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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: MP4/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-210.836815
Energy at 298.15K-210.843979
HF Energy-210.015396
Nuclear repulsion energy152.339763
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 MP4/6-31G*
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' 3145 3073        
2 A' 3071 3000        
3 A' 3060 2989        
4 A' 3057 2986        
5 A' 2202 2151        
6 A' 1553 1517        
7 A' 1539 1504        
8 A' 1520 1485        
9 A' 1461 1427        
10 A' 1424 1391        
11 A' 1329 1298        
12 A' 1140 1113        
13 A' 1081 1056        
14 A' 969 946        
15 A' 893 873        
16 A' 512 500        
17 A' 347 339        
18 A' 161 157        
19 A" 3139 3066        
20 A" 3118 3046        
21 A" 3100 3028        
22 A" 1545 1509        
23 A" 1352 1321        
24 A" 1289 1259        
25 A" 1154 1127        
26 A" 893 873        
27 A" 755 737        
28 A" 360 351        
29 A" 243 238        
30 A" 98 95        

Unscaled Zero Point Vibrational Energy (zpe) 22753.4 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 22227.8 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/aug-cc-pVDZ
ABC
0.77582 0.07396 0.07022

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.649 0.315 0.000
C2 -1.474 0.478 0.000
C3 0.000 0.642 0.000
C4 0.738 -0.717 0.000
C5 2.263 -0.517 0.000
H6 0.282 1.234 0.891
H7 0.282 1.234 -0.891
H8 0.426 -1.295 0.889
H9 0.426 -1.295 -0.889
H10 2.787 -1.489 0.000
H11 2.589 0.045 0.895
H12 2.589 0.045 -0.895

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.18672.66943.54084.98243.19883.19883.58343.58345.72815.32095.3209
C21.18671.48292.51353.86712.10942.10942.74652.74654.69314.18244.1824
C32.66941.48291.54632.54291.10611.10612.17392.17393.50882.80342.8034
C43.54082.51351.54631.53822.19212.19211.10551.10552.19022.19252.1925
C54.98243.86712.54291.53822.78992.78992.18402.18401.10391.10591.1059
H63.19882.10941.10612.19212.78991.78222.53313.09593.80542.59473.1498
H73.19882.10941.10612.19212.78991.78223.09592.53313.80543.14982.5947
H83.58342.74652.17391.10552.18402.53313.09591.77752.53052.54463.1073
H93.58342.74652.17391.10552.18403.09592.53311.77752.53053.10732.5446
H105.72814.69313.50882.19021.10393.80543.80542.53052.53051.78691.7869
H115.32094.18242.80342.19251.10592.59473.14982.54463.10731.78691.7894
H125.32094.18242.80342.19251.10593.14982.59473.10732.54461.78691.7894

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.491 C2 C3 C4 112.129
C2 C3 H6 108.241 C2 C3 H7 108.241
C3 C4 C5 111.058 C3 C4 H8 108.996
C3 C4 H9 108.996 C4 C3 H6 110.367
C4 C3 H7 110.367 C4 C5 H10 110.914
C4 C5 H11 110.979 C4 C5 H12 110.979
C5 C4 H8 110.334 C5 C4 H9 110.334
H6 C3 H7 107.338 H8 C4 H9 107.021
H10 C5 H11 107.922 H10 C5 H12 107.922
H11 C5 H12 107.992
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability