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

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-211.173545
Energy at 298.15K-211.180654
HF Energy-211.173545
Nuclear repulsion energy158.604480
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 PBEPBEultrafine/aug-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' 3059 3024 15.78      
2 A' 3052 3018 27.76      
3 A' 2978 2945 16.25      
4 A' 2955 2922 2.78      
5 A' 2258 2232 10.89      
6 A' 1458 1442 10.37      
7 A' 1447 1431 9.44      
8 A' 1368 1353 2.82      
9 A' 1297 1283 5.16      
10 A' 1154 1141 2.87      
11 A' 1087 1075 3.59      
12 A' 908 897 1.52      
13 A' 756 748 0.29      
14 A' 536 530 1.09      
15 A' 340 336 0.17      
16 A' 271 268 0.92      
17 A' 209 207 1.83      
18 A" 3058 3024 11.33      
19 A" 3049 3015 0.01      
20 A" 2976 2943 14.57      
21 A" 1436 1420 1.89      
22 A" 1434 1418 2.54      
23 A" 1347 1332 4.70      
24 A" 1268 1254 0.46      
25 A" 1093 1081 3.15      
26 A" 944 933 0.09      
27 A" 906 896 1.97      
28 A" 557 551 0.02      
29 A" 215 213 0.02      
30 A" 180 178 4.26      

Unscaled Zero Point Vibrational Energy (zpe) 21797.0 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 21552.8 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.26353 0.13158 0.09613

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.405 -2.183 0.000
C2 0.026 -1.083 0.000
C3 -0.436 0.308 0.000
C4 0.026 1.030 1.278
C5 0.026 1.030 -1.278
H6 -1.539 0.267 0.000
H7 -0.371 2.054 1.286
H8 -0.325 0.513 2.179
H9 1.122 1.085 1.317
H10 -0.371 2.054 -1.286
H11 -0.325 0.513 -2.179
H12 1.122 1.085 -1.317

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16352.62923.47923.47923.12744.49583.54313.59554.49583.54313.5955
C21.16351.46572.47002.47002.06653.41392.72432.76333.41392.72432.7633
C32.62921.46571.53921.53921.10342.16972.19192.18312.16972.19192.1831
C43.47922.47001.53922.55612.15971.09831.09701.09822.78913.51362.8178
C53.47922.47001.53922.55612.15972.78913.51362.81781.09831.09701.0982
H63.12742.06651.10342.15972.15972.49202.50663.07942.49202.50663.0794
H74.49583.41392.16971.09832.78912.49201.78211.78102.57153.79273.1538
H83.54312.72432.19191.09703.51362.50661.78211.77903.79274.35893.8273
H93.59552.76332.18311.09822.81783.07941.78101.77903.15383.82732.6344
H104.49583.41392.16972.78911.09832.49202.57153.79273.15381.78211.7810
H113.54312.72432.19193.51361.09702.50663.79274.35893.82731.78211.7790
H123.59552.76332.18312.81781.09823.07943.15383.82732.63441.78101.7790

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 179.362 C2 C3 C4 110.548
C2 C3 C5 110.548 C2 C3 H6 106.247
C3 C4 H7 109.564 C3 C4 H8 111.393
C3 C4 H9 110.630 C3 C5 H10 109.564
C3 C5 H11 111.393 C3 C5 H12 110.630
C4 C3 C5 112.268 C4 C3 H6 108.502
C5 C3 H6 108.502 H7 C4 H8 108.540
H7 C4 H9 108.364 H8 C4 H9 108.271
H10 C5 H11 108.540 H10 C5 H12 108.364
H11 C5 H12 108.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.601      
2 C 0.282      
3 C 0.455      
4 C -0.720      
5 C -0.720      
6 H 0.119      
7 H 0.204      
8 H 0.184      
9 H 0.205      
10 H 0.204      
11 H 0.184      
12 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.184 3.955 0.000 4.128
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.000 1.777 0.000
y 1.777 -39.913 0.000
z 0.000 0.000 -30.442
Traceless
 xyz
x 4.177 1.777 0.000
y 1.777 -9.192 0.000
z 0.000 0.000 5.014
Polar
3z2-r210.029
x2-y28.913
xy1.777
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.137 -0.565 0.000
y -0.565 9.962 0.000
z 0.000 0.000 8.087


<r2> (average value of r2) Å2
<r2> 129.759
(<r2>)1/2 11.391