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: CCSD=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD=FULL/cc-pVTZ
 hartrees
Energy at 0K-211.045287
Energy at 298.15K 
HF Energy-210.070289
Nuclear repulsion energy154.930145
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 CCSD=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/cc-pVTZ
ABC
0.80881 0.07614 0.07236

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.597 0.356 0.000
C2 -1.453 0.484 0.000
C3 0.000 0.628 0.000
C4 0.719 -0.718 0.000
C5 2.227 -0.538 0.000
H6 0.283 1.208 0.875
H7 0.283 1.208 -0.875
H8 0.408 -1.285 0.873
H9 0.408 -1.285 -0.873
H10 2.734 -1.499 0.000
H11 2.553 0.013 0.879
H12 2.553 0.013 -0.879

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15142.61163.48604.90663.12863.12863.53333.53335.64435.23645.2364
C21.15141.46032.48263.81962.07452.07452.71182.71184.63254.12884.1288
C32.61161.46031.52602.51421.08701.08702.14212.14213.46362.76972.7697
C43.48602.48261.52601.51852.15932.15931.08651.08652.16052.16092.1609
C54.90663.81962.51421.51852.75572.75572.15152.15151.08561.08761.0876
H63.12862.07451.08702.15932.75571.75032.49573.04693.75432.56563.1081
H73.12862.07451.08702.15932.75571.75033.04692.49573.75433.10812.5656
H83.53332.71182.14211.08652.15152.49573.04691.74532.49332.50743.0587
H93.53332.71182.14211.08652.15153.04692.49571.74532.49333.05872.5074
H105.64434.63253.46362.16051.08563.75433.75432.49332.49331.75751.7575
H115.23644.12882.76972.16091.08762.56563.10812.50743.05871.75751.7583
H125.23644.12882.76972.16091.08763.10812.56563.05872.50741.75751.7583

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.276 C2 C3 C4 112.450
C2 C3 H6 108.163 C2 C3 H7 108.163
C3 C4 C5 111.344 C3 C4 H8 108.994
C3 C4 H9 108.994 C4 C3 H6 110.322
C4 C3 H7 110.322 C4 C5 H10 111.033
C4 C5 H11 110.951 C4 C5 H12 110.951
C5 C4 H8 110.264 C5 C4 H9 110.264
H6 C3 H7 107.245 H8 C4 H9 106.863
H10 C5 H11 107.946 H10 C5 H12 107.946
H11 C5 H12 107.876
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability