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

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-211.374482
Energy at 298.15K-211.381726
HF Energy-211.374482
Nuclear repulsion energy159.499588
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 B3PW91/cc-pVTZ
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' 3132 3012 18.36      
2 A' 3126 3006 29.77      
3 A' 3049 2932 15.77      
4 A' 3038 2922 2.42      
5 A' 2356 2265 11.35      
6 A' 1505 1447 10.07      
7 A' 1494 1437 9.43      
8 A' 1418 1363 3.17      
9 A' 1346 1294 5.48      
10 A' 1193 1147 3.19      
11 A' 1124 1081 4.46      
12 A' 933 898 1.00      
13 A' 775 745 0.47      
14 A' 554 532 1.24      
15 A' 348 335 0.21      
16 A' 280 269 1.02      
17 A' 217 209 1.90      
18 A" 3131 3010 11.48      
19 A" 3122 3002 0.27      
20 A" 3047 2930 15.01      
21 A" 1483 1426 3.15      
22 A" 1481 1424 1.19      
23 A" 1396 1343 4.67      
24 A" 1318 1267 0.29      
25 A" 1131 1088 2.73      
26 A" 973 936 0.18      
27 A" 936 900 2.19      
28 A" 578 556 0.00      
29 A" 222 214 0.02      
30 A" 187 180 4.50      

Unscaled Zero Point Vibrational Energy (zpe) 22446.4 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 21584.5 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 B3PW91/cc-pVTZ
ABC
0.26598 0.13304 0.09711

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.398 -2.170 0.000
C2 0.027 -1.081 0.000
C3 -0.433 0.308 0.000
C4 0.027 1.025 1.273
C5 0.027 1.025 -1.273
H6 -1.527 0.265 0.000
H7 -0.367 2.042 1.283
H8 -0.322 0.510 2.167
H9 1.116 1.078 1.313
H10 -0.367 2.042 -1.283
H11 -0.322 0.510 -2.167
H12 1.116 1.078 -1.313

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15132.61403.45963.45963.10474.46993.52163.57674.46993.52163.5767
C21.15131.46272.46042.46042.05593.39932.71102.75133.39932.71102.7513
C32.61401.46271.53181.53181.09492.15882.17952.17182.15882.17952.1718
C43.45962.46041.53182.54532.14801.09091.08971.09072.77913.49572.8058
C53.45962.46041.53182.54532.14802.77913.49572.80581.09091.08971.0907
H63.10472.05591.09492.14802.14802.48062.49183.06132.48062.49183.0613
H74.46993.39932.15881.09092.77912.48061.76941.76872.56673.77573.1412
H83.52162.71102.17951.08973.49572.49181.76941.76673.77574.33443.8081
H93.57672.75132.17181.09072.80583.06131.76871.76673.14123.80812.6256
H104.46993.39932.15882.77911.09092.48062.56673.77573.14121.76941.7687
H113.52162.71102.17953.49571.08972.49183.77574.33443.80811.76941.7667
H123.57672.75132.17182.80581.09073.06133.14123.80812.62561.76871.7667

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 179.544 C2 C3 C4 110.483
C2 C3 C5 110.483 C2 C3 H6 106.107
C3 C4 H7 109.653 C3 C4 H8 111.364
C3 C4 H9 110.699 C3 C5 H10 109.653
C3 C5 H11 111.364 C3 C5 H12 110.699
C4 C3 C5 112.371 C4 C3 H6 108.582
C5 C3 H6 108.582 H7 C4 H8 108.467
H7 C4 H9 108.334 H8 C4 H9 108.240
H10 C5 H11 108.467 H10 C5 H12 108.334
H11 C5 H12 108.240
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.089      
2 C -0.066      
3 C -0.070      
4 C -0.251      
5 C -0.251      
6 H 0.120      
7 H 0.094      
8 H 0.107      
9 H 0.102      
10 H 0.094      
11 H 0.107      
12 H 0.102      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.160 3.924 0.000 4.092
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.454 1.724 0.000
y 1.724 -39.234 0.000
z 0.000 0.000 -29.942
Traceless
 xyz
x 4.134 1.724 0.000
y 1.724 -9.036 0.000
z 0.000 0.000 4.902
Polar
3z2-r29.803
x2-y28.780
xy1.724
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.337 -0.552 0.000
y -0.552 8.917 0.000
z 0.000 0.000 7.177


<r2> (average value of r2) Å2
<r2> 128.282
(<r2>)1/2 11.326