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

using model chemistry: CCSD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/aug-cc-pVDZ
 hartrees
Energy at 0K-210.804903
Energy at 298.15K-210.812146
HF Energy-210.018976
Nuclear repulsion energy157.715429
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 CCSD/aug-cc-pVDZ
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' 3137 3022 22.84      
2 A' 3130 3015 41.91      
3 A' 3064 2952 4.64      
4 A' 3047 2936 15.73      
5 A' 2310 2225 1.58      
6 A' 1505 1450 8.50      
7 A' 1495 1440 5.37      
8 A' 1422 1370 2.49      
9 A' 1352 1303 7.78      
10 A' 1199 1155 1.97      
11 A' 1125 1084 3.41      
12 A' 943 908 0.19      
13 A' 773 745 1.07      
14 A' 541 521 0.69      
15 A' 355 342 0.26      
16 A' 286 276 0.92      
17 A' 217 209 2.58      
18 A" 3135 3020 15.62      
19 A" 3125 3010 0.11      
20 A" 3046 2934 16.45      
21 A" 1483 1429 2.67      
22 A" 1483 1429 0.12      
23 A" 1402 1350 2.46      
24 A" 1330 1281 0.47      
25 A" 1148 1106 2.00      
26 A" 979 943 0.29      
27 A" 933 899 1.00      
28 A" 559 539 0.01      
29 A" 224 215 0.01      
30 A" 184 177 4.99      

Unscaled Zero Point Vibrational Energy (zpe) 22464.2 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 21642.0 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 CCSD/aug-cc-pVDZ
ABC
0.26230 0.12949 0.09509

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.417 -2.198 0.000
C2 0.026 -1.094 0.000
C3 -0.449 0.317 0.000
C4 0.026 1.037 1.279
C5 0.026 1.037 -1.279
H6 -1.553 0.275 0.000
H7 -0.366 2.068 1.287
H8 -0.329 0.520 2.185
H9 1.128 1.080 1.310
H10 -0.366 2.068 -1.287
H11 -0.329 0.520 -2.185
H12 1.128 1.080 -1.310

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17152.66003.50113.50113.16184.52483.56623.60154.52483.56623.6015
C21.17151.48862.48562.48562.08953.43662.73922.76733.43662.73922.7673
C32.66001.48861.54291.54291.10462.17522.19752.18772.17522.19752.1877
C43.50112.48561.54292.55802.17021.10301.10191.10312.79283.52012.8143
C53.50112.48561.54292.55802.17022.79283.52012.81431.10301.10191.1031
H63.16182.08951.10462.17022.17022.50672.51623.09052.50672.51623.0905
H74.52483.43662.17521.10302.79282.50671.79061.79072.57363.80153.1546
H83.56622.73922.19751.10193.52012.51621.79061.78913.80154.36953.8277
H93.60152.76732.18771.10312.81433.09051.79071.78913.15463.82772.6206
H104.52483.43662.17522.79281.10302.50672.57363.80153.15461.79061.7907
H113.56622.73922.19753.52011.10192.51623.80154.36953.82771.79061.7891
H123.60152.76732.18772.81431.10313.09053.15463.82772.62061.79071.7891

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 179.101 C2 C3 C4 110.141
C2 C3 C5 110.141 C2 C3 H6 106.427
C3 C4 H7 109.464 C3 C4 H8 111.281
C3 C4 H9 110.439 C3 C5 H10 109.464
C3 C5 H11 111.281 C3 C5 H12 110.439
C4 C3 C5 111.983 C4 C3 H6 108.990
C5 C3 H6 108.990 H7 C4 H8 108.602
H7 C4 H9 108.529 H8 C4 H9 108.461
H10 C5 H11 108.602 H10 C5 H12 108.529
H11 C5 H12 108.461
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability