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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: MP4=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-209.368220
Energy at 298.15K-209.375581
HF Energy-208.824235
Nuclear repulsion energy151.989619
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 MP4=FULL/3-21G
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' 3103 3037        
2 A' 3048 2984        
3 A' 3034 2969        
4 A' 3028 2964        
5 A' 2157 2111        
6 A' 1580 1547        
7 A' 1568 1534        
8 A' 1549 1516        
9 A' 1476 1445        
10 A' 1412 1383        
11 A' 1356 1328        
12 A' 1134 1110        
13 A' 1014 992        
14 A' 924 904        
15 A' 871 853        
16 A' 540 529        
17 A' 357 349        
18 A' 179 176        
19 A" 3107 3041        
20 A" 3084 3019        
21 A" 3068 3003        
22 A" 1579 1546        
23 A" 1374 1345        
24 A" 1318 1290        
25 A" 1184 1159        
26 A" 918 898        
27 A" 761 745        
28 A" 423 414        
29 A" 240 235        
30 A" 102 100        

Unscaled Zero Point Vibrational Energy (zpe) 22742.8 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 22260.7 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 MP4=FULL/3-21G
ABC
0.77720 0.07331 0.06965

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.651 0.370 0.000
C2 -1.473 0.498 0.000
C3 0.000 0.642 0.000
C4 0.728 -0.741 0.000
C5 2.271 -0.549 0.000
H6 0.305 1.216 0.889
H7 0.305 1.216 -0.889
H8 0.418 -1.310 0.889
H9 0.418 -1.310 -0.889
H10 2.780 -1.522 0.000
H11 2.588 0.010 0.893
H12 2.588 0.010 -0.893

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.18522.66513.55705.00703.20093.20093.60993.60995.75165.32705.3270
C21.18521.48002.52573.88732.11372.11372.76282.76284.70864.18654.1865
C32.66511.48001.56332.56411.10141.10142.18502.18503.52342.80982.8098
C43.55702.52571.56331.55502.19112.19111.09951.09952.19602.19592.1959
C55.00703.88732.56411.55502.78742.78742.19122.19121.09871.09981.0998
H63.20092.11371.10142.19112.78741.77862.52813.09083.79682.58213.1374
H73.20092.11371.10142.19112.78741.77863.09082.52813.79683.13742.5821
H83.60992.76282.18501.09952.19122.52813.09081.77772.53292.53963.1022
H93.60992.76282.18501.09952.19123.09082.52811.77772.53293.10222.5396
H105.75164.70863.52342.19601.09873.79683.79682.53292.53291.78351.7835
H115.32704.18652.80982.19591.09982.58213.13742.53963.10221.78351.7855
H125.32704.18652.80982.19591.09983.13742.58213.10222.53961.78351.7855

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.396 C2 C3 C4 112.153
C2 C3 H6 109.050 C2 C3 H7 109.050
C3 C4 C5 110.631 C3 C4 H8 109.042
C3 C4 H9 109.042 C4 C3 H6 109.399
C4 C3 H7 109.399 C4 C5 H10 110.515
C4 C5 H11 110.437 C4 C5 H12 110.437
C5 C4 H8 110.092 C5 C4 H9 110.092
H6 C3 H7 107.683 H8 C4 H9 107.884
H10 C5 H11 108.428 H10 C5 H12 108.428
H11 C5 H12 108.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability