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All results from a given calculation for C2H5CN (ethyl cyanide)

using model chemistry: M06-2X/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 M06-2X/cc-pVDZ
 hartrees
Energy at 0K-171.999688
Energy at 298.15K 
HF Energy-171.999688
Nuclear repulsion energy102.786665
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 M06-2X/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' 3172 3172 11.51 83.32 0.71 0.83
2 A' 3092 3092 5.15 110.42 0.08 0.16
3 A' 3083 3083 14.46 143.03 0.01 0.02
4 A' 2431 2431 8.41 56.47 0.26 0.41
5 A' 1481 1481 5.91 8.14 0.74 0.85
6 A' 1448 1448 5.31 14.36 0.73 0.84
7 A' 1399 1399 1.10 1.63 0.41 0.58
8 A' 1341 1341 4.17 2.48 0.52 0.69
9 A' 1096 1096 3.61 5.11 0.17 0.29
10 A' 1042 1042 1.34 4.09 0.58 0.74
11 A' 860 860 0.25 5.13 0.13 0.24
12 A' 553 553 0.99 1.58 0.37 0.54
13 A' 212 212 3.42 2.59 0.73 0.84
14 A" 3176 3176 10.24 30.52 0.75 0.86
15 A" 3137 3137 0.32 106.86 0.75 0.86
16 A" 1471 1471 8.02 14.44 0.75 0.86
17 A" 1279 1279 0.02 4.97 0.75 0.86
18 A" 1104 1104 0.63 0.12 0.75 0.86
19 A" 784 784 4.49 0.40 0.75 0.86
20 A" 402 402 0.10 2.66 0.75 0.86
21 A" 225 225 0.71 0.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16393.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16393.6 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 M06-2X/cc-pVDZ
ABC
0.92514 0.15690 0.14128

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.509 0.563 0.000
C2 0.000 0.818 0.000
C3 -0.769 -0.432 0.000
N4 -1.358 -1.428 0.000
H5 2.049 1.519 0.000
H6 1.807 -0.007 0.890
H7 1.807 -0.007 -0.890
H8 -0.301 1.398 0.884
H9 -0.301 1.398 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 N4 H5 H6 H7 H8 H9
C11.53052.48613.49041.09761.09781.09782.18082.1808
C21.53051.46762.62402.16542.17662.17661.09951.0995
C32.48611.46761.15653.42732.75842.75842.08542.0854
N43.49042.62401.15654.50413.58153.58153.14323.1432
H51.09762.16543.42734.50411.78281.78282.51382.5138
H61.09782.17662.75843.58151.78281.77922.53353.0928
H71.09782.17662.75843.58151.78281.77923.09282.5335
H82.18081.09952.08543.14322.51382.53353.09281.7687
H92.18081.09952.08543.14322.51383.09282.53351.7687

picture of ethyl cyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.019 C1 C2 H8 110.971
C1 C2 H9 110.971 C2 C1 H5 109.862
C2 C1 H6 110.739 C2 C1 H7 110.739
C2 C3 N4 179.017 C3 C2 H8 107.791
C3 C2 H9 107.791 H5 C1 H6 108.593
H5 C1 H7 108.593 H6 C1 H7 108.251
H8 C2 H9 107.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.078      
2 C -0.064      
3 C -0.111      
4 N -0.109      
5 H 0.054      
6 H 0.066      
7 H 0.066      
8 H 0.088      
9 H 0.088      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.174 3.164 0.000 3.838
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.801 -3.424 0.000
y -3.424 -27.107 0.000
z 0.000 0.000 -23.747
Traceless
 xyz
x -1.374 -3.424 0.000
y -3.424 -1.833 0.000
z 0.000 0.000 3.207
Polar
3z2-r26.413
x2-y20.306
xy-3.424
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.473 1.130 0.000
y 1.130 5.878 0.000
z 0.000 0.000 4.142


<r2> (average value of r2) Å2
<r2> 87.861
(<r2>)1/2 9.373