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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: MP2=FULL/aug-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 MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-210.773322
Energy at 298.15K-210.780553
HF Energy-210.016305
Nuclear repulsion energy153.064160
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/aug-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' 3167 3070 21.86      
2 A' 3089 2994 21.63      
3 A' 3078 2983 0.50      
4 A' 3065 2971 19.41      
5 A' 2169 2102 0.04      
6 A' 1497 1451 6.67      
7 A' 1484 1438 0.95      
8 A' 1460 1415 3.00      
9 A' 1402 1358 2.07      
10 A' 1373 1331 1.84      
11 A' 1285 1245 2.53      
12 A' 1119 1085 1.81      
13 A' 1077 1044 0.14      
14 A' 970 940 1.56      
15 A' 883 856 1.63      
16 A' 518 502 0.49      
17 A' 343 332 0.02      
18 A' 159 154 6.01      
19 A" 3161 3063 39.68      
20 A" 3144 3047 0.02      
21 A" 3127 3031 0.01      
22 A" 1493 1447 7.39      
23 A" 1321 1281 0.04      
24 A" 1253 1214 0.02      
25 A" 1122 1087 0.00      
26 A" 867 840 0.20      
27 A" 741 718 2.39      
28 A" 365 354 0.33      
29 A" 246 238 0.01      
30 A" 99 96 4.25      

Unscaled Zero Point Vibrational Energy (zpe) 22537.2 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 21843.0 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/aug-cc-pVDZ
ABC
0.78079 0.07479 0.07100

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.636 0.310 0.000
C2 -1.462 0.477 0.000
C3 0.000 0.641 0.000
C4 0.733 -0.712 0.000
C5 2.250 -0.516 0.000
H6 0.284 1.229 0.887
H7 0.284 1.229 -0.887
H8 0.420 -1.288 0.885
H9 0.420 -1.288 -0.885
H10 2.772 -1.483 0.000
H11 2.575 0.044 0.891
H12 2.575 0.044 -0.891

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.18582.65703.52084.95583.18763.18763.56123.56125.69835.29415.2941
C21.18581.47152.49653.84292.09842.09842.72832.72834.66634.15754.1575
C32.65701.47151.53912.53011.10171.10172.16382.16383.49272.78992.7899
C43.52082.49651.53911.53022.18112.18111.10101.10102.18052.18212.1821
C54.95583.84292.53011.53022.77432.77432.17432.17431.09951.10121.1012
H63.18762.09841.10172.18112.77431.77482.52083.08153.78612.57963.1332
H73.18762.09841.10172.18112.77431.77483.08152.52083.78613.13322.5796
H83.56122.72832.16381.10102.17432.52083.08151.77002.52042.53353.0939
H93.56122.72832.16381.10102.17433.08152.52081.77002.52043.09392.5335
H105.69834.66633.49272.18051.09953.78613.78612.52042.52041.77901.7790
H115.29414.15752.78992.18211.10122.57963.13322.53353.09391.77901.7817
H125.29414.15752.78992.18211.10123.13322.57963.09392.53351.77901.7817

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.321 C2 C3 C4 112.024
C2 C3 H6 108.411 C2 C3 H7 108.411
C3 C4 C5 111.046 C3 C4 H8 108.961
C3 C4 H9 108.961 C4 C3 H6 110.270
C4 C3 H7 110.270 C4 C5 H10 110.970
C4 C5 H11 110.995 C4 C5 H12 110.995
C5 C4 H8 110.388 C5 C4 H9 110.388
H6 C3 H7 107.311 H8 C4 H9 106.991
H10 C5 H11 107.877 H10 C5 H12 107.877
H11 C5 H12 107.989
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability