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All results from a given calculation for CH3CH(CH3)CN (Propanenitrile, 2-methyl-)

using model chemistry: M06-2X/6-31G*

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/6-31G*
 hartrees
Energy at 0K-211.278567
Energy at 298.15K-211.285812
HF Energy-211.278567
Nuclear repulsion energy159.116760
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/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' 3178 3010 14.06      
2 A' 3169 3001 27.31      
3 A' 3094 2930 6.84      
4 A' 3087 2923 10.84      
5 A' 2428 2299 8.73      
6 A' 1540 1458 9.07      
7 A' 1530 1448 8.93      
8 A' 1447 1370 3.40      
9 A' 1370 1297 6.27      
10 A' 1209 1145 2.35      
11 A' 1140 1079 5.37      
12 A' 951 901 0.87      
13 A' 788 746 0.85      
14 A' 560 530 1.31      
15 A' 356 337 0.27      
16 A' 287 272 1.00      
17 A' 219 208 2.12      
18 A" 3178 3009 10.46      
19 A" 3166 2998 0.12      
20 A" 3086 2923 11.89      
21 A" 1519 1438 3.35      
22 A" 1515 1435 0.58      
23 A" 1425 1350 3.99      
24 A" 1340 1269 0.39      
25 A" 1154 1093 1.55      
26 A" 984 932 0.71      
27 A" 946 895 2.03      
28 A" 582 551 0.00      
29 A" 222 210 0.10      
30 A" 187 178 4.36      

Unscaled Zero Point Vibrational Energy (zpe) 22827.4 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 21617.6 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/6-31G*
ABC
0.26591 0.13211 0.09681

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.407 -2.176 0.000
C2 0.027 -1.084 0.000
C3 -0.446 0.311 0.000
C4 0.027 1.028 1.271
C5 0.027 1.028 -1.271
H6 -1.541 0.269 0.000
H7 -0.365 2.048 1.282
H8 -0.316 0.512 2.170
H9 1.119 1.076 1.296
H10 -0.365 2.048 -1.282
H11 -0.316 0.512 -2.170
H12 1.119 1.076 -1.296

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15582.62883.46733.46733.12664.48163.52943.57274.48163.52943.5727
C21.15581.47302.46492.46492.07183.40752.71592.74623.40752.71592.7462
C32.62881.47301.53381.53381.09642.16072.18352.17142.16072.18352.1714
C43.46732.46491.53382.54182.15631.09361.09241.09362.77693.49672.7902
C53.46732.46491.53382.54182.15632.77693.49672.79021.09361.09241.0936
H63.12662.07181.09642.15632.15632.48822.50393.06752.48822.50393.0675
H74.48163.40752.16071.09362.77692.48821.77601.77442.56323.77903.1294
H83.52942.71592.18351.09243.49672.50391.77601.77333.77904.34083.7944
H93.57272.74622.17141.09362.79023.06751.77441.77333.12943.79442.5923
H104.48163.40752.16072.77691.09362.48822.56323.77903.12941.77601.7744
H113.52942.71592.18353.49671.09242.50393.77904.34083.79441.77601.7733
H123.57272.74622.17142.79021.09363.06753.12943.79442.59231.77441.7733

picture of Propanenitrile, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.516 C2 C3 C4 110.110
C2 C3 C5 110.110 C2 C3 H6 106.554
C3 C4 H7 109.508 C3 C4 H8 111.384
C3 C4 H9 110.348 C3 C5 H10 109.508
C3 C5 H11 111.384 C3 C5 H12 110.348
C4 C3 C5 111.911 C4 C3 H6 108.998
C5 C3 H6 108.998 H7 C4 H8 108.669
H7 C4 H9 108.440 H8 C4 H9 108.423
H10 C5 H11 108.669 H10 C5 H12 108.440
H11 C5 H12 108.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.461      
2 C 0.325      
3 C -0.207      
4 C -0.475      
5 C -0.475      
6 H 0.208      
7 H 0.174      
8 H 0.187      
9 H 0.181      
10 H 0.174      
11 H 0.187      
12 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.126 3.755 0.000 3.921
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.386 1.698 0.000
y 1.698 -38.752 0.000
z 0.000 0.000 -29.843
Traceless
 xyz
x 3.911 1.698 0.000
y 1.698 -8.637 0.000
z 0.000 0.000 4.726
Polar
3z2-r29.452
x2-y28.365
xy1.698
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.539 -0.641 0.000
y -0.641 7.940 0.000
z 0.000 0.000 6.014


<r2> (average value of r2) Å2
<r2> 128.522
(<r2>)1/2 11.337