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

using model chemistry: PBEPBE/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 PBEPBE/6-311G**
 hartrees
Energy at 0K-211.152140
Energy at 298.15K-211.159273
HF Energy-211.152140
Nuclear repulsion energy158.324458
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 PBEPBE/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' 3065 3037 19.65      
2 A' 3059 3031 34.14      
3 A' 2981 2954 17.05      
4 A' 2960 2933 3.97      
5 A' 2267 2246 7.67      
6 A' 1463 1450 11.40      
7 A' 1452 1438 10.42      
8 A' 1370 1358 3.57      
9 A' 1301 1289 4.85      
10 A' 1154 1144 3.40      
11 A' 1089 1079 4.15      
12 A' 910 902 1.48      
13 A' 758 751 0.34      
14 A' 539 534 1.12      
15 A' 342 339 0.14      
16 A' 275 273 0.74      
17 A' 213 211 1.55      
18 A" 3064 3036 13.16      
19 A" 3055 3027 0.19      
20 A" 2979 2952 15.81      
21 A" 1441 1427 2.77      
22 A" 1438 1425 2.10      
23 A" 1349 1337 5.63      
24 A" 1271 1259 0.54      
25 A" 1096 1086 3.03      
26 A" 944 936 0.12      
27 A" 908 900 2.39      
28 A" 560 555 0.09      
29 A" 220 218 0.02      
30 A" 183 181 3.83      

Unscaled Zero Point Vibrational Energy (zpe) 21853.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 21654.8 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 PBEPBE/6-311G**
ABC
0.26258 0.13114 0.09580

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.406 -2.187 0.000
C2 0.026 -1.085 0.000
C3 -0.437 0.307 0.000
C4 0.026 1.032 1.280
C5 0.026 1.032 -1.280
H6 -1.541 0.267 0.000
H7 -0.374 2.057 1.290
H8 -0.324 0.513 2.184
H9 1.124 1.088 1.319
H10 -0.374 2.057 -1.290
H11 -0.324 0.513 -2.184
H12 1.124 1.088 -1.319

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16612.63303.48533.48533.13304.50403.54883.60284.50403.54883.6028
C21.16611.46692.47392.47392.06983.41982.72842.76853.41982.72842.7685
C32.63301.46691.54221.54221.10542.17472.19612.18732.17472.19612.1873
C43.48532.47391.54222.56062.16341.10031.09901.10012.79563.52002.8222
C53.48532.47391.54222.56062.16342.79563.52002.82221.10031.09901.1001
H63.13302.06981.10542.16342.16342.49612.51173.08482.49612.51173.0848
H74.50403.41982.17471.10032.79562.49611.78471.78422.57933.80123.1602
H83.54882.72842.19611.09903.52002.51171.78471.78213.80124.36703.8334
H93.60282.76852.18731.10012.82223.08481.78421.78213.16023.83342.6378
H104.50403.41982.17472.79561.10032.49612.57933.80123.16021.78471.7842
H113.54882.72842.19613.52001.09902.51173.80124.36703.83341.78471.7821
H123.60282.76852.18732.82221.10013.08483.16023.83342.63781.78421.7821

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 179.365 C2 C3 C4 110.573
C2 C3 C5 110.573 C2 C3 H6 106.304
C3 C4 H7 109.634 C3 C4 H8 111.393
C3 C4 H9 110.625 C3 C5 H10 109.634
C3 C5 H11 111.393 C3 C5 H12 110.625
C4 C3 C5 112.231 C4 C3 H6 108.468
C5 C3 H6 108.468 H7 C4 H8 108.488
H7 C4 H9 108.362 H8 C4 H9 108.259
H10 C5 H11 108.488 H10 C5 H12 108.362
H11 C5 H12 108.259
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.238      
2 C 0.104      
3 C -0.257      
4 C -0.304      
5 C -0.304      
6 H 0.176      
7 H 0.130      
8 H 0.143      
9 H 0.139      
10 H 0.130      
11 H 0.143      
12 H 0.139      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.123 3.762 0.000 3.926
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.769 1.669 0.000
y 1.669 -39.186 0.000
z 0.000 0.000 -30.210
Traceless
 xyz
x 3.929 1.669 0.000
y 1.669 -8.697 0.000
z 0.000 0.000 4.768
Polar
3z2-r29.536
x2-y28.417
xy1.669
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.151 -0.633 0.000
y -0.633 8.876 0.000
z 0.000 0.000 6.975


<r2> (average value of r2) Å2
<r2> 129.892
(<r2>)1/2 11.397