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

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-210.751867
Energy at 298.15K-210.759201
HF Energy-210.003788
Nuclear repulsion energy158.961068
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 MP2=FULL/6-31G**
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' 3244 3031 17.29      
2 A' 3239 3026 30.53      
3 A' 3142 2936 7.48      
4 A' 3137 2931 10.32      
5 A' 2215 2070 0.42      
6 A' 1571 1468 8.91      
7 A' 1562 1460 6.17      
8 A' 1476 1379 2.58      
9 A' 1394 1302 5.72      
10 A' 1237 1156 1.73      
11 A' 1160 1084 3.66      
12 A' 970 906 0.73      
13 A' 795 743 0.46      
14 A' 551 515 0.89      
15 A' 362 339 0.19      
16 A' 300 281 0.58      
17 A' 223 208 2.47      
18 A" 3243 3030 11.20      
19 A" 3236 3023 0.23      
20 A" 3136 2930 13.75      
21 A" 1551 1449 2.61      
22 A" 1549 1447 0.58      
23 A" 1454 1359 2.77      
24 A" 1374 1284 0.44      
25 A" 1177 1100 1.71      
26 A" 1010 943 0.32      
27 A" 967 903 1.69      
28 A" 565 528 0.06      
29 A" 244 228 0.01      
30 A" 185 173 4.37      

Unscaled Zero Point Vibrational Energy (zpe) 23133.1 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 21615.6 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 MP2=FULL/6-31G**
ABC
0.26770 0.13113 0.09644

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.414 -2.192 0.000
C2 0.025 -1.078 0.000
C3 -0.443 0.313 0.000
C4 0.025 1.031 1.267
C5 0.025 1.031 -1.267
H6 -1.535 0.278 0.000
H7 -0.361 2.048 1.275
H8 -0.325 0.520 2.161
H9 1.111 1.073 1.297
H10 -0.361 2.048 -1.275
H11 -0.325 0.520 -2.161
H12 1.111 1.073 -1.297

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.18002.64733.48433.48433.14554.49463.54483.58164.49463.54483.5816
C21.18001.46742.45972.45972.06623.39772.70972.73673.39772.70972.7367
C32.64731.46741.52951.52951.09212.15462.17372.16282.15462.17372.1628
C43.48432.45971.52952.53402.14581.08811.08701.08792.76493.48302.7855
C53.48432.45971.52952.53402.14582.76493.48302.78551.08811.08701.0879
H63.14552.06621.09212.14582.14582.47762.48813.05262.47762.48813.0526
H74.49463.39772.15461.08812.76492.47761.76681.76602.54973.76023.1200
H83.54482.70972.17371.08703.48302.48811.76681.76463.76024.32123.7850
H93.58162.73672.16281.08792.78553.05261.76601.76463.12003.78502.5949
H104.49463.39772.15462.76491.08812.47762.54973.76023.12001.76681.7660
H113.54482.70972.17373.48301.08702.48813.76024.32123.78501.76681.7646
H123.58162.73672.16282.78551.08793.05263.12003.78502.59491.76601.7646

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 179.354 C2 C3 C4 110.307
C2 C3 C5 110.307 C2 C3 H6 106.740
C3 C4 H7 109.651 C3 C4 H8 111.231
C3 C4 H9 110.307 C3 C5 H10 109.651
C3 C5 H11 111.231 C3 C5 H12 110.307
C4 C3 C5 111.870 C4 C3 H6 108.727
C5 C3 H6 108.727 H7 C4 H8 108.641
H7 C4 H9 108.498 H8 C4 H9 108.449
H10 C5 H11 108.641 H10 C5 H12 108.498
H11 C5 H12 108.449
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability