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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-210.811636
Energy at 298.15K-210.818882
HF Energy-210.061310
Nuclear repulsion energy154.239319
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/TZVP
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' 3180 3014 22.86      
2 A' 3109 2947 23.70      
3 A' 3098 2937 0.08      
4 A' 3083 2922 18.74      
5 A' 2215 2100 0.02      
6 A' 1529 1450 7.32      
7 A' 1515 1436 1.38      
8 A' 1495 1417 3.30      
9 A' 1440 1365 2.55      
10 A' 1417 1343 2.02      
11 A' 1322 1253 1.53      
12 A' 1138 1078 1.52      
13 A' 1080 1023 0.19      
14 A' 972 921 1.44      
15 A' 896 850 1.67      
16 A' 522 495 0.62      
17 A' 346 328 0.05      
18 A' 158 150 5.72      
19 A" 3177 3011 42.44      
20 A" 3160 2995 0.02      
21 A" 3143 2980 0.02      
22 A" 1523 1443 8.11      
23 A" 1345 1275 0.11      
24 A" 1279 1212 0.03      
25 A" 1145 1086 0.00      
26 A" 893 846 0.16      
27 A" 759 719 1.79      
28 A" 361 342 0.20      
29 A" 241 228 0.00      
30 A" 95 91 4.04      

Unscaled Zero Point Vibrational Energy (zpe) 22816.4 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 21627.6 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/TZVP
ABC
0.79207 0.07584 0.07198

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.611 0.324 0.000
C2 -1.452 0.488 0.000
C3 0.000 0.640 0.000
C4 0.722 -0.711 0.000
C5 2.234 -0.532 0.000
H6 0.287 1.219 0.880
H7 0.287 1.219 -0.880
H8 0.408 -1.279 0.877
H9 0.408 -1.279 -0.877
H10 2.741 -1.497 0.000
H11 2.561 0.019 0.883
H12 2.561 0.019 -0.883

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17032.62993.49034.92033.15753.15753.52943.52945.65295.25545.2554
C21.17031.46012.48293.82472.08142.08142.71132.71134.63854.13554.1355
C32.62991.46011.53172.52271.09181.09182.14862.14863.47482.77892.7789
C43.49032.48291.53171.52272.16562.16561.09101.09102.16582.16652.1665
C54.92033.82472.52271.52272.76292.76292.15902.15901.08961.09111.0911
H63.15752.08141.09182.16562.76291.75952.50093.05643.76462.57133.1177
H73.15752.08141.09182.16562.76291.75953.05642.50093.76463.11772.5713
H83.52942.71132.14861.09102.15902.50093.05641.75472.50122.51333.0687
H93.52942.71132.14861.09102.15903.05642.50091.75472.50123.06872.5133
H105.65294.63853.47482.16581.08963.76463.76462.50122.50121.76361.7636
H115.25544.13552.77892.16651.09112.57133.11772.51333.06871.76361.7666
H125.25544.13552.77892.16651.09113.11772.57133.06872.51331.76361.7666

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 177.957 C2 C3 C4 112.157
C2 C3 H6 108.436 C2 C3 H7 108.436
C3 C4 C5 111.368 C3 C4 H8 108.855
C3 C4 H9 108.855 C4 C3 H6 110.147
C4 C3 H7 110.147 C4 C5 H10 110.928
C4 C5 H11 110.892 C4 C5 H12 110.892
C5 C4 H8 110.294 C5 C4 H9 110.294
H6 C3 H7 107.376 H8 C4 H9 107.059
H10 C5 H11 107.948 H10 C5 H12 107.948
H11 C5 H12 108.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability