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

using model chemistry: HF/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-210.013199
Energy at 298.15K-210.020758
HF Energy-210.013199
Nuclear repulsion energy159.611187
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/6-31+G**
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' 3274 2961 39.82      
2 A' 3269 2956 55.66      
3 A' 3215 2907 3.09      
4 A' 3195 2889 21.64      
5 A' 2590 2342 19.68      
6 A' 1632 1476 10.09      
7 A' 1623 1468 7.23      
8 A' 1559 1409 3.41      
9 A' 1474 1333 9.94      
10 A' 1295 1171 3.19      
11 A' 1225 1108 6.19      
12 A' 988 893 0.38      
13 A' 812 734 3.33      
14 A' 600 542 1.60      
15 A' 379 343 0.44      
16 A' 311 281 1.76      
17 A' 242 219 2.53      
18 A" 3271 2958 20.71      
19 A" 3262 2950 0.39      
20 A" 3191 2885 25.67      
21 A" 1612 1457 3.41      
22 A" 1610 1456 0.21      
23 A" 1537 1390 2.59      
24 A" 1449 1310 0.20      
25 A" 1223 1106 1.92      
26 A" 1045 945 0.24      
27 A" 1016 919 1.19      
28 A" 628 567 0.00      
29 A" 243 219 0.02      
30 A" 210 190 6.17      

Unscaled Zero Point Vibrational Energy (zpe) 23989.0 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 21690.9 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/6-31+G**
ABC
0.26530 0.13293 0.09696

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.394 -2.167 0.000
C2 0.029 -1.091 0.000
C3 -0.438 0.313 0.000
C4 0.029 1.026 1.275
C5 0.029 1.026 -1.275
H6 -1.523 0.268 0.000
H7 -0.359 2.039 1.287
H8 -0.323 0.515 2.164
H9 1.112 1.075 1.316
H10 -0.359 2.039 -1.287
H11 -0.323 0.515 -2.164
H12 1.112 1.075 -1.316

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.13652.61613.45803.45803.09894.46273.51943.57184.46273.51943.5718
C21.13651.47962.47162.47162.06263.40632.71702.75593.40632.71702.7559
C32.61611.47961.53411.53411.08572.15432.17592.17132.15432.17592.1713
C43.45802.47161.53412.55062.14721.08471.08381.08462.78233.49452.8087
C53.45802.47161.53412.55062.14722.78233.49452.80871.08471.08381.0846
H63.09892.06261.08572.14722.14722.47932.48633.05372.47932.48633.0537
H74.46273.40632.15431.08472.78232.47931.75891.75932.57373.77233.1414
H83.51942.71702.17591.08383.49452.48631.75891.75813.77234.32703.8051
H93.57182.75592.17131.08462.80873.05371.75931.75813.14143.80512.6318
H104.46273.40632.15432.78231.08472.47932.57373.77233.14141.75891.7593
H113.51942.71702.17593.49451.08382.48633.77234.32703.80511.75891.7581
H123.57182.75592.17132.80871.08463.05373.14143.80512.63181.75931.7581

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 179.668 C2 C3 C4 110.182
C2 C3 C5 110.182 C2 C3 H6 106.011
C3 C4 H7 109.500 C3 C4 H8 111.278
C3 C4 H9 110.853 C3 C5 H10 109.500
C3 C5 H11 111.278 C3 C5 H12 110.853
C4 C3 C5 112.468 C4 C3 H6 108.886
C5 C3 H6 108.886 H7 C4 H8 108.408
H7 C4 H9 108.379 H8 C4 H9 108.342
H10 C5 H11 108.408 H10 C5 H12 108.379
H11 C5 H12 108.342
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.456      
2 C 0.067      
3 C 0.230      
4 C -0.447      
5 C -0.447      
6 H 0.180      
7 H 0.140      
8 H 0.150      
9 H 0.147      
10 H 0.140      
11 H 0.150      
12 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.255 4.211 0.000 4.394
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.111 1.868 0.000
y 1.868 -40.626 0.000
z 0.000 0.000 -30.610
Traceless
 xyz
x 4.507 1.868 0.000
y 1.868 -9.766 0.000
z 0.000 0.000 5.259
Polar
3z2-r210.517
x2-y29.515
xy1.868
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.926 -0.597 0.000
y -0.597 8.342 0.000
z 0.000 0.000 6.452


<r2> (average value of r2) Å2
<r2> 128.945
(<r2>)1/2 11.355