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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: QCISD(T)/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 QCISD(T)/TZVP
 hartrees
Energy at 0K-210.884545
Energy at 298.15K-210.891743
HF Energy-210.062334
Nuclear repulsion energy153.795694
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 QCISD(T)/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' 3127 3012        
2 A' 3068 2955        
3 A' 3059 2947        
4 A' 3041 2929        
5 A' 2292 2207        
6 A' 1520 1464        
7 A' 1505 1450        
8 A' 1489 1435        
9 A' 1437 1384        
10 A' 1415 1363        
11 A' 1317 1269        
12 A' 1127 1086        
13 A' 1063 1024        
14 A' 956 921        
15 A' 884 851        
16 A' 515 496        
17 A' 342 329        
18 A' 159 153        
19 A" 3126 3011        
20 A" 3110 2995        
21 A" 3093 2980        
22 A" 1513 1457        
23 A" 1336 1287        
24 A" 1272 1225        
25 A" 1139 1097        
26 A" 885 853        
27 A" 749 722        
28 A" 357 344        
29 A" 233 224        
30 A" 91 88        

Unscaled Zero Point Vibrational Energy (zpe) 22609.2 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 21777.1 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 QCISD(T)/TZVP
ABC
0.78953 0.07524 0.07144

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.616 0.333 0.000
C2 -1.463 0.489 0.000
C3 0.000 0.640 0.000
C4 0.725 -0.716 0.000
C5 2.244 -0.536 0.000
H6 0.284 1.222 0.883
H7 0.284 1.222 -0.883
H8 0.411 -1.285 0.880
H9 0.411 -1.285 -0.880
H10 2.750 -1.504 0.000
H11 2.570 0.017 0.886
H12 2.570 0.017 -0.886

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16392.63433.50204.93703.15913.15913.54383.54385.67225.27155.2715
C21.16391.47072.49743.84542.08992.08992.72622.72624.66044.15644.1564
C32.63431.47071.53742.53301.09451.09452.15622.15623.48722.78942.7894
C43.50202.49741.53741.52942.17412.17411.09421.09422.17322.17472.1747
C54.93703.84542.53301.52942.77632.77632.16662.16661.09291.09461.0946
H63.15912.08991.09452.17412.77631.76542.50973.06703.78032.58443.1318
H73.15912.08991.09452.17412.77631.76543.06702.50973.78033.13182.5844
H83.54382.72622.15621.09422.16662.50973.06701.76072.50872.52163.0789
H93.54382.72622.15621.09422.16663.06702.50971.76072.50873.07892.5216
H105.67224.66043.48722.17321.09293.78033.78032.50872.50871.76991.7699
H115.27154.15642.78942.17471.09462.58443.13182.52163.07891.76991.7727
H125.27154.15642.78942.17471.09463.13182.58443.07892.52161.76991.7727

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.231 C2 C3 C4 112.221
C2 C3 H6 108.223 C2 C3 H7 108.223
C3 C4 C5 111.370 C3 C4 H8 108.873
C3 C4 H9 108.873 C4 C3 H6 110.259
C4 C3 H7 110.259 C4 C5 H10 110.845
C4 C5 H11 110.856 C4 C5 H12 110.856
C5 C4 H8 110.241 C5 C4 H9 110.241
H6 C3 H7 107.508 H8 C4 H9 107.129
H10 C5 H11 108.015 H10 C5 H12 108.015
H11 C5 H12 108.137
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability