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

using model chemistry: MP4/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-210.876050
Energy at 298.15K-210.883290
HF Energy-210.043612
Nuclear repulsion energy158.128132
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 MP4/6-311G**
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' 3139 3043        
2 A' 3133 3038        
3 A' 3058 2965        
4 A' 3047 2954        
5 A' 2165 2100        
6 A' 1521 1475        
7 A' 1515 1469        
8 A' 1435 1392        
9 A' 1356 1315        
10 A' 1206 1169        
11 A' 1131 1097        
12 A' 942 914        
13 A' 772 748        
14 A' 536 520        
15 A' 352 341        
16 A' 290 281        
17 A' 218 211        
18 A" 3137 3042        
19 A" 3129 3034        
20 A" 3045 2953        
21 A" 1503 1457        
22 A" 1500 1455        
23 A" 1415 1372        
24 A" 1343 1303        
25 A" 1149 1114        
26 A" 984 954        
27 A" 943 915        
28 A" 554 537        
29 A" 226 219        
30 A" 183 178        

Unscaled Zero Point Vibrational Energy (zpe) 22462.8 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 21782.1 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 MP4/6-311G**
ABC
0.26371 0.13016 0.09558

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.420 -2.195 0.000
C2 0.024 -1.087 0.000
C3 -0.449 0.314 0.000
C4 0.024 1.035 1.276
C5 0.024 1.035 -1.276
H6 -1.547 0.275 0.000
H7 -0.361 2.062 1.282
H8 -0.332 0.520 2.176
H9 1.120 1.072 1.307
H10 -0.361 2.062 -1.282
H11 -0.332 0.520 -2.176
H12 1.120 1.072 -1.307

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17652.65483.49503.49503.15814.51343.55903.58704.51343.55903.5870
C21.17651.47832.47592.47592.07993.42122.72772.75093.42122.72772.7509
C32.65481.47831.54031.54031.09952.16922.18832.17792.16922.18832.1779
C43.49502.47591.54032.55272.16251.09701.09581.09682.78333.50832.8063
C53.49502.47591.54032.55272.16252.78333.50832.80631.09701.09581.0968
H63.15812.07991.09952.16252.16252.49822.50403.07542.49822.50403.0754
H74.51343.42122.16921.09702.78332.49821.78281.78192.56323.78563.1425
H83.55902.72772.18831.09583.50832.50401.78281.77983.78564.35103.8132
H93.58702.75092.17791.09682.80633.07541.78191.77983.14253.81322.6138
H104.51343.42122.16922.78331.09702.49822.56323.78563.14251.78281.7819
H113.55902.72772.18833.50831.09582.50403.78564.35103.81321.78281.7798
H123.58702.75092.17792.80631.09683.07543.14253.81322.61381.78191.7798

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 178.989 C2 C3 C4 110.195
C2 C3 C5 110.195 C2 C3 H6 106.656
C3 C4 H7 109.526 C3 C4 H8 111.102
C3 C4 H9 110.216 C3 C5 H10 109.526
C3 C5 H11 111.102 C3 C5 H12 110.216
C4 C3 C5 111.919 C4 C3 H6 108.858
C5 C3 H6 108.858 H7 C4 H8 108.781
H7 C4 H9 108.633 H8 C4 H9 108.530
H10 C5 H11 108.781 H10 C5 H12 108.633
H11 C5 H12 108.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability