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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

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-209.340328
Energy at 298.15K-209.347742
HF Energy-208.827169
Nuclear repulsion energy152.471713
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' 3108 3022 24.68      
2 A' 3059 2974 18.26      
3 A' 3048 2963 1.18      
4 A' 3036 2952 14.82      
5 A' 2321 2257 0.15      
6 A' 1584 1541 6.80      
7 A' 1573 1529 2.47      
8 A' 1557 1514 3.71      
9 A' 1483 1442 4.42      
10 A' 1425 1385 1.74      
11 A' 1368 1330 0.40      
12 A' 1142 1111 4.52      
13 A' 1027 999 0.01      
14 A' 941 915 2.53      
15 A' 883 859 2.66      
16 A' 551 536 1.43      
17 A' 361 351 0.10      
18 A' 183 178 4.21      
19 A" 3113 3027 42.28      
20 A" 3092 3006 0.78      
21 A" 3078 2993 0.65      
22 A" 1582 1538 8.29      
23 A" 1381 1343 0.01      
24 A" 1325 1289 0.00      
25 A" 1192 1159 0.10      
26 A" 924 899 0.36      
27 A" 765 744 4.12      
28 A" 433 421 0.00      
29 A" 243 237 0.02      
30 A" 104 101 3.27      

Unscaled Zero Point Vibrational Energy (zpe) 22941.2 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 22305.7 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
0.78058 0.07376 0.07007

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 -2.635 0.382 0.000
C2 -1.471 0.503 0.000
C3 0.000 0.642 0.000
C4 0.722 -0.742 0.000
C5 2.264 -0.560 0.000
H6 0.306 1.215 0.888
H7 0.306 1.215 -0.888
H8 0.408 -1.309 0.888
H9 0.408 -1.309 -0.888
H10 2.767 -1.536 0.000
H11 2.585 -0.003 0.892
H12 2.585 -0.003 -0.892

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17032.64833.54014.98863.18353.18353.59303.59305.73255.31035.3103
C21.17031.47802.52163.88312.11062.11062.75742.75744.70304.18434.1843
C32.64831.47801.56062.56271.10041.10042.18182.18183.52122.80992.8099
C43.54012.52161.56061.55262.18872.18871.09901.09902.19392.19402.1940
C54.98863.88312.56271.55262.78762.78762.18882.18881.09841.09951.0995
H63.18352.11061.10042.18872.78761.77692.52563.08763.79642.58453.1384
H73.18352.11061.10042.18872.78761.77693.08762.52563.79643.13842.5845
H83.59302.75742.18181.09902.18882.52563.08761.77542.53022.53833.1001
H93.59302.75742.18181.09902.18883.08762.52561.77542.53023.10012.5383
H105.73254.70303.52122.19391.09843.79643.79642.53022.53021.78271.7827
H115.31034.18432.80992.19401.09952.58453.13842.53833.10011.78271.7841
H125.31034.18432.80992.19401.09953.13842.58453.10012.53831.78271.7841

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.462 C2 C3 C4 112.139
C2 C3 H6 109.007 C2 C3 H7 109.007
C3 C4 C5 110.811 C3 C4 H8 109.004
C3 C4 H9 109.004 C4 C3 H6 109.453
C4 C3 H7 109.453 C4 C5 H10 110.536
C4 C5 H11 110.481 C4 C5 H12 110.481
C5 C4 H8 110.100 C5 C4 H9 110.100
H6 C3 H7 107.676 H8 C4 H9 107.755
H10 C5 H11 108.408 H10 C5 H12 108.408
H11 C5 H12 108.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability