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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-247.632504
Energy at 298.15K-247.640953
HF Energy-246.990425
Nuclear repulsion energy182.371060
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 CISD/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' 3306 3061 0.71      
2 A' 3257 3016 20.82      
3 A' 3156 2922 48.01      
4 A' 3148 2914 45.12      
5 A' 3128 2896 80.74      
6 A' 1896 1756 501.02      
7 A' 1636 1515 31.25      
8 A' 1603 1484 12.56      
9 A' 1568 1451 7.52      
10 A' 1540 1426 71.70      
11 A' 1529 1415 5.53      
12 A' 1511 1399 73.71      
13 A' 1373 1271 46.96      
14 A' 1166 1080 124.18      
15 A' 1147 1062 3.92      
16 A' 927 859 3.24      
17 A' 694 643 8.73      
18 A' 413 382 1.48      
19 A' 341 316 13.07      
20 A" 3213 2974 18.55      
21 A" 3208 2970 53.65      
22 A" 1595 1477 15.71      
23 A" 1573 1457 3.33      
24 A" 1244 1152 4.31      
25 A" 1194 1106 0.00      
26 A" 1099 1017 2.02      
27 A" 342 316 25.79      
28 A" 237 220 2.21      
29 A" 166 153 0.36      
30 A" 89 82 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23649.8 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 21895.0 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 CISD/6-31G*
ABC
0.30098 0.14082 0.09951

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.697 -0.817 0.000
O2 0.217 -1.929 0.000
N3 0.000 0.343 0.000
C4 -1.446 0.327 0.000
C5 0.655 1.628 0.000
H6 1.782 -0.654 0.000
H7 -1.776 -0.705 0.000
H8 -1.833 0.832 0.885
H9 -1.833 0.832 -0.885
H10 1.733 1.493 0.000
H11 0.379 2.204 -0.884
H12 0.379 2.204 0.884

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.21101.35352.42872.44601.09772.47523.14683.14682.53263.16433.1643
O21.21102.28282.80273.58452.01872.33943.55133.55133.74354.23024.2302
N31.35352.28281.44581.44232.04222.06212.09332.09332.08012.09502.0950
C42.42872.80271.44582.47093.37361.08311.09041.09043.38612.76332.7633
C52.44603.58451.44232.47092.54593.36912.75762.75761.08691.09071.0907
H61.09772.01872.04223.37362.54593.55854.00754.00752.14833.30483.3048
H72.47522.33942.06211.08313.36913.55851.77451.77454.14073.72663.7266
H83.14683.55132.09331.09042.75764.00751.77451.77083.73313.14732.6026
H93.14683.55132.09331.09042.75764.00751.77451.77083.73312.60263.1473
H102.53263.74352.08013.38611.08692.14834.14073.73313.73311.76661.7666
H113.16434.23022.09502.76331.09073.30483.72663.14732.60261.76661.7686
H123.16434.23022.09502.76331.09073.30483.72662.60263.14731.76661.7686

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 120.330 C1 N3 C5 122.033
O2 C1 N3 125.698 O2 C1 H6 121.870
N3 C1 H6 112.432 N3 C4 H7 108.404
N3 C4 H8 110.465 N3 C4 H9 110.465
N3 C5 H10 109.862 N3 C5 H11 110.838
N3 C5 H12 110.838 C4 N3 C5 117.637
H7 C4 H8 109.457 H7 C4 H9 109.457
H8 C4 H9 108.578 H10 C5 H11 108.441
H10 C5 H12 108.441 H11 C5 H12 108.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability