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

using model chemistry: CCD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/3-21G
 hartrees
Energy at 0K-209.342549
Energy at 298.15K-209.349985
HF Energy-208.828675
Nuclear repulsion energy157.503193
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 CCD/3-21G
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' 3122 3036 26.36      
2 A' 3117 3031 30.07      
3 A' 3055 2971 3.12      
4 A' 3046 2962 10.79      
5 A' 2315 2251 0.17      
6 A' 1587 1543 12.08      
7 A' 1582 1538 7.07      
8 A' 1490 1449 4.90      
9 A' 1408 1369 2.27      
10 A' 1233 1199 3.56      
11 A' 1183 1150 7.91      
12 A' 925 900 0.23      
13 A' 763 742 0.54      
14 A' 575 559 1.47      
15 A' 369 359 0.20      
16 A' 302 293 0.83      
17 A' 238 232 1.01      
18 A" 3119 3032 12.48      
19 A" 3113 3026 1.54      
20 A" 3044 2959 13.66      
21 A" 1571 1528 3.80      
22 A" 1570 1526 0.11      
23 A" 1472 1431 6.41      
24 A" 1375 1337 0.11      
25 A" 1146 1114 3.21      
26 A" 998 970 1.20      
27 A" 975 948 1.59      
28 A" 600 583 0.36      
29 A" 243 237 0.03      
30 A" 212 207 2.97      

Unscaled Zero Point Vibrational Energy (zpe) 22873.2 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 22239.7 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 CCD/3-21G
ABC
0.26084 0.12910 0.09482

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.152 -2.233 0.000
C2 -0.104 -1.091 0.000
C3 -0.418 0.357 0.000
C4 0.152 1.032 1.284
C5 0.152 1.032 -1.284
H6 -1.514 0.462 0.000
H7 -0.112 2.098 1.283
H8 -0.259 0.563 2.187
H9 1.246 0.937 1.299
H10 -0.112 2.098 -1.283
H11 -0.259 0.563 -2.187
H12 1.246 0.937 -1.299

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17092.65263.50843.50843.16914.52493.57413.59684.52493.57413.5968
C21.17091.48172.49402.49402.09753.43722.74672.76143.43722.74672.7614
C32.65261.48171.55841.55841.10092.18372.20282.18962.18372.20282.1896
C43.50842.49401.55842.56772.17921.09861.09771.09812.79173.52672.8067
C53.50842.49401.55842.56772.17922.79173.52672.80671.09861.09771.0981
H63.16912.09751.10092.17922.17922.50682.52383.08742.50682.52383.0874
H74.52493.43722.18371.09862.79172.50681.78751.78722.56533.79703.1400
H83.57412.74672.20281.09773.52672.52381.78751.78733.79704.37473.8159
H93.59682.76142.18961.09812.80673.08741.78721.78733.14003.81592.5983
H104.52493.43722.18372.79171.09862.50682.56533.79703.14001.78751.7872
H113.57412.74672.20283.52671.09772.52383.79704.37473.81591.78751.7873
H123.59682.76142.18962.80671.09813.08743.14003.81592.59831.78721.7873

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 179.554 C2 C3 C4 110.214
C2 C3 C5 110.214 C2 C3 H6 107.704
C3 C4 H7 109.324 C3 C4 H8 110.866
C3 C4 H9 109.808 C3 C5 H10 109.324
C3 C5 H11 110.866 C3 C5 H12 109.808
C4 C3 C5 110.939 C4 C3 H6 108.844
C5 C3 H6 108.844 H7 C4 H8 108.951
H7 C4 H9 108.889 H8 C4 H9 108.968
H10 C5 H11 108.951 H10 C5 H12 108.889
H11 C5 H12 108.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability