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

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-211.338458
Energy at 298.15K-211.345725
HF Energy-211.338458
Nuclear repulsion energy158.944728
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/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' 3171 3038 14.92      
2 A' 3164 3032 26.14      
3 A' 3072 2944 15.71      
4 A' 3069 2941 4.04      
5 A' 2385 2285 10.11      
6 A' 1489 1427 8.95      
7 A' 1477 1415 9.69      
8 A' 1407 1348 2.47      
9 A' 1343 1287 7.70      
10 A' 1193 1144 3.52      
11 A' 1122 1075 4.89      
12 A' 947 907 0.97      
13 A' 787 754 0.67      
14 A' 555 532 1.21      
15 A' 352 337 0.14      
16 A' 287 275 0.79      
17 A' 221 212 1.68      
18 A" 3170 3038 9.57      
19 A" 3161 3030 0.27      
20 A" 3071 2943 15.95      
21 A" 1466 1405 3.32      
22 A" 1463 1402 0.70      
23 A" 1387 1329 3.33      
24 A" 1319 1264 0.62      
25 A" 1147 1099 2.59      
26 A" 976 936 0.47      
27 A" 934 895 2.34      
28 A" 577 552 0.06      
29 A" 227 218 0.02      
30 A" 189 181 3.96      

Unscaled Zero Point Vibrational Energy (zpe) 22562.4 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 21621.6 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 mPW1PW91/cc-pVDZ
ABC
0.26511 0.13213 0.09660

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.401 -2.179 0.000
C2 0.027 -1.081 0.000
C3 -0.435 0.312 0.000
C4 0.027 1.027 1.273
C5 0.027 1.027 -1.273
H6 -1.537 0.267 0.000
H7 -0.369 2.052 1.286
H8 -0.326 0.508 2.174
H9 1.124 1.080 1.314
H10 -0.369 2.052 -1.286
H11 -0.326 0.508 -2.174
H12 1.124 1.080 -1.314

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15972.62733.47013.47013.12034.48923.53233.58754.48923.53233.5875
C21.15971.46762.46322.46322.06443.41062.71632.75713.41062.71632.7571
C32.62731.46761.53161.53161.10292.16532.18582.17842.16532.18582.1784
C43.47012.46321.53162.54662.15481.09901.09791.09912.78553.50422.8111
C53.47012.46321.53162.54662.15482.78553.50422.81111.09901.09791.0991
H63.12032.06441.10292.15482.15482.49142.50023.07662.49142.50023.0766
H74.48923.41062.16531.09902.78552.49141.78191.78162.57263.78973.1523
H83.53232.71632.18581.09793.50422.50021.78191.77983.78974.34843.8208
H93.58752.75712.17841.09912.81113.07661.78161.77983.15233.82082.6287
H104.48923.41062.16532.78551.09902.49142.57263.78973.15231.78191.7816
H113.53232.71632.18583.50421.09792.50023.78974.34843.82081.78191.7798
H123.58752.75712.17842.81111.09913.07663.15233.82082.62871.78161.7798

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 179.497 C2 C3 C4 110.409
C2 C3 C5 110.409 C2 C3 H6 105.979
C3 C4 H7 109.708 C3 C4 H8 111.389
C3 C4 H9 110.732 C3 C5 H10 109.708
C3 C5 H11 111.389 C3 C5 H12 110.732
C4 C3 C5 112.478 C4 C3 H6 108.661
C5 C3 H6 108.661 H7 C4 H8 108.406
H7 C4 H9 108.304 H8 C4 H9 108.213
H10 C5 H11 108.406 H10 C5 H12 108.304
H11 C5 H12 108.213
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.150      
2 C -0.009      
3 C -0.197      
4 C -0.033      
5 C -0.033      
6 H 0.075      
7 H 0.050      
8 H 0.062      
9 H 0.061      
10 H 0.050      
11 H 0.062      
12 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.102 3.747 0.000 3.905
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.264 1.603 0.000
y 1.603 -38.476 0.000
z 0.000 0.000 -29.735
Traceless
 xyz
x 3.841 1.603 0.000
y 1.603 -8.476 0.000
z 0.000 0.000 4.635
Polar
3z2-r29.269
x2-y28.212
xy1.603
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.765 -0.576 0.000
y -0.576 8.237 0.000
z 0.000 0.000 6.496


<r2> (average value of r2) Å2
<r2> 128.663
(<r2>)1/2 11.343