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

using model chemistry: HSEh1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/STO-3G
 hartrees
Energy at 0K-208.559373
Energy at 298.15K-208.566347
HF Energy-208.559373
Nuclear repulsion energy156.644328
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 HSEh1PBE/STO-3G
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' 3547 3132 0.03      
2 A' 3543 3129 0.05      
3 A' 3398 3001 0.19      
4 A' 3366 2973 0.32      
5 A' 2437 2152 9.20      
6 A' 1694 1496 4.87      
7 A' 1688 1491 8.08      
8 A' 1586 1401 0.92      
9 A' 1464 1293 11.39      
10 A' 1299 1148 4.50      
11 A' 1219 1076 8.51      
12 A' 1013 895 1.29      
13 A' 822 726 0.64      
14 A' 566 500 1.90      
15 A' 363 320 0.15      
16 A' 278 246 0.79      
17 A' 214 189 0.84      
18 A" 3545 3131 0.00      
19 A" 3542 3128 0.03      
20 A" 3366 2973 0.28      
21 A" 1685 1488 2.40      
22 A" 1681 1485 0.36      
23 A" 1569 1385 0.83      
24 A" 1454 1284 0.81      
25 A" 1245 1099 1.62      
26 A" 1067 943 0.71      
27 A" 1027 907 3.00      
28 A" 579 512 0.01      
29 A" 218 193 0.04      
30 A" 192 169 2.53      

Unscaled Zero Point Vibrational Energy (zpe) 24833.1 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 21930.2 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 HSEh1PBE/STO-3G
ABC
0.26031 0.12678 0.09338

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.151 -2.261 0.000
C2 -0.102 -1.097 0.000
C3 -0.410 0.370 0.000
C4 0.151 1.039 1.286
C5 0.151 1.039 -1.286
H6 -1.512 0.471 0.000
H7 -0.115 2.105 1.288
H8 -0.271 0.568 2.183
H9 1.244 0.949 1.320
H10 -0.115 2.105 -1.288
H11 -0.271 0.568 -2.183
H12 1.244 0.949 -1.320

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.19122.69013.54223.54223.19864.55943.59793.63924.55943.59793.6392
C21.19121.49892.50652.50652.10913.45112.75052.78253.45112.75052.7825
C32.69011.49891.55461.55461.10702.18072.19632.19402.18072.19632.1940
C43.54222.50651.55462.57222.17781.09781.09751.09742.79863.52632.8276
C53.54222.50651.55462.57222.17782.79863.52632.82761.09781.09751.0974
H63.19862.10911.10702.17782.17782.50582.51323.09322.50582.51323.0932
H74.55943.45112.18071.09782.79862.50581.78521.78402.57643.79943.1598
H83.59792.75052.19631.09753.52632.51321.78521.78453.79944.36603.8355
H93.63922.78252.19401.09742.82763.09321.78401.78453.15983.83552.6400
H104.55943.45112.18072.79861.09782.50582.57643.79943.15981.78521.7840
H113.59792.75052.19633.52631.09752.51323.79944.36603.83551.78521.7845
H123.63922.78252.19402.82761.09743.09323.15983.83552.64001.78401.7845

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 179.590 C2 C3 C4 110.331
C2 C3 C5 110.331 C2 C3 H6 107.100
C3 C4 H7 109.394 C3 C4 H8 110.639
C3 C4 H9 110.454 C3 C5 H10 109.394
C3 C5 H11 110.639 C3 C5 H12 110.454
C4 C3 C5 111.649 C4 C3 H6 108.646
C5 C3 H6 108.646 H7 C4 H8 108.814
H7 C4 H9 108.712 H8 C4 H9 108.784
H10 C5 H11 108.814 H10 C5 H12 108.712
H11 C5 H12 108.784
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.192      
2 C 0.057      
3 C -0.053      
4 C -0.227      
5 C -0.227      
6 H 0.105      
7 H 0.088      
8 H 0.091      
9 H 0.090      
10 H 0.088      
11 H 0.091      
12 H 0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.542 3.164 0.000 3.210
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.088 0.630 0.000
y 0.630 -35.815 0.000
z 0.000 0.000 -28.055
Traceless
 xyz
x 3.847 0.630 0.000
y 0.630 -7.743 0.000
z 0.000 0.000 3.896
Polar
3z2-r27.792
x2-y27.727
xy0.630
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.738 -0.298 0.000
y -0.298 4.728 0.000
z 0.000 0.000 2.989


<r2> (average value of r2) Å2
<r2> 130.707
(<r2>)1/2 11.433