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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-210.697015
Energy at 298.15K-210.704315
HF Energy-209.995847
Nuclear repulsion energy153.863177
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 MP3/6-31G*
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' 3188 2992 23.19      
2 A' 3120 2929 21.66      
3 A' 3111 2920 0.08      
4 A' 3101 2911 17.02      
5 A' 2447 2297 4.14      
6 A' 1569 1473 7.00      
7 A' 1555 1460 1.66      
8 A' 1538 1444 3.15      
9 A' 1480 1389 3.22      
10 A' 1448 1359 2.00      
11 A' 1348 1265 1.09      
12 A' 1155 1084 2.87      
13 A' 1096 1029 0.01      
14 A' 991 930 2.80      
15 A' 909 854 2.22      
16 A' 531 499 0.89      
17 A' 354 332 0.10      
18 A' 166 156 6.44      
19 A" 3182 2987 44.73      
20 A" 3165 2970 0.46      
21 A" 3148 2955 0.00      
22 A" 1560 1464 8.78      
23 A" 1369 1285 0.03      
24 A" 1304 1224 0.04      
25 A" 1170 1098 0.14      
26 A" 905 849 0.14      
27 A" 764 717 3.60      
28 A" 379 355 0.62      
29 A" 247 232 0.01      
30 A" 100 94 4.28      

Unscaled Zero Point Vibrational Energy (zpe) 23200.0 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 21775.5 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 MP3/6-31G*
ABC
0.79519 0.07517 0.07141

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.615 0.351 0.000
C2 -1.464 0.487 0.000
C3 0.000 0.635 0.000
C4 0.725 -0.719 0.000
C5 2.242 -0.541 0.000
H6 0.286 1.221 0.881
H7 0.286 1.221 -0.881
H8 0.411 -1.292 0.879
H9 0.411 -1.292 -0.879
H10 2.747 -1.511 0.000
H11 2.573 0.011 0.886
H12 2.573 0.011 -0.886

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15952.63063.50704.93813.15453.15453.55313.55315.67585.27445.2744
C21.15951.47112.49853.84532.09202.09202.72902.72904.66014.16024.1602
C32.63061.47111.53612.53161.09561.09562.15752.15753.48582.79212.7921
C43.50702.49851.53611.52752.17522.17521.09511.09512.17152.17602.1760
C54.93813.84532.53161.52752.77562.77562.16572.16571.09351.09501.0950
H63.15452.09201.09562.17522.77561.76112.51603.07013.78062.58743.1327
H73.15452.09201.09562.17522.77561.76113.07012.51603.78063.13272.5874
H83.55312.72902.15751.09512.16572.51603.07011.75762.50572.52513.0805
H93.55312.72902.15751.09512.16573.07012.51601.75762.50573.08052.5251
H105.67584.66013.48582.17151.09353.78063.78062.50572.50571.76951.7695
H115.27444.16022.79212.17601.09502.58743.13272.52513.08051.76951.7714
H125.27444.16022.79212.17601.09503.13272.58743.08052.52511.76951.7714

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.062 C2 C3 C4 112.351
C2 C3 H6 108.296 C2 C3 H7 108.296
C3 C4 C5 111.452 C3 C4 H8 109.016
C3 C4 H9 109.016 C4 C3 H6 110.372
C4 C3 H7 110.372 C4 C5 H10 110.799
C4 C5 H11 111.066 C4 C5 H12 111.066
C5 C4 H8 110.245 C5 C4 H9 110.245
H6 C3 H7 106.972 H8 C4 H9 106.739
H10 C5 H11 107.904 H10 C5 H12 107.904
H11 C5 H12 107.965
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability