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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-285.713496
Energy at 298.15K-285.721313
HF Energy-284.829348
Nuclear repulsion energy215.705267
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/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' 3174 3004 19.47      
2 A' 3092 2926 11.96      
3 A' 3038 2875 38.13      
4 A' 3028 2866 23.85      
5 A' 2393 2265 1.87      
6 A' 1587 1502 2.33      
7 A' 1561 1477 3.11      
8 A' 1552 1469 4.29      
9 A' 1498 1418 10.38      
10 A' 1460 1381 17.35      
11 A' 1425 1349 66.77      
12 A' 1214 1149 172.87      
13 A' 1189 1126 20.39      
14 A' 1090 1032 16.79      
15 A' 984 931 11.91      
16 A' 931 882 3.59      
17 A' 559 529 1.04      
18 A' 433 410 1.14      
19 A' 303 287 2.43      
20 A' 134 127 3.31      
21 A" 3184 3013 19.49      
22 A" 3074 2910 10.92      
23 A" 3067 2903 60.46      
24 A" 1537 1455 5.63      
25 A" 1333 1262 2.00      
26 A" 1291 1222 3.19      
27 A" 1225 1160 7.09      
28 A" 1067 1009 1.80      
29 A" 848 803 0.43      
30 A" 361 342 2.06      
31 A" 262 248 0.47      
32 A" 112 106 7.28      
33 A" 77 73 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 24041.0 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 22754.8 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/6-31G*
ABC
0.51178 0.04991 0.04668

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.927 2.543 0.000
C2 -1.240 1.061 0.000
O3 0.000 0.357 0.000
C4 -0.194 -1.038 0.000
C5 1.129 -1.691 0.000
N6 2.156 -2.239 0.000
H7 -1.853 3.128 0.000
H8 -0.344 2.806 0.888
H9 -0.344 2.806 -0.888
H10 -1.828 0.781 -0.890
H11 -1.828 0.781 0.890
H12 -0.752 -1.371 -0.890
H13 -0.752 -1.371 0.890

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51542.37403.65504.70675.68941.09601.09461.09462.17012.17014.01784.0178
C21.51541.42582.34483.63114.73502.15682.15402.15401.10251.10252.63502.6350
O32.37401.42581.40842.33893.37463.33372.62752.62752.07702.07702.08432.0843
C43.65502.34481.40841.47542.63864.48453.94793.94792.60232.60231.10211.1021
C54.70673.63112.33891.47541.16355.66754.81474.81473.95603.95602.10542.1054
N65.68944.73503.37462.63861.16356.69935.70015.70015.07795.07793.16193.1619
H71.09602.15683.33374.48455.66756.69931.78091.78092.51042.51044.71704.7170
H81.09462.15402.62753.94794.81475.70011.78091.77693.07672.51064.55824.1969
H91.09462.15402.62753.94794.81475.70011.78091.77692.51063.07674.19694.5582
H102.17011.10252.07702.60233.95605.07792.51043.07672.51061.77982.40642.9931
H112.17011.10252.07702.60233.95605.07792.51042.51063.07671.77982.99312.4064
H124.01782.63502.08431.10212.10543.16194.71704.55824.19692.40642.99311.7798
H134.01782.63502.08431.10212.10543.16194.71704.19694.55822.99312.40641.7798

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.599 C1 C2 H10 110.992
C1 C2 H11 110.992 C2 C1 H7 110.329
C2 C1 H8 110.197 C2 C1 H9 110.197
C2 O3 C4 111.644 O3 C2 H10 109.813
O3 C2 H11 109.813 O3 C4 C5 108.370
O3 C4 H12 111.670 O3 C4 H13 111.670
C4 C5 N6 178.150 C5 C4 H12 108.676
C5 C4 H13 108.676 H7 C1 H8 108.774
H7 C1 H9 108.774 H8 C1 H9 108.524
H10 C2 H11 107.638 H12 C4 H13 107.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability