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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G
 hartrees
Energy at 0K-209.969924
Energy at 298.15K-209.977420
HF Energy-209.969924
Nuclear repulsion energy153.899702
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 PBE1PBE/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' 3151 3026 18.91      
2 A' 3092 2969 14.19      
3 A' 3072 2950 1.09      
4 A' 3066 2945 14.96      
5 A' 2372 2278 5.49      
6 A' 1564 1502 10.12      
7 A' 1548 1487 5.22      
8 A' 1523 1463 7.56      
9 A' 1465 1407 9.19      
10 A' 1399 1344 3.14      
11 A' 1348 1294 2.34      
12 A' 1141 1096 9.32      
13 A' 1057 1015 0.12      
14 A' 980 942 1.93      
15 A' 903 867 3.99      
16 A' 584 560 1.88      
17 A' 368 354 0.08      
18 A' 186 179 4.12      
19 A" 3154 3029 29.95      
20 A" 3128 3004 1.45      
21 A" 3110 2986 0.36      
22 A" 1564 1502 13.13      
23 A" 1370 1316 0.00      
24 A" 1312 1260 0.00      
25 A" 1173 1127 0.72      
26 A" 913 877 0.53      
27 A" 768 737 7.71      
28 A" 467 448 0.08      
29 A" 251 241 0.02      
30 A" 105 101 3.47      

Unscaled Zero Point Vibrational Energy (zpe) 23066.3 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 22152.9 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 PBE1PBE/3-21G
ABC
0.79080 0.07551 0.07171

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.606 0.386 0.000
C2 -1.448 0.503 0.000
C3 0.000 0.632 0.000
C4 0.711 -0.741 0.000
C5 2.233 -0.556 0.000
H6 0.308 1.205 0.886
H7 0.308 1.205 -0.886
H8 0.396 -1.306 0.885
H9 0.396 -1.306 -0.885
H10 2.741 -1.527 0.000
H11 2.557 -0.001 0.889
H12 2.557 -0.001 -0.889

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16372.61743.50264.93023.15353.15353.55743.55745.67855.25305.2530
C21.16371.45372.49103.83062.08822.08822.73002.73004.65454.13314.1331
C32.61741.45371.54612.53021.09871.09872.16712.16713.48932.78022.7802
C43.50262.49101.54611.53392.17532.17531.09631.09632.17712.17852.1785
C54.93023.83062.53021.53392.75582.75582.17292.17291.09521.09691.0969
H63.15352.08821.09872.17532.75581.77162.51213.07363.76392.55213.1085
H73.15352.08821.09872.17532.75581.77163.07362.51213.76393.10852.5521
H83.55742.73002.16711.09632.17292.51213.07361.77042.51622.52423.0853
H93.55742.73002.16711.09632.17293.07362.51211.77042.51623.08532.5242
H105.67854.65453.48932.17711.09523.76393.76392.51622.51621.77541.7754
H115.25304.13312.78022.17851.09692.55213.10852.52423.08531.77541.7779
H125.25304.13312.78022.17851.09693.10852.55213.08532.52421.77541.7779

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.378 C2 C3 C4 112.241
C2 C3 H6 109.005 C2 C3 H7 109.005
C3 C4 C5 110.467 C3 C4 H8 109.009
C3 C4 H9 109.009 C4 C3 H6 109.506
C4 C3 H7 109.506 C4 C5 H10 110.697
C4 C5 H11 110.706 C4 C5 H12 110.706
C5 C4 H8 110.301 C5 C4 H9 110.301
H6 C3 H7 107.457 H8 C4 H9 107.690
H10 C5 H11 108.178 H10 C5 H12 108.178
H11 C5 H12 108.281
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.503      
2 C 0.367      
3 C -0.503      
4 C -0.435      
5 C -0.632      
6 H 0.277      
7 H 0.277      
8 H 0.243      
9 H 0.243      
10 H 0.229      
11 H 0.219      
12 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.902 0.047 0.000 3.902
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.806 0.946 0.000
y 0.946 -29.926 0.000
z 0.000 0.000 -30.192
Traceless
 xyz
x -11.747 0.946 0.000
y 0.946 6.073 0.000
z 0.000 0.000 5.674
Polar
3z2-r211.348
x2-y2-11.880
xy0.946
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.230 -0.232 0.000
y -0.232 5.201 0.000
z 0.000 0.000 4.934


<r2> (average value of r2) Å2
<r2> 158.849
(<r2>)1/2 12.604