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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: QCISD(T)/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 QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-210.835104
Energy at 298.15K-210.842274
HF Energy-210.016934
Nuclear repulsion energy152.431698
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)/aug-cc-pVDZ
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' 3104 3035        
2 A' 3039 2972        
3 A' 3031 2964        
4 A' 3015 2948        
5 A' 2245 2195        
6 A' 1487 1454        
7 A' 1472 1440        
8 A' 1453 1420        
9 A' 1397 1366        
10 A' 1371 1340        
11 A' 1280 1252        
12 A' 1107 1083        
13 A' 1059 1035        
14 A' 951 930        
15 A' 869 850        
16 A' 510 499        
17 A' 338 330        
18 A' 158 155        
19 A" 3099 3030        
20 A" 3084 3016        
21 A" 3068 3000        
22 A" 1480 1447        
23 A" 1310 1281        
24 A" 1244 1216        
25 A" 1114 1090        
26 A" 859 840        
27 A" 731 715        
28 A" 359 351        
29 A" 236 231        
30 A" 94 92        

Unscaled Zero Point Vibrational Energy (zpe) 22282.0 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 21787.4 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)/aug-cc-pVDZ
ABC
0.77625 0.07401 0.07028

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.645 0.320 0.000
C2 -1.476 0.480 0.000
C3 0.000 0.642 0.000
C4 0.736 -0.718 0.000
C5 2.263 -0.520 0.000
H6 0.282 1.233 0.891
H7 0.282 1.233 -0.891
H8 0.424 -1.297 0.889
H9 0.424 -1.297 -0.889
H10 2.785 -1.493 0.000
H11 2.589 0.042 0.895
H12 2.589 0.042 -0.895

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17932.66423.53684.97863.19243.19243.58073.58075.72485.31725.3172
C21.17931.48522.51603.87022.11012.11012.74912.74914.69624.18594.1859
C32.66421.48521.54672.54381.10601.10602.17472.17473.50982.80472.8047
C43.53682.51601.54671.53882.19302.19301.10571.10572.19082.19362.1936
C54.97863.87022.54381.53882.79192.79192.18452.18451.10441.10641.1064
H63.19242.11011.10602.19302.79191.78262.53413.09693.80762.59723.1523
H73.19242.11011.10602.19302.79191.78263.09692.53413.80763.15232.5972
H83.58072.74912.17471.10572.18452.53413.09691.77812.53062.54543.1084
H93.58072.74912.17471.10572.18453.09692.53411.77812.53063.10842.5454
H105.72484.69623.50982.19081.10443.80763.80762.53062.53061.78771.7877
H115.31724.18592.80472.19361.10642.59723.15232.54543.10841.78771.7902
H125.31724.18592.80472.19361.10643.15232.59723.10842.54541.78771.7902

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.496 C2 C3 C4 112.147
C2 C3 H6 108.154 C2 C3 H7 108.154
C3 C4 C5 111.057 C3 C4 H8 109.014
C3 C4 H9 109.014 C4 C3 H6 110.417
C4 C3 H7 110.417 C4 C5 H10 110.886
C4 C5 H11 110.989 C4 C5 H12 110.989
C5 C4 H8 110.312 C5 C4 H9 110.312
H6 C3 H7 107.392 H8 C4 H9 107.029
H10 C5 H11 107.925 H10 C5 H12 107.925
H11 C5 H12 107.995
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability