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

using model chemistry: B2PLYP/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 B2PLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-211.276581
Energy at 298.15K-211.283849
HF Energy-210.987402
Nuclear repulsion energy159.290294
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/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' 3142 3019 18.45      
2 A' 3136 3014 32.15      
3 A' 3061 2942 14.84      
4 A' 3057 2938 3.60      
5 A' 2277 2188 4.66      
6 A' 1525 1466 9.69      
7 A' 1516 1457 8.27      
8 A' 1435 1379 2.60      
9 A' 1362 1309 6.46      
10 A' 1204 1158 2.67      
11 A' 1137 1093 3.90      
12 A' 935 899 0.50      
13 A' 774 744 0.57      
14 A' 549 528 1.02      
15 A' 354 340 0.25      
16 A' 284 273 0.98      
17 A' 219 210 2.36      
18 A" 3140 3018 12.51      
19 A" 3132 3009 0.02      
20 A" 3058 2939 14.89      
21 A" 1505 1446 2.86      
22 A" 1503 1444 1.06      
23 A" 1415 1360 3.45      
24 A" 1335 1283 0.37      
25 A" 1137 1093 2.65      
26 A" 982 944 0.09      
27 A" 947 910 1.57      
28 A" 570 548 0.00      
29 A" 226 217 0.01      
30 A" 186 179 4.91      

Unscaled Zero Point Vibrational Energy (zpe) 22551.3 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 21671.8 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 B2PLYP/aug-cc-pVTZ
ABC
0.26607 0.13237 0.09685

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.405 -2.176 0.000
C2 0.026 -1.082 0.000
C3 -0.440 0.309 0.000
C4 0.026 1.027 1.272
C5 0.026 1.027 -1.272
H6 -1.531 0.268 0.000
H7 -0.364 2.044 1.280
H8 -0.322 0.515 2.166
H9 1.114 1.076 1.306
H10 -0.364 2.044 -1.280
H11 -0.322 0.515 -2.166
H12 1.114 1.076 -1.306

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15822.62473.46753.46753.11854.47663.53023.57504.47663.53023.5750
C21.15821.46662.46302.46302.06113.40022.71332.74633.40022.71332.7463
C32.62471.46661.53351.53351.09202.15782.17902.16972.15782.17902.1697
C43.46752.46301.53352.54412.14931.08891.08781.08882.77503.49352.7987
C53.46752.46301.53352.54412.14932.77503.49352.79871.08891.08781.0888
H63.11852.06111.09202.14932.14932.48092.49283.05822.48092.49283.0582
H74.47663.40022.15781.08892.77502.48091.76751.76662.56083.77063.1324
H83.53022.71332.17901.08783.49352.49281.76751.76473.77064.33203.7991
H93.57502.74632.16971.08882.79873.05821.76661.76473.13243.79912.6129
H104.47663.40022.15782.77501.08892.48092.56083.77063.13241.76751.7666
H113.53022.71332.17903.49351.08782.49283.77064.33203.79911.76751.7647
H123.57502.74632.16972.79871.08883.05823.13243.79912.61291.76661.7647

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 179.427 C2 C3 C4 110.344
C2 C3 C5 110.344 C2 C3 H6 106.408
C3 C4 H7 109.571 C3 C4 H8 111.321
C3 C4 H9 110.514 C3 C5 H10 109.571
C3 C5 H11 111.321 C3 C5 H12 110.514
C4 C3 C5 112.094 C4 C3 H6 108.730
C5 C3 H6 108.730 H7 C4 H8 108.590
H7 C4 H9 108.431 H8 C4 H9 108.343
H10 C5 H11 108.590 H10 C5 H12 108.431
H11 C5 H12 108.343
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.628      
2 C 0.268      
3 C 0.406      
4 C -0.864      
5 C -0.864      
6 H 0.218      
7 H 0.235      
8 H 0.241      
9 H 0.257      
10 H 0.235      
11 H 0.241      
12 H 0.257      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.195 3.954 0.000 4.131
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.034 1.814 0.000
y 1.814 -40.053 0.000
z 0.000 0.000 -30.556
Traceless
 xyz
x 4.271 1.814 0.000
y 1.814 -9.258 0.000
z 0.000 0.000 4.987
Polar
3z2-r29.974
x2-y29.019
xy1.814
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.817 -0.517 -0.000
y -0.517 9.370 0.000
z -0.000 0.000 7.673


<r2> (average value of r2) Å2
<r2> 128.950
(<r2>)1/2 11.356