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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-210.727740
Energy at 298.15K-210.735053
HF Energy-210.003498
Nuclear repulsion energy158.767230
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 MP2/6-31G**
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' 3240 3035 17.61      
2 A' 3235 3029 31.10      
3 A' 3139 2940 7.68      
4 A' 3134 2935 10.33      
5 A' 2207 2067 0.51      
6 A' 1568 1469 8.70      
7 A' 1560 1461 6.02      
8 A' 1474 1380 2.45      
9 A' 1391 1303 5.85      
10 A' 1235 1157 1.71      
11 A' 1158 1084 3.62      
12 A' 968 906 0.68      
13 A' 793 742 0.49      
14 A' 548 513 0.87      
15 A' 361 338 0.19      
16 A' 299 280 0.55      
17 A' 220 206 2.49      
18 A" 3239 3034 11.40      
19 A" 3231 3026 0.23      
20 A" 3133 2934 13.86      
21 A" 1549 1450 2.53      
22 A" 1546 1448 0.57      
23 A" 1452 1360 2.58      
24 A" 1373 1286 0.49      
25 A" 1176 1101 1.73      
26 A" 1008 944 0.31      
27 A" 965 904 1.63      
28 A" 561 525 0.08      
29 A" 243 228 0.01      
30 A" 182 171 4.35      

Unscaled Zero Point Vibrational Energy (zpe) 23092.8 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 21626.4 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 MP2/6-31G**
ABC
0.26705 0.13079 0.09619

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.415 -2.194 0.000
C2 0.025 -1.079 0.000
C3 -0.444 0.314 0.000
C4 0.025 1.032 1.269
C5 0.025 1.032 -1.269
H6 -1.536 0.278 0.000
H7 -0.361 2.051 1.276
H8 -0.326 0.520 2.163
H9 1.112 1.074 1.300
H10 -0.361 2.051 -1.276
H11 -0.326 0.520 -2.163
H12 1.112 1.074 -1.300

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.18132.65103.48883.48883.14974.50003.54913.58604.50003.54913.5860
C21.18131.46972.46322.46322.06873.40202.71292.74043.40202.71292.7404
C32.65101.46971.53121.53121.09322.15672.17582.16522.15672.17582.1652
C43.48882.46321.53122.53742.14791.08921.08811.08912.76823.48702.7895
C53.48882.46321.53122.53742.14792.76823.48702.78951.08921.08811.0891
H63.14972.06871.09322.14792.14792.47982.49013.05572.47982.49013.0557
H74.50003.40202.15671.08922.76822.47981.76871.76802.55243.76423.1241
H83.54912.71292.17581.08813.48702.49011.76871.76653.76424.32553.7899
H93.58602.74042.16521.08912.78953.05571.76801.76653.12413.78992.5992
H104.50003.40202.15672.76821.08922.47982.55243.76423.12411.76871.7680
H113.54912.71292.17583.48701.08812.49013.76424.32553.78991.76871.7665
H123.58602.74042.16522.78951.08913.05573.12413.78992.59921.76801.7665

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 179.297 C2 C3 C4 110.317
C2 C3 C5 110.317 C2 C3 H6 106.718
C3 C4 H7 109.632 C3 C4 H8 111.210
C3 C4 H9 110.309 C3 C5 H10 109.632
C3 C5 H11 111.210 C3 C5 H12 110.309
C4 C3 C5 111.903 C4 C3 H6 108.711
C5 C3 H6 108.711 H7 C4 H8 108.650
H7 C4 H9 108.515 H8 C4 H9 108.461
H10 C5 H11 108.650 H10 C5 H12 108.515
H11 C5 H12 108.461
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability