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All results from a given calculation for NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

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 C2 1A
Energy calculated at CCD/3-21G*
 hartrees
Energy at 0K-300.992443
Energy at 298.15K-301.002185
HF Energy-300.360922
Nuclear repulsion energy245.659861
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 3611 3454 24.39      
2 A 3149 3012 1.54      
3 A 3068 2934 0.00      
4 A 3025 2894 1.66      
5 A 1752 1676 160.64      
6 A 1604 1534 30.58      
7 A 1592 1522 0.00      
8 A 1543 1476 24.38      
9 A 1486 1422 54.70      
10 A 1212 1159 6.34      
11 A 1183 1131 0.00      
12 A 1181 1129 1.17      
13 A 929 889 7.67      
14 A 507 485 2.07      
15 A 246 235 0.85      
16 A 214 205 0.00      
17 A 170 162 0.00      
18 A 33 32 0.00      
19 B 3603 3446 7.12      
20 B 3149 3012 0.05      
21 B 3068 2935 97.12      
22 B 3024 2893 115.09      
23 B 1618 1547 102.50      
24 B 1592 1523 11.55      
25 B 1561 1493 309.33      
26 B 1497 1432 7.17      
27 B 1265 1210 367.87      
28 B 1190 1138 3.51      
29 B 1183 1132 49.31      
30 B 1033 988 1.82      
31 B 768 735 40.90      
32 B 721 690 7.09      
33 B 480 459 334.12      
34 B 385 368 35.98      
35 B 138 132 7.19      
36 B 104 99 13.62      

Unscaled Zero Point Vibrational Energy (zpe) 26441.2 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 25291.0 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 CCD/3-21G*
ABC
0.32104 0.07058 0.05917

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.093
O2 0.000 0.000 1.340
N3 0.000 1.163 -0.661
N4 0.000 -1.163 -0.661
C5 0.000 2.475 0.011
C6 -0.000 -2.475 0.011
H7 0.001 1.126 -1.672
H8 -0.001 -1.126 -1.672
H9 0.896 3.059 -0.245
H10 -0.896 -3.059 -0.245
H11 -0.001 2.266 1.085
H12 0.001 -2.266 1.085
H13 -0.896 3.060 -0.246
H14 0.896 -3.060 -0.246

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.24691.38661.38662.47682.47682.09342.09343.20573.20572.47382.47383.20613.2061
O21.24692.31492.31492.80982.80983.21543.21543.56033.56032.28062.28063.56113.5611
N31.38662.31492.32691.47403.70031.01152.50222.13784.33672.06533.84862.13774.3369
N41.38662.31492.32693.70031.47402.50221.01154.33672.13783.84862.06534.33692.1377
C52.47682.80981.47403.70034.95082.15723.97471.09995.61261.09454.86191.09995.6130
C62.47682.80983.70031.47404.95083.97472.15725.61261.09994.86191.09455.61301.0999
H72.09343.21541.01152.50222.15723.97472.25112.56434.51132.98364.37092.56454.5109
H82.09343.21542.50221.01153.97472.15722.25114.51132.56434.37092.98364.51092.5645
H93.20573.56032.13784.33671.09995.61262.56434.51136.37561.78985.56171.79196.1189
H103.20573.56034.33672.13785.61261.09994.51132.56436.37565.56171.78986.11891.7919
H112.47382.28062.06533.84861.09454.86192.98364.37091.78985.56174.53251.78985.5626
H122.47382.28063.84862.06534.86191.09454.37092.98365.56171.78984.53255.56261.7898
H133.20613.56112.13774.33691.09995.61302.56454.51091.79196.11891.78985.56266.3762
H143.20613.56114.33692.13775.61301.09994.51092.56456.11891.79195.56261.78986.3762

picture of Urea, N,N'-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C5 119.926 C1 N3 H7 120.810
C1 N4 C6 119.926 C1 N4 H8 120.810
O2 C1 N3 122.958 O2 C1 N4 122.958
N3 C1 N4 114.084 N3 C5 H9 111.489
N3 C5 H11 106.101 N3 C5 H13 111.485
N4 C6 H10 111.489 N4 C6 H12 106.101
N4 C6 H14 111.485 C5 N3 H7 119.265
C6 N4 H8 119.265 H9 C5 H11 109.300
H9 C5 H13 109.092 H10 C6 H12 109.300
H10 C6 H14 109.092 H11 C5 H13 109.303
H12 C6 H14 109.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability