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

using model chemistry: B2PLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-311G*
 hartrees
Energy at 0K-211.193428
Energy at 298.15K-211.200722
HF Energy-210.954947
Nuclear repulsion energy158.930519
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 B2PLYP/6-311G*
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' 3152 3152 28.32      
2 A' 3146 3146 44.35      
3 A' 3070 3070 18.76      
4 A' 3067 3067 4.45      
5 A' 2285 2285 2.02      
6 A' 1545 1545 13.98      
7 A' 1535 1535 8.79      
8 A' 1454 1454 4.49      
9 A' 1376 1376 5.39      
10 A' 1213 1213 3.08      
11 A' 1146 1146 4.94      
12 A' 942 942 0.46      
13 A' 778 778 0.72      
14 A' 554 554 1.10      
15 A' 358 358 0.19      
16 A' 291 291 0.78      
17 A' 224 224 1.99      
18 A" 3150 3150 16.25      
19 A" 3141 3141 0.44      
20 A" 3067 3067 18.89      
21 A" 1523 1523 4.93      
22 A" 1522 1522 0.00      
23 A" 1432 1432 5.63      
24 A" 1348 1348 0.30      
25 A" 1147 1147 2.42      
26 A" 988 988 0.13      
27 A" 955 955 1.94      
28 A" 575 575 0.06      
29 A" 232 232 0.01      
30 A" 189 189 4.43      

Unscaled Zero Point Vibrational Energy (zpe) 22702.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22702.4 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 B2PLYP/6-311G*
ABC
0.26477 0.13182 0.09641

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.406 -2.181 0.000
C2 0.026 -1.084 0.000
C3 -0.440 0.309 0.000
C4 0.026 1.029 1.275
C5 0.026 1.029 -1.275
H6 -1.534 0.272 0.000
H7 -0.363 2.049 1.286
H8 -0.325 0.517 2.171
H9 1.116 1.078 1.314
H10 -0.363 2.049 -1.286
H11 -0.325 0.517 -2.171
H12 1.116 1.078 -1.314

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16092.63003.47483.47483.12764.48753.53973.58504.48753.53973.5850
C21.16091.46912.46792.46792.06733.40892.72062.75473.40892.72062.7547
C32.63001.46911.53641.53641.09512.16482.18432.17662.16482.18432.1766
C43.47482.46791.53642.54962.15261.09161.09041.09132.78393.50162.8093
C53.47482.46791.53642.54962.15262.78393.50162.80931.09161.09041.0913
H63.12762.06731.09512.15262.15262.48652.49763.06592.48652.49763.0659
H74.48753.40892.16481.09162.78392.48651.76941.76942.57243.78183.1451
H83.53972.72062.18431.09043.50162.49761.76941.76763.78184.34273.8129
H93.58502.75472.17661.09132.80933.06591.76941.76763.14513.81292.6283
H104.48753.40892.16482.78391.09162.48652.57243.78183.14511.76941.7694
H113.53972.72062.18433.50161.09042.49763.78184.34273.81291.76941.7676
H123.58502.75472.17662.80931.09133.06593.14513.81292.62831.76941.7676

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 179.398 C2 C3 C4 110.373
C2 C3 C5 110.373 C2 C3 H6 106.543
C3 C4 H7 109.760 C3 C4 H8 111.383
C3 C4 H9 110.715 C3 C5 H10 109.760
C3 C5 H11 111.383 C3 C5 H12 110.715
C4 C3 C5 112.143 C4 C3 H6 108.609
C5 C3 H6 108.609 H7 C4 H8 108.367
H7 C4 H9 108.302 H8 C4 H9 108.224
H10 C5 H11 108.367 H10 C5 H12 108.302
H11 C5 H12 108.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.237      
2 C 0.120      
3 C -0.283      
4 C -0.612      
5 C -0.612      
6 H 0.251      
7 H 0.223      
8 H 0.235      
9 H 0.228      
10 H 0.223      
11 H 0.235      
12 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.144 3.759 0.000 3.929
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.935 1.701 0.000
y 1.701 -39.571 0.000
z 0.000 0.000 -30.566
Traceless
 xyz
x 4.134 1.701 0.000
y 1.701 -8.821 0.000
z 0.000 0.000 4.687
Polar
3z2-r29.373
x2-y28.636
xy1.701
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.865 -0.595 0.000
y -0.595 8.291 0.000
z 0.000 0.000 6.531


<r2> (average value of r2) Å2
<r2> 129.343
(<r2>)1/2 11.373