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

using model chemistry: HF/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 HF/STO-3G
 hartrees
Energy at 0K-207.432656
Energy at 298.15K-207.439987
HF Energy-207.432656
Nuclear repulsion energy158.088119
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 HF/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' 3763 3073 0.16      
2 A' 3761 3071 0.26      
3 A' 3637 2969 0.02      
4 A' 3576 2920 0.41      
5 A' 2755 2249 9.73      
6 A' 1829 1494 2.20      
7 A' 1825 1491 3.98      
8 A' 1737 1418 0.09      
9 A' 1607 1312 18.75      
10 A' 1410 1151 3.05      
11 A' 1327 1083 6.84      
12 A' 1096 895 0.53      
13 A' 882 720 2.61      
14 A' 624 510 2.18      
15 A' 395 322 0.27      
16 A' 309 252 1.80      
17 A' 236 193 1.18      
18 A" 3762 3072 0.01      
19 A" 3760 3070 0.03      
20 A" 3576 2920 0.50      
21 A" 1822 1487 1.33      
22 A" 1819 1485 0.02      
23 A" 1722 1406 0.20      
24 A" 1599 1306 2.21      
25 A" 1351 1103 0.95      
26 A" 1156 944 0.82      
27 A" 1115 910 1.16      
28 A" 645 527 0.19      
29 A" 233 190 0.16      
30 A" 217 177 3.94      

Unscaled Zero Point Vibrational Energy (zpe) 26771.9 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 21859.3 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 HF/STO-3G
ABC
0.26224 0.12940 0.09485

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.149 -2.229 0.000
C2 -0.096 -1.101 0.000
C3 -0.407 0.365 0.000
C4 0.149 1.032 1.283
C5 0.149 1.032 -1.283
H6 -1.496 0.460 0.000
H7 -0.117 2.084 1.291
H8 -0.267 0.561 2.169
H9 1.230 0.947 1.319
H10 -0.117 2.084 -1.291
H11 -0.267 0.561 -2.169
H12 1.230 0.947 -1.319

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15432.65283.50423.50423.15254.51043.55873.60524.51043.55873.6052
C21.15431.49852.50112.50112.09693.43722.73822.77403.43722.73822.7740
C32.65281.49851.54931.54931.09262.16972.18252.18202.16972.18252.1820
C43.50422.50111.54932.56642.16251.08581.08571.08572.79383.50892.8197
C53.50422.50111.54932.56642.16252.79383.50892.81971.08581.08571.0857
H63.15252.09691.09262.16252.16252.49052.49493.06732.49052.49493.0673
H74.51043.43722.16971.08582.79382.49051.76431.76402.58203.78343.1504
H83.55872.73822.18251.08573.50892.49491.76431.76443.78344.33813.8158
H93.60522.77402.18201.08572.81973.06731.76401.76443.15043.81582.6387
H104.51043.43722.16972.79381.08582.49052.58203.78343.15041.76431.7640
H113.55872.73822.18253.50891.08572.49493.78344.33813.81581.76431.7644
H123.60522.77402.18202.81971.08573.06733.15043.81582.63871.76401.7644

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 179.719 C2 C3 C4 110.283
C2 C3 C5 110.283 C2 C3 H6 107.000
C3 C4 H7 109.594 C3 C4 H8 110.608
C3 C4 H9 110.574 C3 C5 H10 109.594
C3 C5 H11 110.608 C3 C5 H12 110.574
C4 C3 C5 111.841 C4 C3 H6 108.642
C5 C3 H6 108.642 H7 C4 H8 108.677
H7 C4 H9 108.648 H8 C4 H9 108.690
H10 C5 H11 108.677 H10 C5 H12 108.648
H11 C5 H12 108.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.207      
2 C 0.062      
3 C -0.015      
4 C -0.174      
5 C -0.174      
6 H 0.083      
7 H 0.069      
8 H 0.072      
9 H 0.071      
10 H 0.069      
11 H 0.072      
12 H 0.071      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.569 3.217 0.000 3.267
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.528 0.746 0.000
y 0.746 -36.881 0.000
z 0.000 0.000 -28.539
Traceless
 xyz
x 4.183 0.746 0.000
y 0.746 -8.347 0.000
z 0.000 0.000 4.165
Polar
3z2-r28.329
x2-y28.353
xy0.746
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.708 -0.281 0.000
y -0.281 4.473 0.000
z 0.000 0.000 2.922


<r2> (average value of r2) Å2
<r2> 129.401
(<r2>)1/2 11.375