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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-211.266303
Energy at 298.15K-211.273607
HF Energy-211.266303
Nuclear repulsion energy158.589070
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 mPW1PW91/6-31G
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' 3182 3012 21.98      
2 A' 3177 3007 37.18      
3 A' 3084 2919 17.47      
4 A' 3070 2906 4.91      
5 A' 2338 2213 10.47      
6 A' 1559 1476 15.60      
7 A' 1551 1468 12.46      
8 A' 1474 1396 5.68      
9 A' 1389 1315 4.37      
10 A' 1230 1164 5.50      
11 A' 1169 1107 9.94      
12 A' 957 906 1.12      
13 A' 788 746 0.59      
14 A' 566 536 1.69      
15 A' 362 343 0.20      
16 A' 285 270 0.72      
17 A' 220 208 1.37      
18 A" 3180 3010 14.34      
19 A" 3173 3003 0.44      
20 A" 3082 2917 18.90      
21 A" 1539 1457 3.47      
22 A" 1538 1456 3.10      
23 A" 1456 1378 9.76      
24 A" 1354 1281 0.20      
25 A" 1160 1098 3.72      
26 A" 1005 951 0.01      
27 A" 974 922 3.92      
28 A" 579 548 0.57      
29 A" 226 214 0.03      
30 A" 189 179 3.51      

Unscaled Zero Point Vibrational Energy (zpe) 22927.2 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 21702.9 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 mPW1PW91/6-31G
ABC
0.26495 0.13090 0.09595

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.407 -2.191 0.000
C2 0.026 -1.084 0.000
C3 -0.438 0.306 0.000
C4 0.026 1.034 1.274
C5 0.026 1.034 -1.274
H6 -1.536 0.276 0.000
H7 -0.371 2.052 1.279
H8 -0.323 0.522 2.174
H9 1.117 1.089 1.311
H10 -0.371 2.052 -1.279
H11 -0.323 0.522 -2.174
H12 1.117 1.089 -1.311

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17012.63583.48793.48793.14014.49943.55253.60204.49943.55253.6020
C21.17011.46582.47192.47192.07143.41072.72592.76233.41072.72592.7623
C32.63581.46581.53921.53921.09852.16582.18812.17942.16582.18812.1794
C43.48792.47191.53922.54882.15401.09331.09231.09322.77763.50392.8064
C53.48792.47191.53922.54882.15402.77763.50392.80641.09331.09231.0932
H63.14012.07141.09852.15402.15402.48032.50223.06922.48032.50223.0692
H74.49943.41072.16581.09332.77762.48031.77361.77302.55803.77753.1382
H83.55252.72592.18811.09233.50392.50221.77361.77223.77754.34873.8130
H93.60202.76232.17941.09322.80643.06921.77301.77223.13823.81302.6211
H104.49943.41072.16582.77761.09332.48032.55803.77753.13821.77361.7730
H113.55252.72592.18813.50391.09232.50223.77754.34873.81301.77361.7722
H123.60202.76232.17942.80641.09323.06923.13823.81302.62111.77301.7722

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 179.444 C2 C3 C4 110.667
C2 C3 C5 110.667 C2 C3 H6 106.883
C3 C4 H7 109.553 C3 C4 H8 111.374
C3 C4 H9 110.622 C3 C5 H10 109.553
C3 C5 H11 111.374 C3 C5 H12 110.622
C4 C3 C5 111.777 C4 C3 H6 108.333
C5 C3 H6 108.333 H7 C4 H8 108.483
H7 C4 H9 108.368 H8 C4 H9 108.362
H10 C5 H11 108.483 H10 C5 H12 108.368
H11 C5 H12 108.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.317      
2 C 0.175      
3 C -0.238      
4 C -0.470      
5 C -0.470      
6 H 0.222      
7 H 0.177      
8 H 0.187      
9 H 0.185      
10 H 0.177      
11 H 0.187      
12 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.152 3.897 0.000 4.064
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.330 1.895 0.000
y 1.895 -39.309 0.000
z 0.000 0.000 -29.644
Traceless
 xyz
x 4.146 1.895 0.000
y 1.895 -9.322 0.000
z 0.000 0.000 5.176
Polar
3z2-r210.351
x2-y28.979
xy1.895
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.416 -0.695 0.000
y -0.695 7.985 0.000
z 0.000 0.000 5.872


<r2> (average value of r2) Å2
<r2> 129.434
(<r2>)1/2 11.377