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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G2
 hartrees
Energy at 0K-210.972949
Energy at 298.15K-210.965923
HF Energy-209.997892
Nuclear repulsion energy154.693074
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 HF/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' 3277 3087 44.06      
2 A' 3234 3047 21.41      
3 A' 3225 3038 8.60      
4 A' 3203 3018 30.03      
5 A' 2614 2463 15.70      
6 A' 1653 1557 3.87      
7 A' 1637 1543 0.98      
8 A' 1622 1528 2.65      
9 A' 1571 1480 1.13      
10 A' 1538 1449 2.50      
11 A' 1437 1354 3.50      
12 A' 1215 1145 2.73      
13 A' 1116 1052 0.09      
14 A' 1011 952 5.11      
15 A' 947 892 2.80      
16 A' 580 546 1.36      
17 A' 374 352 0.39      
18 A' 183 172 8.10      
19 A" 3286 3096 58.25      
20 A" 3266 3077 17.74      
21 A" 3248 3061 1.51      
22 A" 1644 1549 6.79      
23 A" 1451 1367 0.06      
24 A" 1381 1301 0.08      
25 A" 1244 1172 0.05      
26 A" 953 898 0.03      
27 A" 802 756 2.50      
28 A" 432 407 1.54      
29 A" 258 243 0.01      
30 A" 107 101 5.00      

Unscaled Zero Point Vibrational Energy (zpe) 24252.5 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 22850.7 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
0.79476 0.07521 0.07144

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 -2.626 0.334 0.000
C2 -1.455 0.479 0.000
C3 0.000 0.635 0.000
C4 0.728 -0.714 0.000
C5 2.241 -0.528 0.000
H6 0.288 1.220 0.880
H7 0.288 1.220 -0.880
H8 0.417 -1.287 0.878
H9 0.417 -1.287 -0.878
H10 2.752 -1.493 0.000
H11 2.568 0.026 0.885
H12 2.568 0.026 -0.885

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17952.64313.51414.94213.17073.17073.55793.55795.67985.27805.2780
C21.17951.46372.48833.83062.08912.08912.71992.71994.64684.14474.1447
C32.64311.46371.53282.52431.09561.09562.15422.15423.47892.78392.7839
C43.51412.48831.53281.52362.16982.16981.09441.09442.16852.17132.1713
C54.94213.83062.52431.52362.76412.76412.16202.16201.09271.09381.0938
H63.17072.08911.09562.16982.76411.76022.51083.06543.76912.57383.1208
H73.17072.08911.09562.16982.76411.76023.06542.51083.76913.12082.5738
H83.55792.71992.15421.09442.16202.51083.06541.75692.50332.52043.0759
H93.55792.71992.15421.09442.16203.06542.51081.75692.50333.07592.5204
H105.67984.64683.47892.16851.09273.76913.76912.50332.50331.76751.7675
H115.27804.14472.78392.17131.09382.57383.12082.52043.07591.76751.7696
H125.27804.14472.78392.17131.09383.12082.57383.07592.52041.76751.7696

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.042 C2 C3 C4 112.329
C2 C3 H6 107.938 C2 C3 H7 107.938
C3 C4 C5 111.614 C3 C4 H8 109.099
C3 C4 H9 109.099 C4 C3 H6 110.608
C4 C3 H7 110.608 C4 C5 H10 110.701
C4 C5 H11 111.290 C4 C5 H12 111.290
C5 C4 H8 110.056 C5 C4 H9 110.056
H6 C3 H7 107.227 H8 C4 H9 106.789
H10 C5 H11 107.755 H10 C5 H12 107.755
H11 C5 H12 107.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability