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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-248.543591
Energy at 298.15K-248.551996
HF Energy-248.543591
Nuclear repulsion energy181.481012
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 TPSSh/6-31G(2df,p)
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' 3154 3044 1.60      
2 A' 3112 3003 18.93      
3 A' 3014 2909 60.54      
4 A' 3006 2901 48.26      
5 A' 2930 2827 99.71      
6 A' 1783 1720 379.40      
7 A' 1550 1496 12.62      
8 A' 1515 1462 14.14      
9 A' 1471 1419 6.78      
10 A' 1434 1384 7.58      
11 A' 1431 1381 21.96      
12 A' 1413 1364 67.81      
13 A' 1282 1237 35.33      
14 A' 1100 1061 107.78      
15 A' 1081 1043 2.47      
16 A' 872 841 1.58      
17 A' 656 633 7.30      
18 A' 375 362 1.57      
19 A' 315 304 12.15      
20 A" 3066 2959 20.20      
21 A" 3058 2951 52.81      
22 A" 1510 1457 10.45      
23 A" 1487 1435 2.91      
24 A" 1180 1139 2.85      
25 A" 1132 1093 0.07      
26 A" 1017 981 0.06      
27 A" 341 329 13.39      
28 A" 227 219 1.32      
29 A" 184 177 0.21      
30 A" 138 133 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 22416.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 21631.7 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 TPSSh/6-31G(2df,p)
ABC
0.29740 0.13984 0.09867

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.700 -0.824 0.000
O2 0.215 -1.939 0.000
N3 0.000 0.346 0.000
C4 -1.454 0.333 0.000
C5 0.659 1.634 0.000
H6 1.794 -0.640 0.000
H7 -1.766 -0.711 0.000
H8 -1.849 0.834 0.892
H9 -1.849 0.834 -0.892
H10 1.741 1.481 0.000
H11 0.389 2.219 -0.889
H12 0.389 2.219 0.889

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.21551.36342.44522.45821.10932.46853.16913.16912.52903.18553.1855
O21.21552.29512.81973.60012.04442.33133.57063.57063.74454.25544.2554
N31.36342.29511.45401.44652.04652.05802.11012.11012.07802.10942.1094
C42.44522.81971.45402.48083.39021.08981.09641.09643.39462.78232.7823
C52.45823.60011.44652.48082.54073.37292.77912.77911.09281.09811.0981
H61.10932.04442.04653.39022.54073.56044.02954.02952.12083.30673.3067
H72.46852.33132.05801.08983.37293.56041.78591.78594.13533.74393.7439
H83.16913.57062.11011.09642.77914.02951.78591.78323.75503.17732.6315
H93.16913.57062.11011.09642.77914.02951.78591.78323.75502.63153.1773
H102.52903.74452.07803.39461.09282.12084.13533.75503.75501.77861.7786
H113.18554.25542.10942.78231.09813.30673.74393.17732.63151.77861.7780
H123.18554.25542.10942.78231.09813.30673.74392.63153.17731.77861.7780

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 120.392 C1 N3 C5 122.022
O2 C1 N3 125.629 O2 C1 H6 123.071
N3 C1 H6 111.301 N3 C4 H7 107.134
N3 C4 H8 110.882 N3 C4 H9 110.882
N3 C5 H10 109.044 N3 C5 H11 111.254
N3 C5 H12 111.254 C4 N3 C5 117.586
H7 C4 H8 109.550 H7 C4 H9 109.550
H8 C4 H9 108.821 H10 C5 H11 108.548
H10 C5 H12 108.548 H11 C5 H12 108.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability