0.426 -1.302 -0.884
H10 2.779 -1.519 0.000
H11 2.602 0.010 0.890
H12 2.602 0.010 -0.890

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.20132.68223.57135.01923.21893.21893.61623.61625.75715.35375.3537
C21.20131.48112.52933.88912.11342.11342.76312.76314.70734.20074.2007
C32.68221.48111.55512.56351.10121.10122.17762.17763.52012.82172.8217
C43.57132.52931.55511.54442.18532.18531.10011.10012.18862.19242.1924
C55.01923.88912.56351.54442.79072.79072.18242.18241.09811.09961.0996
H63.21892.11341.10122.18532.79071.76922.52863.08583.79932.59963.1478
H73.21892.11341.10122.18532.79071.76923.08582.52863.79933.14782.5996
H83.61622.76312.17761.10012.18242.52863.08581.76812.52252.54053.0989
H93.61622.76312.17761.10012.18243.08582.52861.76812.52253.09892.5405
H105.75714.70733.52012.18861.09813.79933.79932.52252.52251.77831.7783
H115.35374.20072.82172.19241.09962.59963.14782.54053.09891.77831.7809
H125.35374.20072.82172.19241.09963.14782.59963.09892.54051.77831.7809

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.482 C2 C3 C4 112.805
C2 C3 H6 108.964 C2 C3 H7 108.964
C3 C4 C5 111.600 C3 C4 H8 108.989
C3 C4 H9 108.989 C4 C3 H6 109.521
C4 C3 H7 109.521 C4 C5 H10 110.701
C4 C5 H11 110.911 C4 C5 H12 110.911
C5 C4 H8 110.095 C5 C4 H9 110.095
H6 C3 H7 106.889 H8 C4 H9 106.948
H10 C5 H11 108.026 H10 C5 H12 108.026
H11 C5 H12 108.150
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability