return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: QCISD/6-311G*

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/6-311G*
 hartrees
Energy at 0K-210.788698
Energy at 298.15K-210.795984
HF Energy-210.036445
Nuclear repulsion energy153.589829
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/6-311G*
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' 3117 2984 30.43      
2 A' 3064 2933 23.39      
3 A' 3055 2925 3.69      
4 A' 3036 2907 22.43      
5 A' 2334 2234 1.55      
6 A' 1540 1474 9.97      
7 A' 1524 1459 1.89      
8 A' 1514 1449 2.87      
9 A' 1454 1392 4.35      
10 A' 1424 1363 1.93      
11 A' 1328 1271 0.62      
12 A' 1137 1088 2.48      
13 A' 1079 1033 0.03      
14 A' 970 929 2.93      
15 A' 894 856 2.09      
16 A' 531 508 0.85      
17 A' 352 337 0.10      
18 A' 167 160 5.99      
19 A" 3119 2986 52.74      
20 A" 3104 2971 3.92      
21 A" 3087 2956 0.08      
22 A" 1531 1466 10.01      
23 A" 1356 1298 0.03      
24 A" 1290 1235 0.03      
25 A" 1156 1107 0.06      
26 A" 890 852 0.17      
27 A" 745 714 3.22      
28 A" 381 365 0.34      
29 A" 244 233 0.02      
30 A" 99 95 4.02      

Unscaled Zero Point Vibrational Energy (zpe) 22759.3 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 21789.7 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 QCISD/6-311G*
ABC
0.79308 0.07488 0.07115

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.620 0.353 0.000
C2 -1.466 0.487 0.000
C3 0.000 0.636 0.000
C4 0.726 -0.720 0.000
C5 2.246 -0.543 0.000
H6 0.285 1.224 0.882
H7 0.285 1.224 -0.882
H8 0.411 -1.294 0.881
H9 0.411 -1.294 -0.881
H10 2.753 -1.514 0.000
H11 2.580 0.009 0.887
H12 2.580 0.009 -0.887

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16122.63493.51324.94713.15783.15783.55953.55955.68795.28625.2862
C21.16121.47382.50263.85232.09432.09432.73342.73344.67014.17014.1701
C32.63491.47381.53852.53671.09731.09732.16112.16113.49362.79972.7997
C43.51322.50261.53851.53022.17972.17971.09731.09732.17742.18132.1813
C54.94713.85232.53671.53022.78302.78302.16952.16951.09581.09721.0972
H63.15782.09431.09732.17972.78301.76442.52073.07603.79052.59713.1425
H73.15782.09431.09732.17972.78301.76443.07602.52073.79053.14252.5971
H83.55952.73342.16111.09732.16952.52073.07601.76122.51212.53083.0871
H93.55952.73342.16111.09732.16953.07602.52071.76122.51213.08712.5308
H105.68794.67013.49362.17741.09583.79053.79052.51212.51211.77141.7714
H115.28624.17012.79972.18131.09722.59713.14252.53083.08711.77141.7742
H125.28624.17012.79972.18131.09723.14252.59713.08712.53081.77141.7742

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.153 C2 C3 C4 112.345
C2 C3 H6 108.195 C2 C3 H7 108.195
C3 C4 C5 111.507 C3 C4 H8 109.004
C3 C4 H9 109.004 C4 C3 H6 110.454
C4 C3 H7 110.454 C4 C5 H10 110.939
C4 C5 H11 111.167 C4 C5 H12 111.167
C5 C4 H8 110.224 C5 C4 H9 110.224
H6 C3 H7 107.013 H8 C4 H9 106.748
H10 C5 H11 107.754 H10 C5 H12 107.754
H11 C5 H12 107.903
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability